MARCH 3 2025.
MARCH 2025. These graduate students completed his program with a high cumulative grade point
average, which reflects the quality of performance within their respective major.
Congratulations!
Call for Papers
This Conference will be hosted
2–4 July 2025 by University of
Málaga, Málaga, Spain.
Call for Papers
This Conference will be
hosted 22–24 October 2025 by
Linköping University,
Norrköping, Sweden.
We invite proposals for paper
presentations, workshops/
interactive sessions, posters/
exhibits, colloquia, focused
discussions, innovation showcases,
virtual posters, or virtual
lightning talks.
| Kelvin George Sakateti Doctor of Philosop hy Finance Angola |
Silvia Milagro Alvarez Doctor of Education Education Argentina |
Gatkuoth Simon Duol Kueth Doctor of Education Education Australia |
Weslley Guedes Silva Doctor of Music Musical Performance Brazil |
Larissa Pim Ferreira Cremaschi Master of Behavioral Science ABA in the Literacy of Autistic Children Brazil |
Errol Glenrock Montgomery Rollox Master of Science Mechanical Engineering Canada |
| Mamadou Djibrine Bachelor of Business Administration Business Administration Chad |
Cristian Patricio Keupuchur Espinoza Doctor of Philosop hy Education Chile |
Rodrigo Andrés Quezada Guzmán Doctor of Philosop hy Psychology in Education Chile |
Maria Eugenia Ballestas Camargo Doctor of Science Nutrition, Biochemistry and Molecular Biology Colombia |
Manuel Emilio Palacios Blandon Doctor of Business and Economics Economics Colombia |
Mario Pedraza Giraldo Master of Legal Studies International Relations Colombia |
| Mario Pedraza Giraldo Bachelor of Legal Studies Juridical Sciences Colombia |
Altagracia Almonte Almonte Doctor of Education Education Dominican Republic |
Eridania Méndez Céspedes Doctor of Science Agronomy Greenhouse Management Dominican Republic |
Samira Isabel De la Cruz Matos Doctor of Science Plant Biotechn |
Elias Jair Zamora Machuca Bachelor of Science Animal Husbandry Ecuador |
Erick de Jesús Cruz Castro Post-Doctor of Philosop hy Philosophy El Salvador |
| Kingsley Darko Mantey Doctor of Management Procurement and Supply Chain Mgmt. Ghana |
Gloria Korang Baafi Bachelor of Science Human Resources Management Ghana |
Guillermo Rodrigo Cáceres Barillas Doctor of Science Int. Mgmt. of Solids and Water Resources Guatemala |
Mamadou Saidou Diallo Doctor of Business Administration Business Administration Guinea |
Telford Layne Jr. Master of Science Developmental Psychology Guyana |
Riclès Thomas Doctor of Business Administration Project Management Haiti |
| Janet Elizabeth McBean Master of Education Guidance and Counseling Jamaica |
Latoya Tania C. Marshall-Brown Doctor of Education Educational Leadership and Administration Jamaica |
Jarso Guyo Mokku Doctor of Philosop hy Project Management Kenya |
Bhojraj Sobha Doctor of Education Education Mauritius |
Gilberto Jarvio Cervantes Doctor of Science Mechanical Engineering Mexico |
Marco Antonio Lara Murillo Doctor of Science Civil Engineering Mexico |
| Mohammed Abdullahi Saidu Doctor of Philosop hy Global Management Nigeria |
Nasser Said Salim Al Dhawi Doctor of Science Sociology Oman |
Abel Higinio Moscol Broncano Doctor of Civil Engineering Structures Peru |
Reina Esther Santiago Maldonado Doctor of Legal Studies Legal Studies Puerto Rico |
Bârdan Marius - Vasile Post-Doctor of Science Science Physics, Chemistry and Biology Roumania |
Zamzam Mohammed Hersi Bachelor of Communication Business Management Somalia |
| Rebecca Young Darko Master of Science Public Health Switzerland |
Ali Karakus Bachelor of Science Quantum Engineering Türkiye |
Mutebi Edrine Doctor of Philosop hy International Trade and Shipping Economics Uganda |
Lony Titus Okello Doctor of Science International Public Health Uganda |
Valeri Oben Doctor of Philosop hy Epidemiology USA |
L. Robert Knowles Master of Science Social Psychology USA |
| Christine Musaidizi Mutengwayire Doctor of Science Conflict Resolution and Peace Building USA |
Marc T. Wilson Bachelor of Arts Culinary Arts USA |
Khilsys Francina Garcia Galan Bachelor of Science Architecture USA |
Gervais Emgbang Doctor of Philosop hy Civil Engineering USA |
Melvin Robert Harris Doctor of Philosop hy Public Health USA |
Jael V Noguera Perez Doctor of Science Psychology USA |
| Kelvin Nsemu Bachelor of Science Logistics and Supply Chain Management Zambia |
John Lungu Bachelor of Science Mining Engineering Zambia |
Anele Ncube
Mohammad Hamidullah Sheikh
Erudit Nsakwameso Mansiangi
Heather Ciweku Onoh
We are facing a world that
asks us: where are we
going? What do we have to do
for a satisfactory life?
A satisfactory life occurs
when we say we have an activity
through which I can: Have
an income that allows me to
buy my food, buy a decent
home, go to the school or
university that I like, feed my
children if I have a family, feed
the people who are dependent
on me, go to the health
institutions that the State has
created, whose origins are
always from the taxes that the
government charges me.
Now we are experiencing a
wave that is unknown to many:
governments and governments
that say they are going to do
things and in practice what we
experience seems to be a lack.
Do we ask ourselves what we
must do?
Those who have some formal
education, those who have gone
to a few years of school read
here and there about Artificial
Intelligence. Ah! what, with
that, miracles are done.
We are also immersed in a
society that hates speech here,
hate speech there and to this
we must add misinformation.
We say to ourselves, “Good
God! where should we run?”
The first thing, no matter
what happens, is that we have
to study because despite the
promises we see from many governments in which their
officials have chosen a form of
leadership and a discourse that
was not possible before because
the group of those people
showed us that they had studies,
nowadays it seems that
they came from everywhere
except a university.
It is sad to say it, but it
seems that many of them are
the merchants who sell in the
public square.
Before, they showed us with
their behavior and language
that they were highly educated
people; it was a competition
of who had studied at the best
university in the world.
Nowadays we hear from
many rulers that the competition
seems to be: who has the
most vulgar language or who
has the most hate speech and
who knows the least because
they say half-truths.
They say that Science is
useless, that they are the ones
who know, that Nobel Prizes
are worthless.
The big question we must
ask ourselves is:
What is the product of
Artificial Intelligence? What is
the product of Nuclear Physics?
What is the product of
the increase in the life limit of human beings? What is the
product of navigation? What
is the product of the medical
program for couples who want
children and is conception a
problem? What is the product
of the cultivation of agriculture
in arid lands? What is the
product of vaccines to prevent
diseases?
Wherever we turn, we have
the results of science. Perhaps
many have not had the opportunity
to pursue university
studies, but nowadays we have
many of those who govern the
development of science, but
only for what suits them.
What science is. “Scientific
knowledge is proven
knowledge. Scientific theories
are derived, in some rigorous
way, from the facts of experience
acquired through observation
and experimentation.
Science is based on what we
can see, hear, touch, etc. Personal
opinions and preferences
and speculative imaginations
have no place in science”.
(Chalmers, 2023, p. 11).
When we talk about facts
of experience in science, we
refer to what researchers have,
whether physical or mental.
physicals have necessarily
passed through the mind.
When we talk in science
about doing experiments,
many only think of the laboratory;
formal sciences such as
logic and mathematics also do
experiments, only this one is
in the mind.
“Once a scientist has universal
laws and theories at his
disposal, he can draw various
consequences from them that
serve as explanations and predictions.”
(Chalmers, 2003, p. 17).
In science, it’s necessary
to demonstrate and prove to
peers and non-peers.
The demonstration corresponds
to the theoretical part
and the verification or checking
to what the experiment
supposes. In formal sciences,
this experiment is mental.
What is being done in science
now that there is so much
problem? The problem is in the
results, precisely of scientific
work, such as Cybernetics and
Artificial Intelligence.
Politicians are using the
great advance of science to generate their benefits by saying
what science is not or saying
as true what science itself
has already shown can’t be.
The work of science has
always been disseminated, we
have the Solvay Conferences
that are held every three years.
See photo #2. The Conferences
deal with Chemistry and Physics
as a topic. There were 22
Chemistry Conferences and 24
Physics Conferences.
These Conferences were
started by Ernest Solvay, a
Belgian industrial chemist. In
1911 he called the Conference
with the purpose of seeing
why there were two branches
of Physics: classical mechanics
and quantum mechanics.
The next Conference will be on
October 9, 2025.
There are many ways to
spread the word about where
science is at.
The United Nations Organization
–UN– has created World
Science Day. It was celebrated
on November 10, 2024. “Bringing
science closer to society is
essential so that individuals
have the necessary knowledge
and, in this way, can choose
their professional, personal and
political options. In addition, it
serves to attract citizens to the
exciting world of research”. UN.
United Nations. World Science Day for
Peace and Development, November 10,
2024, https://www.un.org/en/observances/
world-science-day If society had more information
about scientific work, we
would have less misinformation.
“In August 2023, the
United Nations General Assembly
proclaimed the period
2024-2033 as the International
Decade of Science for Sustainable
Development (2024-
2033), which was a decisive
step in global efforts to take
advantage of scientific knowledge
for a sustainable future”.
https://www.un.org/en/observances/
world-science-day
It is very discouraging that
science is used to make politics
based on its ultimate results.
The United Nations Educational,
Scientific and Cul- tural Organization (UNESCO)
organizes events for what is
Education.
UNESCO is creating a means
for every human being to learn
about what scientists do. It is
an extraordinary goal to create
wide dissemination of it and
avoid so much misinformation
and hate speech.
“Open science is a set of
principles and practices that
aim to make scientific research
in all fields accessible to everyone
for the benefit of scientists
and society. For example,
scientists and engineers can
use open licenses to share their
publications, data, software
and hardware more widely,
not only among themselves,
but with the rest of society.
Open science is about ensuring
not only access to scientific
knowledge, but also that the
production of that knowledge
is inclusive, equitable and
sustainable”. UNESCO - Introduction
to the UNESCO Recommendation
on Open Science. December 5, 2023.
https://www.unesco.org/es/articles/
introduccion-la-recomendacion-dela-
unesco-sobre-la-ciencia-open
This program, which UNESCO
has launched, will help to disseminate
knowledge better.
Universities have the function
of disseminating science,
but politicians, after leaving
many human beings without education, are now using it for
their own benefit.
We must help to disseminate
scientific knowledge; only in
this way will the wave of misinformation
and hate speech
end. Arguing with these groups
is pointless because they have
no information about what
science does; they rely on the
fact that they are important
and that their word is true.
UNESCO has precise information
about what is happening
because of the limited dissemination
of science: “Approximately
70% of the world's scientific publications are paid or
have limited access. During the
recent health crisis, this percentage
dropped to 30% in the
case of publications dedicated
to COVID-19. This proves that
science can be more transparent
and better used in common
for the benefit of all”. UNESCO -
International cooperation in scientific
research, its rationale, advantages and
examples. May 25, 2022. https://www.
unesco.org/en/scientific-research-cooperation-
why-collaborate-sciencebenefits-
and-examples?hub=348
UNESCO’s information is that:
“Women still represent only a third of the global scientific
community, and the percentage
has stagnated in the last
decade. In some countries,
less than 10% of researchers
are women”. UNESCO - UNESCO
laun ches the Imagine a world with
more women in science campaign.
https://www.unesco.org/en/articles/
unesco-launches-the-imagine-aworld-
with-more-women-in-science-
campaign?hub=348
What is happening with the
low representation of women
in scientific research? “These
disparities have real-world
consequences, such as missed opportunities for innovation,
unaddressed biases and
solutions that don’t meet
everyone’s needs. For example,
artificial intelligence is less effective
at recognizing women’s
voices, reflecting the lack of
diverse contributions during
its development”. UNESCO -
UNESCO laun ches the Imagine a world
with more women in science campaign.
https://www.unesco.org/en/articles/
unesco-launches-the-imagine-aworld-
with-more-women-in-science-
campaign?hub=348
We are already seeing the
reason why we have so much
hate speech and misinformation.
The world has the necessary
scientific development,
but more dissemination is
needed because the smart ones
for money found the loophole
to say what they want.
You are doing your program
at Atlantic International University
-AIU-.
Study because knowledge
will allow you a
quiet life because you
will know how to search
for the truth.
Study so that you have
a job that allows you
a pleasant life by being
able to satisfy your
needs.
Study so that no one
uses you for their purposes.
Knowledge provides
the peace that we all
need.
Our planet earth will
continue to exist as
such, with the fruits that
our organism as human
beings needs.
BIBLIOGRAPHY. Dialnet. La Conferencia Solvay de 1911: un
hito en el desarrollo de la Física. https://dialnet.unirioja.es/servlet/
articulo?codigo=3754157 | Chalmers, Alan. 2023. ¿Qué es esa cosa
llamada ciencia? Una valoración de la naturaleza y el estatuto de
la ciencia y sus métodos. México. Siglo XXI | Naciones Unidas.
ONU. Día Mundial de la Ciencia para la Paz y el Desarrollo, 10 de
noviembre 2024. https://www.un.org/es/observances/world-science-day |
UNESCO- Introducción a la Recomendación de la UNESCO sobre la
Ciencia Abierta. 5 de diciembre 2023. https://www.unesco.org/es/articles/
introduccion-la-recomendacion-de-la-unesco-sobre-la-ciencia-abierta |
UNESCO- La cooperación internacional en la investigación científica,
su razón de ser, ventajas y ejemplos. 25 de mayo 2022. https://
www.unesco.org/es/scientific-research-cooperation-why-collaborate-sciencebenefits-
and-examples?hub=348 | UNESCO- La UNESCO lanza la campaña
Imagine un mundo con más mujeres en la ciencia. https://www.
unesco.org/es/articles/la-unesco-lanza-la-campana-imagine-un-mundo-conmas-
mujeres-en-la-ciencia?hub=348
Abstract
In an era where digital
connectivity drives business
efficiency, a robust telecommunication
infrastructure is
essential for operational success.
This study explores the
expansion of the network infrastructure
at Hwange Heights
Executive Lodge and The
Lookout Café-Wild Horizons,
two businesses in Victoria
Falls and Hwange, Zimbabwe.
Using Cisco Packet Tracer, I
designed and implemented
a scalable network solution
incorporating fibre optic connections,
routers, switches,
and IP phones. The project
aimed to enhance connectivity,
streamline communication,
and improve operational
efficiency across multiple
office locations. Having ideas
in networking technologies and
telecommunication principles,
this initiative highlights the critical role of structured communication
systems in modern
enterprises. Prospects include
advanced security integrations
and cloud-based solutions to
further optimize business connectivity
and resilience.
Introduction
As a student of Atlantic
International University, I
imagined I were the owner
of Hwange Heights Executive
Lodge and The Lookout
Café-Wild Horizons, I undertook
a comprehensive network
expansion project to enhance
connectivity, streamline communication,
and improve overall
operational efficiency across
multiple office locations. Using
Cisco Packet Tracer, I designed
and implemented a strong
networking solution that
integrates fibre optic connections,
routers, switches, and IP
phones to facilitate seamless
communication within both
companies. (Pyles. T, 2023).
In today’s fast-paced and
technology-driven business
landscape, a reliable, scalable,
and secure network infrastructure
is no longer a luxury
but a necessity. (Stallings. W,
2020). Businesses, especially
those in the hospitality and
tourism industry, rely heavily
on seamless communication,
fast data access, and robust
security measures to ensure
smooth operations and enhance
customer experiences.
I also recognized the urgent
need to expand and modernise
the existing network infrastructure
to accommodate
business growth, improve
connectivity, and optimize
internal communication
across multiple locations. This
project will be undertaken
to future-proof the network,
ensuring that it can support
current business needs while
allowing for scalability and
integration of advanced technologies
in the years to come.
The primary objective of
this project was to expand the
existing network infrastructure
by incorporating additional
offices, upgraded devices,
and improved communication
tools. With businesses in
Victoria Falls and Hwange, as
they are operating in highly
competitive and tourist-driven
markets, uninterrupted connectivity
is crucial for internal operations, guest services,
and digital transactions. The
expansion project leveraged the
Cisco Packet Tracer to simulate,
configure, and test the
entire network setup before
full deployment. This approach
ensured that all devices and
configurations were optimized
for efficiency, security, and
high performance.
Recognizing the evolving
technological landscape, I
structured this project to incorporate
modern networking
solutions while maintaining
simplicity, cost-effectiveness,
and ease of management. By
implementing a structured and
secure network, this expansion
will not only enhance daily
business functions but also
support the adoption of cloudbased
services, remote access
solutions, and cybersecurity
measures in future upgrades.
The successful execution of
this project marks a significant
milestone in the digital transformation
of Hwange Heights
Executive Lodge and Lookout
Café-Wild Horizons, paving
the way for enhanced business
operations and an improved
customer experience.
Project Overview
The initial phase of the
project involved configuring
four IP phones, two of which
were assigned to Lookout Cafe-
Wild Horizons in Victoria Falls
and the other two to Hwange
Heights Executive Lodge.
The setup included configuring
routers, switches, and
PCs while ensuring automatic
phone number assignment
through router configuration.
This phase’s success led to the
project's expansion, aiming to
extend network capabilities to
additional offices.
Aim and Purpose
The aim of this research is to
enhance network infrastructure
and telecommunications within
business environments. The
purpose is to explore the impact
of advanced networking solutions
on operational efficiency
and communication reliability.
Problem Description
Many businesses in remote
or developing areas suffer from
inadequate network infrastructure,
leading to communication
challenges and operational
inefficiencies. This research
addresses the need for a robust,
scalable network solution
tailored to the demands
of Hwange Heights Executive
Lodge and The Lookout Café-
Wild Horizons.
Research Objective
1. Implement a scalable network
infrastructure using
Cisco Packet Tracer.
2. Enhance communication
and connectivity between business locations.
3. Optimize telecommunication
efficiency through fibre optic
and IP-based solutions.
4. Improve network security
and resilience.
5. Explore future integration
of cloud-based networking
solutions.
Materials and Methods
This study utilized a Cisco
Packet Tracer for network
simulation and design. The
following materials were used
in the project:
Hardware Components
• Routers: Configured to facilitate
network communication between different office
locations.
• Switches: Used to interconnect
devices within each
office.
• IP Phones: Configured to
support VoIP communication
for seamless voice
transmission.
• Laptops: Replaced traditional
PCs for increased mobility
and efficiency.
• Fibre Optic Cables: Used as
the backbone for high-speed
network communication over
long distances.
• Ethernet Cables: Used for
local area connectivity within
office spaces.
• TP Server: Integrated to manage network-based services
efficiently.
• Printers: Placed in strategic
locations to support document
management.
Software & Configuration
Tools
• Cisco Packet Tracer: Used
to design, configure, and
simulate the network setup.
• Routing Protocols: Configured
to manage network traffic
efficiently and ensure seamless
connectivity.
• Security Configurations:
Implemented firewall rules and
access control lists (ACLs) to
enhance security and protect
network resources.
Computer Network
Architecture
The structure of a computer
network plays a fundamental
role in determining
its efficiency, scalability,
and security. In my project,
Expanding Hwange Heights
Executive Lodge and the
Lookout Café-Wild Horizons: A
Network Infrastructure Project
in Victoria Falls/Hwange,
Zimbabwe, I observed the
Open Systems Interconnection
(OSI) model and the Transmission
Control Protocol/Internet
Protocol (TCP/IP) model, both
of which offer systematic
approaches to designing and
managing networks. The OSI
model ensures that communication
processes are broken
down into seven distinct layers,
such as physical, network,
transport, and application
layers, each with a specific role
in facilitating seamless data
exchange. The TCP/IP model,
on the other hand, focuses on
end-to-end communication
between devices, making it the
primary protocol for modern
networking.
Telecommunication
Systems and VoIP
Technology
Telecommunications play a
pivotal role in modern business
operations, ensuring that
voice, video, and data services
are transmitted efficiently
across networks. In my project,
I implemented Voice over
Internet Protocol (VoIP), one
of the primary communication
technologies, allowing for
cost-effective and high-quality
voice communication over IP
networks. The integration of IP
phones in my network expansion
enhances inter-office
communication by replacing
traditional telephony with
digital voice services.
Network Security and
Risk Mitigation
A critical aspect of networking
is ensuring the security of
data transmission. I applied
network security principles
such as encryption, firewalls,
access control lists (ACLs), and
intrusion detection systems
to protect the business from
cyber threats. These security
configurations are essential for
safeguarding business communication
channels from
potential vulnerabilities.
Scalability and Redundancy
in networking
A key goal of my network
expansion project was
scalability, ensuring that the
network could support future
business growth without
compromising performance.
Redundancy, including backup
links and failover mechanisms,
was also crucial for minimising
downtime and ensuring
uninterrupted communication
across business locations.
Existing Literature
Review
Numerous studies emphasise
the importance of structured
network expansion in business
environments, and I have
based my research on the following
literature:
Networking and Business
Operations
Tanenbaum and Wetherall
(2011) highlight the role of
structured networks in improving
communication, data
flow, and operational efficiency
within businesses. Their study
demonstrates that companies
with optimized networking
infrastructures experience
enhanced productivity, lower
communication costs, and
improved customer service.
This aligns with my project’s
goals of optimizing network
infrastructure for improved
business performance.
Fibre Optic Technology in Modern
Communication
Ramaswami (2014) discusses fibre optic technology as the
preferred solution for highspeed
networking, emphasizing
its ability to transmit
data over long distances with
minimal latency. This supports
my use of fibre optic backbone
connections in the project to
enhance inter-office connectivity
and performance.
VoIP and Unified
Communication Systems
Dousson (2017) highlights
the growing adoption of VoIP
technologies in modern businesses,
emphasizing that VoIPbased
communication systems
reduce operational costs,
provide greater flexibility, and
enable seamless integration
with cloud-based services. This
aligns with my project’s goal
of implementing IP phones for
enhanced internal communication
between office locations.
Network Security Challenges
and Solutions
Schneier (2020) explores
cybersecurity threats and best
practices for securing enterprise
networks. He underscores
the importance of implementing
firewalls, encryption, and
access control measures to
protect sensitive data from
cyberattacks. The security
measures applied in my project
align with his recommendations
to ensure the business
network remains resilient
against security breaches.
The Role of Network Simulations
in Design and Training
The Cisco Networking Academy
(2022) emphasizes the
effectiveness of the Cisco Packet
Tracer as a network simulation
tool for designing, testing, and
implementing networking solutions.
This resource highlights
how simulations help network
engineers develop scalable and
efficient network architectures
before actual deployment. I
used Cisco Packet Tracer in
my project to design and test
detailed network configurations
before physical implementation.
Implementation
and Configuration:
The network expansion was
precisely designed to ensure
scalability and future adaptability.
The key aspects of implementation
included:
• Establishing a reliable fibre
optic backbone to connect all
offices seamlessly.
• Configuring routers and
switches to manage traffic
efficiently.
• Integrating additional network
devices, including laptops
and printers, to support
business operations.
• To have a more visual concerning
my project, I have
demonstrated the types of
cables used for each device
and more especially for the
fibre by indicating 1632.93
metres as the length distance
of it since it is used for long
distances.
• Both the logical and physical
views will be shown.
• Ensuring a secure and optimized
network environment
to prevent vulnerabilities.
Results
On the previous page and
on this page are the images
attached to my work as proof
of my hands-on experience in
Cisco Packet Tracer. The logical
view shows a detailed of the
whole system with the use us
adding measurements of the
fibre can and types of different
cables used and phone numbers
to IP phones with names
of all devices used. The physical
view shows how the devices
look like in reality.
The integration of IP phones
and the TP server resulted in
clear and reliable voice communications
between staff
members, reducing reliance
on external telephony services
and associated costs. The
deployment of laptops and
networked printers streamlined
workflows, allowing staff to
perform tasks more efficiently
and with greater flexibility.
The implementation of VLANs,
ACLs, and encryption protocols
fortified the network against
potential threats, safeguarding
sensitive business and customer
data. (Kurose, J. F., & Ross, K. W,
2021). The modular design
of the network infrastructure
provides a scalable foundation,
allowing for easy integration of
additional devices, offices, or
services as businesses expand.
Guests at both establishments
now benefit from improved
internet connectivity and reliable
communication services,
contributing to higher satisfaction
levels.
Discussions
The network infrastructure
expansion project for Hwange
Heights Executive Lodge and
Lookout Café-Wild Horizons
was designed to enhance operational
efficiency, communication,
and security across both
establishments. This discussion
delves into the project's
implementation, the results
achieved, and the challenges
encountered. Project Implementation
The project commenced
with a comprehensive network
design and simulation phase.
Utilizing Cisco Packet Tracer,
a detailed network topology
was crafted to simulate the
integration of new devices and
configurations. This simulation
ensured that all components
would function harmoniously
before actual deployment.
In the hardware deployment
phase, desktop PCs in the newly
established offices were replaced
with laptops to provide staff with increased mobility
and flexibility. IP phones were
deployed across all offices to
facilitate seamless internal
and external communication.
(Forouzan, B. A, 2017). Additionally,
a Telephony Protocol (TP)
server was installed in the
main office to manage voice
communications efficiently.
Networked printers and other
essential peripherals were
integrated to support daily
operations.
The network configuration
phase involved implementing
Virtual Local Area Networks
(VLANs) to segment network
traffic, enhancing performance
and security by isolating
different departments
and services. Access Control
Lists (ACLs) were configured
to regulate traffic flow and
restrict unauthorised access to
sensitive information. Encryption
protocols were applied to
protect data in transit, ensuring
secure communication
channels. (Comer, D. E, 2014).
Extensive testing and validation
were conducted to assess
network performance, security
measures, and device interoperability.
Any identified issues
were promptly addressed to
ensure a robust setup.
Challenges and
Lessons Learned
Ensuring that adequate
resources were allocated for
both hardware and personnel
was crucial. Proper planning
and budgeting were essential
to prevent resource constraints
during implementation. Providing
staff with training on new
devices and protocols was vital
to ensure a smooth transition
and to maximize the benefits
of the upgraded infrastructure.
Establishing a system for ongoing
network monitoring has
proven beneficial in promptly
identifying and addressing
potential issues, thereby maintaining
optimal performance.
Impact and Future
Prospects
The expanded network infrastructure
has significantly improved
internal communication,
allowing for smoother operations
and enhanced collaboration
between office locations.
With a reliable and scalable
network in place, Hwange
Heights Executive Lodge and
The Lookout Café-Wild Horizons
are now well-positioned
to leverage advanced networking
technologies, further increasing
operational efficiency
and customer service quality.
To accommodate business
growth, I planned an expansion
that included adding two more
office locations for each company,
resulting in three offices per
company. The new offices were
equipped with laptops instead
of PCs for increased mobility and efficiency. Additionally, a
TP server was introduced in the
main office, working alongside
the pre-configured IP phones
to optimize communication.
Other devices such as routers,
switches, and printers were
strategically placed in various
offices to enhance workflow
and connectivity. This project
serves as a testament to the
power of networking technology
in transforming business
operations, and I am excited
to continue innovating in this
space.
Conclusion
This network expansion
project exemplifies the
strategic use of technology in
business growth and efficiency.
By using Cisco Packet Tracer
for simulation and implementation,
I successfully enhanced
the infrastructure of Hwange
Heights Executive Lodge and
The Lookout Café-Wild Horizons,
ensuring continuous
communication and operational
excellence. This experience
has reinforced my passion for
networking and telecommunications,
and I look forward
to undertaking more complex
projects in the future.
Acknowledgement
I would like to express
my sincere gratitude to Dr.
Kanbiro Orkaido my Academic
and program advisor and Dr. Mohammad Shahidul Islam,
the Publication Advisor at Atlantic
International University,
for their unwavering support,
guidance, and invaluable feedback
throughout my research
journey. Their expertise and
encouragement have been
instrumental in shaping the direction of my work.
I also extend my heartfelt
thanks to the entire AIU staff
for their dedication, assistance,
and contributions, which made
this research process both
enriching and rewarding. Your
support has been a vital part of
this academic achievement.
BIBLIOGRAPHY. Pyles, T. (2023). Cisco Networking Essentials (2nd
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R. (2014). Optical Networks: A Practical Perspective (3rd
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optical-networks/ramaswami/978-0-12-385003-2 | Dousson, R. (2017).
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nified+Communications-p-9781119060555 | Schneier, B. (2020). Secrets
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D. E. (2014). Computer Networks and Internets (6th ed.). Pearson.
https://www.pearson.com/us/higher-education/program/Comer-Computer-
Networks-and-Internets-6th-Edition/PGM79164.html
Physicists in Serbia have begun
strike action in response to what
they say is government corruption and
social injustice. The one-day strike,
called by the country’s official union
for researchers, is expected to result
in thousands of scientists joining students
who have already been demonstrating
for months over conditions in
the country.
The student protests, which began in
November, were triggered by a railway
station canopy collapse that killed 15
people. Since then, it has grown into
an ongoing mass protest seen by many
as indirectly seeking to change the
government, currently led by president
Aleksandar Vučić.
The Serbian government, however,
claims it has met all student demands
such as transparent publication of all documents related to the accident and
the prosecution of individuals who have
disrupted the protests. The government
has also accepted the resignation
of prime minister Miloš Vučević as well
as transport minister Goran Vesić and
trade minister Tomislav Momirović,
who previously held the transport role
during the station’s reconstruction.
“The students are championing noble
causes that resonate with all citizens,”
says Igor Stanković, a statistical physicist
at the Institute of Physics (IPB) in Belgrade,
who is joining today’s walkout.
In January, around 100 employees from
the IPB in Belgrade signed a letter in
support of the students, one of many
from various research institutions since
December. ...
The scene is disconcerting. Three
Spanish soldiers and two El País
journalists, dressed in bulky waterproof
protective suits, arrive by zodiac at
Pendulum Cove, a beach with fumaroles
rising from an active volcano that
juts out from the Antarctic Ocean and
forms the remote Deception Island. Yet
this hostile place, at sub-zero temperatures
but with hot springs, is teeming
with tourists, as if it were the Mediterranean.
Their mobile phones record
vertical videos and visitors adopt the
typical poses reserved for Instagram
and TikTok. Anchored off the coast is
the luxury cruise ship Roald Amundsen
with some 500 passengers who have
paid around $22,000 each. Behind that
ship arrives another one. And then
another one. Mass tourism, which is
collapsing towns and cities around the
world, has also reached the last pristine
continent on the planet. ...
The Australian geographer Anne
Hardy is already talking about a TikTok
effect, with hundreds of millions of social
media users drawn to a multitude
of frivolous videos of tourists in Antarctic
enclaves: dancing with DJs among
icebergs, chipping ice to make drinks,
swimming dressed as penguins, walking
on the bed of a cruise ship with
amazing views. In Antarctica it is already
possible to run a marathon, paddle
a canoe, climb its highest peak and
even participate in erotic parties. And
Starlink satellites allow for videos to be
shared in real time, from a continent
previously disconnected from the rest
of the planet. ...
Doctors in London have successfully
restored a sense of smell and
taste in patients who lost it due to long
Covid with pioneering surgery that
expands their nasal airways to kickstart
their recovery. Most patients diagnosed
with Covid-19 recover fully. But the
infectious disease can lead to serious
long-term effects. About six in every
100 people who get Covid develop long
Covid, with millions of people affected
globally, according to the World Health
Organization. Losing a sense of smell
and taste are among more than 200
different symptoms reported by people
with long Covid.
Now surgeons at University College
London Hospitals NHS Foundation Trust
(UCLH) have cured a dozen patients,
each of whom had suffered a profound
loss of smell after a Covid infection. All
had experienced the problem for more
than two years and other treatments,
such as smell training and corticosteroids,
had failed.
In a study aiming to find new ways to
resolve the issue, surgeons tried a technique
called functional septorhinoplasty
(fSRP), which is typically used to correct
any deviation of the nasal septum, increasing
the size of nasal passageways.
This boosts airflow into the olfactory
region, at the roof of the nasal cavity,
which controls smell. Doctors said the
surgery enabled an increased amount of
odorants ...
The last woolly mammoths vanished
from Earth 4,000 years ago, but
they loom large in our imaginations.
The extinct proboscideans have become
the main avatar of a push to “de-extinct”
lost animals by creating genetic
“proxy” species spliced together with
gene-editing tools like CRISPR. Yes,
this movement is very reminiscent of
Jurassic Park —except the proposed
attractions are dodos, thylacines, and
mammoths instead of T-rexes with a
specific taste for lawyers.
Now, researchers working for Colossal
Biosciences, a biotech startup that
bills itself as the “de-extinction company”
have unveiled a “woolly mouse”
chimera, according to a new preprint
study. These mice have “exaggerated
hair phenotypes including curly, textured coats, and golden-brown
hair,” which the researchers claim
could shed light into the genetic adaptations
of mammoths. The mice don’t
have any actual mammoth DNA in them;
rather, the team toggled gene mutations
that are similar to those found in
mammoths, and other mammals.
“This study establishes a rapid
platform for testing mammoth-centric
genetic variants while advancing methods
for complex genetic model generation,”
said researchers led by Rui Chen
of Colossal Biosciences. “These approaches
inform de-extinction efforts
and research into the genetic basis of
mammalian hair development and cold
adaptation.” ...
Read full text
Mammograms are largely considered
the gold standard for detecting
breast cancer malignancies, but the
pain and discomfort that comes with
having your breasts pushed up against
a traditional scan machine has been
documented as a serious deterrent for
women considering and getting routine
examinations.
But what if there was a mammogram
that came with no pain —and more
thorough results than a traditional
screening? Cue the Vera Scan.
This first-of-its-kind breast scan
rotates around the breast, instead of
compressing it, and has the capabilities
of capturing the smallest lesions for
early and accurate diagnosis.
The Vera Scan gives doctors a
detailed, 3D view of the breast tissue
using CT technology (a combination of
X-rays and computer tech). ...
NASA is seeking design ideas from
global creators for a zero gravity
indicator that will fly aboard the agency’s
Artemis II test flight. Zero gravity
indicators are small, plush items
carried aboard spacecraft to provide a
visual indication of when the spacecraft
and its crew reach space.
This opportunity, with a submission
deadline of May 27, asks for original
designs representing the significance
of NASA’s Artemis campaign, the mission,
or exploration and discovery,
and meet specific requirements for
materials and size.
“What better way to fly a mission
around the Moon than to invite the
public inside NASA’s Orion spacecraft
with us and ask for help in designing
our zero gravity indicator?” asked Reid
Wiseman, NASA astronaut and Artemis
II commander, at the agency’s Johnson
Space Center in Houston. “The indicator
will float alongside Victor, Christina,
Jeremy, and me as we go around the
far side of the Moon and remind us of
all of you back on Earth.”
Up to 25 finalists, including from a
K-12 student division, will be selected.
The Artemis II crew will choose one
design that NASA’s Thermal Blanket
Lab will fabricate to fly alongside them
in Orion. Imagine seeing your creation
floating weightlessly with astronauts
on their way around the Moon.
Japanese startup studio Quantum
has updated its innovative Wheeliy
wheelchair, making it lighter and easier
to use, as well as adding features
including armrests that act as brakes.
Wheeliy 2.0 retains the yellow accents
that help those unfamiliar with wheelchairs
to operate it intuitively.
The chair is designed to be easy
to use by both wheelchair users and
the people who support them, with
its reduced weight (in the eightkilogram
range) and simple mechanisms
making movement and folding
more straightforward. ...
They might seem like a harmless,
nostalgic summer treat, but a
little-known ingredient in some frozen
slushies can pose a serious health risk
for some kids. In a new study, experts
review 21 cases of children who became
unwell after consuming these products
and ask whether the time is right to update
public health guidance, to ensure
parents are informed about the risks.
The ingredient in question is glycerol.
It’s commonly found in the “no-addedsugar”
or “sugar-free” versions of
slushies that are widely available in
the UK and Ireland, where the research
team are based. The reason it’s added
is to help keep that characteristic slush
texture in the absence of added sugar. It
may also appear on labels as glycerine
or food additive E422.
For most adults and older children,
occasional consumption of the levels of
glycerol in these products will not cause
a problem. But for younger kids, there’s
a risk of a potentially serious illness
called glycerol intoxication syndrome.
The authors say their study is the first
to take a close look at this syndrome
across a series of children, all of whom
received medical treatment between 2009
and 2024 after ingesting a slushy. The
median age of these children was 3 years
and 6 months, with 38% of them aged 4
and under. This age group is known to
be at particular risk of glycerol intoxication
syndrome as the effects are associated
with body weight —sometimes, the
amount of glycerol in a slushy ...
Read full text
Beyond the usual advice to journal
and meditate, registered psychologist
Sahra O’Doherty says knitting and
crocheting can be highly beneficial for
our mental health, after putting our
phones away. When we’re engaged in
repetitive motion tasks, our body and
mind settle, O’Doherty, who happens
to be a keen crocheter, says. “Our heart
rate and breathing even out and we
have lower blood pressure.”
Although most of the evidence to support
this is anecdotal, a study conducted
by the University of Wollongong found
that respondents felt happier, calmer
and more useful after crocheting. And
the benefits of engaging in craft have
been endorsed by the Royal Australian
College of General Practitioners and the
Consumers Health Forum of Australia. What sets knitting and crocheting
apart from other crafts is the rhythm of
stitches and needles clicking. This sense
of rhythm can lead to a sensation known
as flow state, a pleasurable experience
psychologically, when someone is so
engaged by an activity that time disappears.
... Crafts can be a useful antidote
to depression because they help pull us
out of negative thought spirals and refocus
us on things that give us a sense of
achievement, which can combat feelings
of worthlessness, helplessness or hopelessness.
Knitting and crochet are useful
for anxiety too. There’s also evidence
that crocheting and knitting are effective
in maintaining dexterity and cognitive
health as we age. ...
Read full text:
A new study finds that even as
mariculture expands globally, the
industry could actually decrease its
current biodiversity impact by 30% —
if they get smarter about where they
farm. But the same study also cautions
that seafood farming in the wrong
locations could just as easily ramp up
current marine biodiversity impacts by
over 400%.
One-fifth of the fish we consume is
provided by farmed seafood, and that
figure is only projected to rise as global
demand for protein grows. The new
research, published in Nature Ecology &
Evolution, calculated that mariculture
—the controlled production of shellfish,
bivalves, and finfish in coastal areas
and in the open ocean— will need
to increase by 40.5% from 108,729
hectares to 152,785, to meet this growing
demand by 2050.
To understand how this expansion
will affect ocean biodiversity, the team
of scientists developed an impact index
that considered how nutrient pollution
and habitat degradation from seafood
farms affect over 20,000 individual
ocean species. This was based on data
about species vulnerability to these
pressures, and the probability that
those species would occur in the vicinity
of fish farms. Then the researchers
developed a model to project these
impacts out to 2050, according to the
expected mariculture expansion. The
model also took into account how a
warming ocean ...
Read full text:
According to energy humanists, we
must support energy —all energy,
including fossil fuels— because to be
anti-energy is to be anti-human.
“Coal transformed our world and made it
better, extended life expectancy and grew
opportunities, and coal globally will be
the largest source of electricity for decades
to come. That’s not a policy, that’s not a
desire, that’s just a reality.”
—Energy Secretary Chris Wright
“Be pro energy, be pro human and don’t
you ever apologize for it.”
—Robert Bryce, energy analyst
I follow Robert Bryce because of his
insightful energy analysis (although of
course, I completely disagree with him
on his conclusions) and so I watched
his presentation Embrace Energy Humanism!
at the ARC 2025 conference when he posted the link. It is pure human supremacy
from start to finish. Bryce even
goes so far as to use poor women in
India to tug on our heart strings, as he
describes how energy has transformed
their village (they can now grind spices
with electric gadgets). ...
These men aren’t wrong that “energy
poverty” is horrible for anyone
in the modern world. It is. But their
conclusion is wrong —to modernize all
people further by bringing them more
energy. More energy means higher
consumption and more destruction of
the natural world. We are already well
into the sixth mass extinction, well
into catastrophic ecological overshoot,
and so more energy to more people will
speed up the ...
Read full text:
Nine women journalists in Azerbaijan
are marking International
Women’s Day behind bars or under
house arrest amid the government’s
relentless crackdown on critics.
Women journalists and civic activists
who speak truth to power face unique
risks in Azerbaijan’s patriarchal society.
The authorities have a long record of
subjecting them to gender-based smear
campaigns and trolling in an effort to
intimidate and discredit them. As an
Azerbaijani woman journalist living
in involuntary exile myself, the steep
price of criticizing the government —
including the gender-based threats—
is all too familiar.
But the government’s approach to
political persecution is otherwise perversely
nondiscriminatory. Its wider,
vicious crackdown has targeted an
ever-rising number of critics and dissenting
voices. Since 2023, authorities
have arrested dozens of human rights
defenders, journalists, and independent
civic activists on politically motivated,
bogus criminal charges.
Freelance reporter Fatima Movlamli
was arrested just last week, on February
28, and held in pretrial detention.
The spurious money laundering
charges against her are part of a
broader investigation against Meydan
TV, an independent news outlet she
collaborated with.
“I am a journalist, and I have done
nothing criminal,” Movlamli wrote in
a personal note following her arrest.
Movlamli is one of 20 journalists now
facing trumped-up money laundering
charges. ...
Read full text:
Two hundred pairs of shoes have
been found at a clandestine crematorium
on a ranch in the Mexican
state of Jalisco, in a disturbing
demonstration of the country’s crisis
of forced disappearance related to
organised crime.
Warrior Searchers of Jalisco, a collective
of relatives of the disappeared, found
the crematorium following an anonymous
tip-off, and the authorities have
since confirmed the presence of burnt
remains and empty bullet casings.
The collective suspects that the bones
belong to disappeared people. “They
have to do an exhaustive inspection.
We ask that they bring the dogs … that
are certified to find human remains
and bones,” Índira Navarro, a representative
of the collective, told AFP.
The crematorium was found on a
ranch that was secured by authorities
several months ago, in an operation
that led to the arrest of 10 armed
people, the release of two that had been
kidnapped, and the discovery of a body.
The ranch, which included a rudimentary
kind of obstacle course, is
thought to have been used as a recruitment
and training centre for new
members of the Jalisco New Generation
cartel. The Jalisco cartel, recently
declared a foreign terrorist organisation
by the Trump administration, is one
of Mexico’s most powerful organised
crime groups and is involved in the
trafficking of drugs and people across
the country and internationally. ...
Communities and ecosystems across
the globe face heavy environmental
damage from intensifying mining
operations. A people’s tribunal probed the
Canadian mining industry’s impact on the
natural world and the people defending it.
As one of Argentina’s worst mining
disasters unfolded above Domingo
Jofré’s home, the company responsible
remained silent while a million liters
of cyanide-laced water spewed into local
streams and rivers. Jofré and other
residents in the downstream town of
Jáchal learned of the spill only after an
employee at the mine, owned and operated
by the Canadian company Barrick
Gold, sent a WhatsApp message to a
family member, warning of the danger.
That was in 2015. Today, Jofré is still
awaiting his day in court. ... The advocacy group Global Alliance for
the Rights of Nature created the tribunal
in 2014 to showcase how a justice
system that recognized nature’s rights
would work. ... The rights of nature
tribunal also seeks to collect testimonies
and gather evidence to influence
future legal actions. ...
Friday’s session, called The Impacts
of Mining and the Post-Extractivism Era,
was intended to confront the narrative
that the mining industry is
environmentally friendly because it
procures metals for use in low-carbon
technologies, according to tribunal
co-secretariat Natalia Greene. “We’re
here to tell the truth of what is really
happening,” ...
A single Antarctic krill is about the
size of your pinky finger. But with
an estimated population of more than
700 trillion in the Southern Ocean,
the tiny crustacean’s collective impact
across the entire planet is enormous.
Their swarms are so massive they
can be seen from space. They’re food
by the millions for seals and penguins
and whales. And they sequester huge
amounts of carbon —more than $15
billion worth per year, according to the
World Wide Fund for Nature (WWF).
Increasingly, though, Antarctic krill
face threats from warming seas and
a growing fishery. Scientists say that
without international action to bolster
marine protected areas and combat
climate change, krill populations —and
the resulting carbon sequestration—
could drop off sharply in the coming
decades.
Antarctic krill act as one of the
world’s largest “biological pumps,” a
term scientists use to describe the process
by which marine organisms send
carbon to the depths of the ocean, where
it can be stored for hundreds of years.
A study published last September in
Nature Communications found that Antarctic
krill sequester similar amounts of
carbon to coastal marshes, mangroves
and seagrass, habitats scientists consider
some of the planet’s most prolific
carbon sinks.
Krill feed on phytoplankton, which,
like land-based plants, consume carbon
dioxide and release oxygen as they ...
Set
of 4 garden tools: cultivator, fork, hoe
and trowel. With an extra long stem,
allowing them to be used from a seated
position and without bending down.
The tools feature an ergonomic pistolgrip
that reduces the strain on the wrist
and forearm and allows for increased
leverage. www.essentialaids.com
The Bachelor of Mortuary Science is
an interdisciplinary program that
explores the cultural, philosophical,
ethical, and scientific dimensions of
death, dying, and funerary practices.
Designed for students interested in the
academic study of mortality, this program
examines historical and contemporary
perspectives on death through
sociology, anthropology, psychology,
and legal frameworks.
The Bachelor of Mortuary Science
program is offered online via distance
learning. After evaluating both academic
record and life experience, AIU
staff working in conjunction with Faculty
and Academic Advisors will assist
students in setting up a custom-made
program, designed on an individual
basis. This flexibility to meet student
needs is seldom found in other distance
learning programs. Our online program
does not require all students to take the
same subjects/courses, use the same
books, or learning materials. The online
Bachelor of Mortuary Science curriculum
specifically addresses strengths
and weaknesses with respect to market
opportunities in the student’s major
and intended field of work.
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(CHEA). The University is based in the United States and was established by corporate charter in 1998.
In some cases, accredited colleges
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AIU students can be found in over 180 countries,
they actively participate and volunteer
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program and have allocated thousands of service
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programs follow the standards commonly used by
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regards to the following: academic program
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AIU graduation documents can include
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US Department of State to facilitate their
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The School of Business and Economics
allows aspiring and practicing
professionals, managers, and entrepreneurs
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to complete a self paced distance
learning degree program of the highest
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The ultimate goal is to empower
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Degree programs are designed for
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is focused on to the development of
studies which instill a core commitment
to building a society based on social and
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for human well being.
The founding principles lie on the
basic right of education as outlined
in the Declaration of Human Rights.
We instill in our students a sense of
confidence and self reliance in their
ability to access the vast opportunities
available through information channels,
the world wide web, private, public,
nonprofit, and nongovernmental organizations in an ever expanding
global community.
Degree programs are aimed towards
those whose professional life has been
related to social and human behavior,
with the arts, or with cultural studies.
The School of Science and Engineering
seeks to provide dynamic, integrated,
and challenging degree programs
designed for those whose experience
is in industrial research, scientific production,
engineering and the general
sciences. Our system for research and
education will keep us apace with the
twenty-first century reach scientific
advance in an environmentally and
ecologically responsible manner to allow
for the sustainability of the human
population. We will foster among our
students a demand for ethical behavior,
an appreciation for diversity, an understanding
of scientific investigation, knowledge of design innovation, a
critical appreciation for the importance
of technology and technological change
for the advancement of humanity.
With access to a global catalog created and maintained collectively by more than
9,000 participating institutions, AIU students have secured excellent research
tools for their study programs.
