Troubleshooting Network Issues: Upgrading and Optimizing Company Network Infrastructure

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NETWORKING NOT WORKING
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Introduction
Nets for You is one of the big companies located in Tonbridge. Currently the
organization has over 200 employees with over 220 user computers. The company head offices
are located across four cities; Hong Kong, Cardiff, London, and New York. This monogram will
highlight how to go about upgrading the company network.
Task 1
Types of WAN, LAN, and PAN
Wide Area Network
To start with WAN is a computer network or telecommunication network which extends
over a very large geographical area like countries, cities, or states. WAN can be either private to
connects parts of an organization or they can be public to connect smaller networks. One smaller
scales such as this case, Net For You Company uses WAN which is comprised of its
headquarters and branch offices. WAN in this scenario is used to connect the various sections of
the company together. In addition, the various sections are ought to be connected using virtual
Private networks which provides communications between various workstations (Dodd, 2012, p.
47).
Local Area Network
LAN is a computer network which spans a very small area. Usually, LAN is confined in a
very small room. To build this LAN, Net For You Company will need to utilize the use of
Ethernet and WiFi to connect the various devices together. WiFi LAN operates under Access
Points where mobile devices connect to. On the other hand, Ethernet LAN consists of routers and
switches which is used to connect individual computers (LaQuey, 2001, p. 34).

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Personal Area Network
PAN is a computer network which is used to interconnect several devices on an
individual workplace. PAN, in this case, provides data transmission among smartphones and
computers. PAN technology can work in Net For You Company by enabling some of the
wearable computer's devices to communicate to the nearby computers.
How current system works using CSMA/CD protocol
CSMA/CD protocol works by backing off and detecting a collision in the medium. Figure
one explains how the current system works using CSMA/CD protocol. In here a when a host
wants to transmit frame it first listens on the medium to check if the channel or if the medium is
business.
Figure 1: How the current network works using the CSMA/Protocol (Dodd, 2012, p. 134)