Network Management Assignment Solution - Electrical Engineering

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Homework Assignment
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This document presents a comprehensive solution to a network management assignment, addressing key concepts in electrical engineering. It begins by outlining the advantages of optical communication links, including bandwidth, distance, cost, security, and size. The solution then explains the purpose of GBIC (Gigabit Interface Converter) and its role in converting electrical signals to optical signals, facilitating network design and configuration. Further, the assignment explores fiber optic cable selection for a campus network, advocating for single-mode fibers for their low loss and high bandwidth capabilities. The solution also identifies the four physical layer technologies used in 802.11 wireless networking: DSSS, FHSS, OFDM, and infrared. Finally, the document provides recommendations for setting up two access points in a business environment to optimize wireless network performance, emphasizing the importance of avoiding interference, proper wired LAN installation, and a thorough site survey.
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Running head: NETWORK MANAGEMENT
NETWORK MANAGEMENT
Name of the Student
Name of the University
Authors Note:
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Q1. List of five advantages of an optical communication link.
Five advantages of using commination link are unlimited bandwidth, long transmission
distance, low cost, secure transmission, small size and light weight. Optical fiber has no limit
about the fact that how fast an information can be transmitted from one location to another (Fang
& Luo, 2014). ADSL provide a long mile access and it is not even expensive to send gigabit of
data over 120 km by the help of only 1 fiber. There are two sources namely first the signal is
radiated beyond the cable and secondly easily tap which is available in parallel channel.
Q2. What is the purpose of GBIC?
GBIC stands for gigabit interface converter which is a transceiver which is converts
electrical signal to optical signal in series and vice versa (Neumann, 2013). A GBIC provides a
platform in which designer of one type can easily adopt for copper installation. GBIC modules
allow various technical to easily make configure and develop electro optical networks.
Q3. A campus network is planning to put fibre-optic cables in to replace outdated coaxial
cables. They have the choice of putting in single-mode, multimode, or a combination of
single–multimode fibres in the ground. Which fibre type should they select? Why?
For a campus network they should use single mode optical fibers which has small
diametral core which allows one mode light to propagate. The single mode should choose fibers
which gives low loss and high bandwidth.
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Q4. What are the four physical layer technologies being used in 802.11 wireless
networking?
The four layers of technologies which are being used in wireless technology that is
802.11 are direct sequence spread spectrum (DSSS), Frequency hopping spread spectrum
(FHSS), Orthogonal frequency division multiplexing (OFDM) and infrared.
Q5. Your company has a suite in a business complex. Another company in the suite next to
you has a wireless 802.11b network with an SSID of “Company A.” You can pick up their
signal from your suite. Your company would like to put up its own wireless network with
two access points. Discuss how you would set up these two access points so that your
company can obtain optimal performance.
Wireless network should not interfere with 802.11b network of neighbor network. The
organization should setup wireless network at 802.11b/g/n. There is also need of proper
installation of wired LAN so that the access points can act like transceiver (Sari & Rahnama,
2013). A proper survey must be done on a particular zone and map which the user wants to
reach. Proper analysis of wire networks, installed access points, testing of RF courage and
support of bandwidth. It must be ensured that SSID is there for authentic user who can have easy
access to the network.
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References
Fang, F., & Luo, X. G. (2014). Network Equipment Selection Scheme of University
Informatization Construction. In Applied Mechanics and Materials (Vol. 599, pp. 1575-
1579). Trans Tech Publications.
Neumann, E. G. (2013). Single-mode fibers: fundamentals(Vol. 57). Springer.
Sari, A., & Rahnama, B. (2013, June). Simulation of 802.11 Physical Layer Attacks in MANET.
In Computational Intelligence, Communication Systems and Networks (CICSyN), 2013
Fifth International Conference on (pp. 334-337). IEEE.
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