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Question:
a) There are two basic approaches to dealing with errors in the presence of pipelining. One way is Go-Back-N and the other strategy is Selective Repeat.
i. Explain briefly how Go-Back-N operates.
ii. Demonstrate your understanding on selective repeat.
b) Design the frame format for bit-oriented protocols. Label it appropriately. Show how many bits each part occupies.
c) Different protocols are used on the multiple access channels: polling, ALOHA, amongst others.
i. Explain with respect to performance how CSMA is an improvement over ALOHA?
ii. How is a slotted ALOHA type of satellite packet broadcasting network an improvement over pure ALOHA?
d) 10Base5 cabling is commonly known as thick Ethernet.
i. Demonstrate your understanding on 10Base5 cabling
ii. What is the maximum segment of 10Base5 cabling?
Q. Develop a completely secure WSN based on the triple key? Wireless network is the most vulnerable type of network to security attack. Unauthorized access to wireless network
table for inverse z transform
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Question: The Wired Equivalent Privacy (WEP) standard was created in order to give wireless networks safety and security features similar to that of wired networks. (a) L
what is computer network?
ARP MESSAGE FORMAT Although the ARP data packet format is sufficiently general to allow hardware addresses and arbitrary protocol. ARP is almost usually used to bind a 32-bit
For this assessment, students must research and analyse two different scenarios. The two scenarios must be chosen from those described below and submitted as one Microsoft PowerPoi
1. For this project, assume that an organization has five servers. Server 1 has a TCO of $25,000, Servers 2 and 3 have a TCO of $37,000 each, and the remaining two servers— Servers
Q. Explain the random key distribution? The triple key management mechanisms ensure a better and complete security solution using the random key distribution mechanism. In this
Task 1 a. Consider the table showing the relative frequencies of letters in English. Arrange the frequencies from largest to smallest, and make a cumulative plot, using Exc
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