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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?
Belady's Anomaly Also known FIFO anomaly. Generally, on raising the number of frames given to a process' virtual storage, the program execution is faster, because lesser page
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
INTRODUCTION TO SECURITY AND PERSONNEL When implementing information security, there are several human resource issues that should be addressed. They are • Positioning and n
Title: Perimeter Network Security System Outline Requirements The University is based in Glasgow, and provides higher education services to its students and staff. It is loc
Question: Human telephone conversations are characterized by irregular pauses, alternating with irregular bursts of speech. In contrast, communication via computers is char
Dynamic Packet Filtering Dynamic Packet Filtering is also referred to as stateful firewalling. Here the firewall maintains the status of connections as well. When a connection
hi have a look and tell me if u can do it. if u can do Q1then i will allow u to do Q2
Problem: (a) What is the minimum length of a password that could be considered to be "strong" in the context of today's computing power? (b) The security of a PIN system,
IP DATAGRAM Various options can be included to IP header, e.g., source route, record route and timestamp. Header with no function has H. LEN field value 5; data starts immedia
Question: (a) What is the minimum length of a password that could be considered to be "strong" in the context of today's computing power? (b) The security of a PIN system,
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