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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?
QUESTION (a) Define and distinguish between Electronic Commerce and Electronic Business (b) According to you what are the benefits that Electronic Commerce can brings to org
Base lining • Organizations do not have any contact to each other • No two organizations are identical to each other • The best practices are a moving target • K
Question 1: (a) With the help of a diagram show the basic structure of a computer system. (b) Explain as fully as you can each of the parts mentioned above. (c) What are
(a) Using the extended Euclidean algorithm, find the multiplicative inverse of 504 mod 67. (b) Decrypt the following ciphertext, which has been encrypted using Caesar cipher:
QUESTION (a) Describe the difference between static routing and dynamic routing algorithms. (b) List four functions that are performed by the Cisco IOS software during b
I have an assignment of Computer Security to submit. Will you guys help me making my assignment???
algorithm on simple intrest
Cipher Methods There are 2 methods of encrypting plaintext: • Bit stream method – every bit in the plaintext bit is transformed into a cipher bit one bit at a time. • Block cip
Ask You have been asked by a new client to assist in setting up a new computer for her coffee shop. She has just purchased the newest Apple computer from an online site. Should wou
Question requires you to submit a proposal based on the research report topic you will be addressing in the second assignment. Note: before commencing research on the topic, y
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