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Explain CSMA/CD
Which layer is used to route packets
Explain what is meant by the term ‘integrated service digital network’. Give three reasons a company might choose an ISDN link in preference to a leased line.
give an example of bus type network.
1. What is LAN segmentation? Why it is used? What are the different techniques to create LAN segments?
What is socket and server socket?
How do cryptography-based keys ensure the validity of data transferred across the network?
How would you capture network traffic?
Which layer is used to detect and correct errors
Explain pure-ALOHA and slotted- ALOHA systems. Give the expression for throughout for each,clearly explaining the various terms.
Why Use VSATs?
What is an Operating System?