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Carrier Sense Multiple Access/Collision Avoidance
a) Necessary since wireless LANs cannot implement CSMA/CD
b) Collision detection requires increased bandwidth requirements
c) Collisions might not be detected due to obstacles
d) Distance between stations may prevent collisions from being heard
e) Collision avoidance is accomplished through network allocation vector (NAV)
State about the communications network 1) The communications network may only accept blocks of data up to a specific size. (2) Error control might be more effective with a
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How Does Network Topology Affect The Cost And Network Performance, Computer Science.
Question 1 Describe the architecture and usage of ISDN Question 2 Write about different network structures in use Question 3 Explain the concept of framing in Data Li
detail discusion
What is Unacknowledged connectionless service This service is a datagram-style service. It is a very simple service that does not involve any of the flow- and error-control mec
Question 1 requires you to develop firewall rules based on a fictitious organisation. Scenario: You work for a security-conscious company, xC-Cure, who develop encryption t
Why are packets important in a network?
What is the main purpose of OSPF? OSPF, or Open Shortest Path First, is a link-state routing protocol that uses routing tables to verify the best possible path for data exchang
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