COMPUTER SCIENCE AND ENGINEERING
COMPUTER NETWORKING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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protect the network
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control how computers work
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control access and security of shared resources in the network
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None of the above
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Detailed explanation-1: -The CSMA/CD protocol works with a medium access control layer. Therefore, it first senses the shared channel before broadcasting the frames, and if the channel is idle, it transmits a frame to check whether the transmission was successful. If the frame is successfully received, the station sends another frame.
Detailed explanation-2: -Network access control is the act of keeping unauthorized users and devices out of a private network.
Detailed explanation-3: -Firewall Systems. You can set up a firewall system to protect the resources in your network from outside access. A firewall system is a secure host that acts as a barrier between your internal network and outside networks. The internal network treats every other network as untrusted.