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Questions and Answers
What is the function of a router in a network?
What is the function of a router in a network?
- Prevent messages from reaching their destinations
- Act as a filter on busy networks
- Forward data between network segments (correct)
- Increase the traffic seen by each host
How does a router limit the traffic seen by any given host?
How does a router limit the traffic seen by any given host?
- By filtering unwanted traffic for security purposes
- By knowing which destination addresses are on the connected networks (correct)
- By spreading messages to irrelevant cables
- By allowing all messages to flow freely
What is the main purpose of a bridge in a network?
What is the main purpose of a bridge in a network?
- Isolate traffic on busy sections of a network (correct)
- Forward data between network segments
- Increase the number of hosts sharing a cable segment
- Allow all traffic to flow freely
How does a bridge differ from a router?
How does a bridge differ from a router?
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Why is it necessary for routers to prevent message traffic from spreading onto irrelevant cables?
Why is it necessary for routers to prevent message traffic from spreading onto irrelevant cables?
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What is one security function performed by routers?
What is one security function performed by routers?
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What is the main purpose of protocols in data transmission?
What is the main purpose of protocols in data transmission?
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Why are protocols necessary in a network?
Why are protocols necessary in a network?
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What information is typically included in the envelope of transmitted data?
What information is typically included in the envelope of transmitted data?
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What is the purpose of header information in a protocol stack?
What is the purpose of header information in a protocol stack?
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Why is it important for each transmission layer in a protocol stack to have header information?
Why is it important for each transmission layer in a protocol stack to have header information?
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