Computer Networking
Communication circuits that transmit data in both directions but not at the same time are operating in

a full-duplex mode
an asynchronous mode
None of these
a half-duplex mode
a simplex mode

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Computer Networking
You need to create an access list that will prevent hosts in the network range of 192.168.160.0 to 192.168.191.0. Which of the following lists will you use?

access-list 10 deny 192.168.160.0 255.255.224.0
access-list 10 deny 192.168.160.0 0.0.31.255
access-list 10 deny 192.168.0.0 0.0.31.255
access-list 10 deny 192.168.160.0 0.0.191.255

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Computer Networking
You type debug ip rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?

They will all load-balance.
The route has a delay of 16 microseconds.
The route is queued at 16 messages a second.
The route is 16 hops away.
The route is inaccessible.

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Computer Networking
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Discard it and send an error message back to the originating host
Add the source address and port to the MAC address table and forward the frame out the destination port
Flood the network with the frame
Add the destination to the MAC address table and then forward the frame

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