Computer Networking
Which configuration command must be in effect to allow the use of 8 subnets if the Class C subnet mask is 255.255.255.224?

Router (config) #ip unnumbered
Router (config) #ip subnet-zero
Router (config) #ip classless
Router (config) #no ip classful

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Computer Networking
TCP is:

None of these
Connection orientated and unreliable
Operates at the Data Link layer
Connectionless and unreliable
Connection orientated and reliable

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Computer Networking
If you wanted to deny all Telnet connections to only network 192.168.10.0, which command could you use?

access-list 100 deny 192.168.10.0 0.0.0.255 any eq 23
access-list 100 deny tcp any 192.168.10.0 0.0.0.255 eq 23
access-list 100 deny tcp 192.168.10.0 0.255.255.255 eq telnet
access-list 100 deny tcp 192.168.10.0 255.255.255.0 eq telnet

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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
Flood the network with the frame
Add the destination to the MAC address table and then forward the frame
Add the source address and port to the MAC address table and forward the frame out the destination port

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