Computer Networking
The application layer of a network

establishes, maintains, and terminates virtual circuits
consists of software being run on the computer connected to the network
All of these
defines the user's port into the network
None of these

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

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Computer Networking
The physical layer, in reference to the OSI model, defines

the virtual circuit interface to packet-switched service
None of these
All of these
data link procedures that provide for the exchange of data via frames that can be sent and received
the interface between the X.25 network and packet mode device

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