Computer Networking
X.21 is

a method access control technique for multiple-access transmission media
network access standard for connecting stations to a circuit-switched network
None of these
a very common bit-oriented data link protocol issued by ISO
a method of determining which device has access to the transmission medium at any time

ANSWER DOWNLOAD EXAMIANS APP

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 192.168.10.0 255.255.255.0 eq telnet
access-list 100 deny tcp 192.168.10.0 0.255.255.255 eq telnet

ANSWER DOWNLOAD EXAMIANS APP