Computer Networking
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?

WAN and LAN
Full duplex and half duplex
All of these
Hardware and software

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Computer Networking
A WATS arrangement

is always less expensive than flat-rate service
is less expensive than flat-rate service only when the number of calls is large and the duration of each is short
None of these
is less expensive than flat-rate service only when the number of calls is small and the duration of each is long
is never less expensive than flat-rate service

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Computer Networking
You configure the following access list:access-list 110 deny tcp 10.1.1.128 0.0.0.63 any eq smtpaccess-list 110 deny tcp any eq 23int ethernet 0ip access-group 110 outWhat will the result of this access list be?

Email and Telnet will be allowed out E0.
Email and Telnet will be allowed in E0.
No IP traffic will be allowed out E0.
Everything but email and Telnet will be allowed out E0.

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