Computer Networking
Which of the following conditions is used to transmit two packets over a medium at the same time?

Contention
Synchronous
Collision
None of these
Asynchronous

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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?

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

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Computer Networking
The Internet Control Message Protocol (ICMP)

allows gateways to send error a control messages to other gateways or hosts
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
None of these
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
All of these

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