Computer Networking
The Internet Control Message Protocol (ICMP)

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

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Computer Networking
Which of the following is true regarding access lists applied to an interface?

You can apply only one access list on any interface.
One access list may be configured, per direction, for each layer 3 protocol configured on an interface.
You can place as many access lists as you want on any interface until you run out of memory.
You can apply two access lists to any interface.

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Computer Networking
RS-232-G

None of these
is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
specifies only the mechanical characteristics of an interface by providing a 25-pin connector
is an interface between two data circuit terminating equipment as examplified by a local and remote modem

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