Computer Networking
After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?

Facsimile
Telex
None of these
Electronic mail
Word processor

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Computer Networking
You get a call from a network administrator who tells you that he typed the following into his router:Router (config) #router ospf 1Router (config-router) #network 10.0.0.0 255.0.0.0 area 0He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?

The wildcard mask is incorrect.
The OSPF area is wrong.
The AS configuration is wrong.
The OSPF Process ID is incorrect.

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Computer Networking
The Internet Control Message Protocol (ICMP)

None of these
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
All of these
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another

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