Computer Networking
Which of the following summation operations is performed on the bits to check an error-detecting code?

Codec
Checksum
Coder-decoder
Attenuation
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions

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

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