Computer Networking
What can cause a problem with communication with a client by name but not by IP address?

None of these
Static files such as an LMHOSTS file or a DNS database
The default gateway
The IP address
Subnet mask

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

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

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