Computer Networking
The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

Network Access
Application
Internet
Host-to-Host

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

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

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