Computer Networking
Which of the following is the address of the router?

The TCP address
The default gateway
The subnet mask
The IP address
None of these

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Computer Networking
The physical layer, in reference to the OSI model, defines

All of these
None of these
the interface between the X.25 network and packet mode device
the virtual circuit interface to packet-switched service
data link procedures that provide for the exchange of data via frames that can be sent and received

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Computer Networking
What is the purpose of flow control?

To reassemble segments in the correct order at the destination device.
To regulate the size of each segment.
To ensure that data is retransmitted if an acknowledgment is not received.
To provide a means for the receiver to govern the amount of data sent by the sender.

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

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