Computer Networking
What is the result of segmenting a network with a bridge (switch)?1. It increases the number of collision domains.2. It decreases the number of collision domains.3. It increases the number of broadcast domains.4. It decreases the number of broadcast domains.5. It makes smaller collision domains.6. It makes larger collision domains.

2, 3 and 5
1 and 5
1, 3 and 6
3, 4 and 6

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Computer Networking
HDLC (High-level Data Link Control) is

None of these
a method access control technique for multiple-access transmission media
a very common bit-oriented data link protocol issued by ISO.
a method of determining which device has access to the transmission medium at any time
network access standard for connecting stations to a circuit-switched network

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

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

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