Computer Networking
An error-detecting code inserted as a field in a block of data to be transmitted is known as

Checksum
None of these
Frame check sequence
flow control
Error detecting code

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Computer Networking
Which of the following is true when describing a multicast address?

Packets are delivered to all interfaces identified by the address. This is also called a one-to-many address.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets addressed to a unicast address are delivered to a single interface.
Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many.

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Computer Networking
Synchronous protocols

None of these
transmit characters one at a time
are generally used by personal computers
are more reliable
allow faster transmission than asynchronous protocols do

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