Computer Networking
What does the passive command provide to dynamic routing protocols?

Stops an interface from sending or receiving periodic dynamic updates.
Stops an interface from sending periodic dynamic updates but not from receiving updates.
Stops the router from sending any dynamic updates.
Stops the router from receiving any dynamic updates.

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Computer Networking
A front-end processor is

None of these
a user computer system
preliminary processor of batch jobs.
a processor in a large-scale computer that executes operating system instructions
a minicomputer that relieves main-frame computers at a computer centre of communications control functions

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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 provide a means for the receiver to govern the amount of data sent by the sender.
To ensure that data is retransmitted if an acknowledgment is not received.
To regulate the size of each segment.

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