Computer Networking
What does the command o/r 0x2142 provide?

It is used to bypass the configuration in NVRAM.
It is used to enter ROM Monitor mode.
It is used to view the lost password.
It is used to restart the router.

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Computer Networking
A front-end processor is

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

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Computer Networking
Which of the following technique is used for fragment?

a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
All of these
one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
a technique used in best-effort delivery systems to avoid endlessly looping packets
None of these

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Computer Networking
X.21 is

network access standard for connecting stations to a circuit-switched network
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
a method access control technique for multiple-access transmission media
None of these

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