Computer Networking
Operating system functions may include

None of these
virtual storage
input/output control
multiprogramming
All of these

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

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 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
None of these
a technique used in best-effort delivery systems to avoid endlessly looping packets.

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Computer Networking
You have your laptop directly connected into a router's Ethernet port. Which of the following are among the requirements for the copy flash tftp command to be successful?1. TFTP server software must be running on the router.2. TFTP server software must be running on your laptop.3. The Ethernet cable connecting the laptop directly into the router's Ethernet port must be a straight-through cable.4. The laptop must be on the same subnet as the router's Ethernet interface.5. The copy flash tftp command must be supplied the IP address of the laptop.

1, 3 and 4
3 and 5 only
2, 4 and 5
5 only

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Computer Networking
The main difference between synchronous and asynchronous transmission is

the bandwidth required is different
the clocking is mixed with the data in asynchronous transmission
the clocking is derived from the data in synchronous transmission
None of these
the pulse height is different.

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