Process Questions

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11.

Which of the following functions does UDP perform?

A

process-to-process communication

B

host-to-host communication

C

end-to-end reliable data delivery

D

none of the above

Correct Answer: A

None.

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12.

When the IP layer of a receiving host receives a datagram, _______

A

delivery is complete

B

a transport layer protocol takes over

C

a header is added

D

none of the above

Correct Answer: B

None.

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13.

UDP needs the _______ address to deliver the user datagram to the correct application process

A

port

B

application

C

internet

D

none of the above

Correct Answer: A

None.

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14.

A port address in UDP is _______bits long.

A

8

B

16

C

32

D

any of the above

Correct Answer: B

None.

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15.

Which of the following does UDP guarantee?

A

flow control

B

connection-oriented delivery

C

flow control

D

none of the above

Correct Answer: D

None.

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16.

The source port address on the UDP user datagram header defines _______

A

the sending computer

B

the receiving computer

C

the process running on the sending computer

D

none of the above

Correct Answer: C

None.

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17.

The combination of an IP address and a port number is called a ____________

A

transport address

B

network address

C

socket address

D

none of the above

Correct Answer: C

None.

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18.

To use the services of UDP, we need ________ socket addresses

A

four

B

two

C

three

D

none of the above

Correct Answer: B

None.

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19.

UDP packets are called __________

A

user datagrams

B

segments

C

frames

D

none of the above

Correct Answer: A

None.

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20.

. UDP packets have a fixed-size header of _______ bytes

A

6

B

8

C

40

D

none of the above

Correct Answer: B

None.

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