Process Questions

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31.

TCP assigns a sequence number to each segment that is being sent. The sequence number for each segment is the number of the _______ byte carried in that segment.

A

first

B

last

C

middle

D

none of the above

Correct Answer: A

None.

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32.

Communication in TCP is ___________

A

simplex

B

half-duplex

C

full-duplex

D

none of the above

Correct Answer: C

None.

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33.

The value of the acknowledgment field in a segment defines the number of the ______byte a party expects to receive

A

first

B

last

C

next

D

none of the above

Correct Answer: C

None.

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34.

The acknowledgment number is ________

A

independent

B

randomly generated

C

cumulative

D

none of the above

Correct Answer: C

None.

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35.

The value of the window size is determined by _________

A

the sender

B

the receiver

C

both the sender and receiver

D

none of the above

Correct Answer: B

None.

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36.

The inclusion of the checksum in the TCP segment is ________

A

optional

B

mandatory

C

at the discretion of the application program

D

none of the above

Correct Answer: B

None.

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37.

A TCP segment is encapsulated in __________

A

an IP datagram

B

an Ethernet frame

C

a UDP user datagram

D

none of the above

Correct Answer: A

None.

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38.

Connection establishment in TCP is called __________ handshaking

A

two-way

B

four-way

C

one-way

D

none of the above

Correct Answer: D

None.

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39.

An ACK segment, if carrying no data, consumes ______ sequence number(s).

A

no

B

one

C

two

D

none of the above

Correct Answer: A

None.

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40.

The connection establishment procedure in TCP is susceptible to a serious security problem called the _________ attack.

A

ACK flooding

B

FIN flooding

C

SYN flooding

D

none of the above

Correct Answer: C

None.

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