Process Questions

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41.

The SYN flooding attack belongs to a group of security attacks known as a _____ attack

A

denial of service

B

replay

C

man-in-the middle

D

none of the above

Correct Answer: A

None.

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42.

The FIN segment consumes ____ sequence numbers if it does not carry data.

A

two

B

three

C

no

D

none of the above

Correct Answer: D

None.

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43.

The FIN + ACK segment consumes _____ sequence number(s) if it does not carry data

A

two

B

three

C

one

D

none of the above

Correct Answer: C

None.

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44.

In TCP, one end can stop sending data while still receiving data. This is called a ______.

A

half-close

B

half-open

C

one-way termination

D

none of the above

Correct Answer: A

None.

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45.

A(n) _________ machine is a machine that goes through a limited number of states.

A

infinite state

B

finite state

C

both a and b

D

none of the above

Correct Answer: B

None.

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46.

_____ control regulates the amount of data a source can send before receiving an acknowledgment from the destination.

A

Error

B

Flow

C

Congestion

D

none of the above

Correct Answer: B

None.

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47.

. To accomplish flow control, TCP uses a ___________ window protocol

A

limited-size

B

sliding

C

fixed-size

D

none of the above

Correct Answer: B

None.

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48.

TCP sliding windows are __________ oriented

A

packet

B

segment

C

byte

D

none of the above

Correct Answer: C

None.

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49.

TCP delivers _______ out-of-order segments to the process

A

all

B

no

C

some

D

none of the above

Correct Answer: B

None.

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50.

If a segment carries data along with an acknowledgment, this is called _______

A

backpacking

B

piggybacking

C

piggypacking

D

none of the above

Correct Answer: B

None.

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