protocol analysis Quiz 4

• Question 1
1 out of 1 points

What range of addresses corresponds to the registered port numbers?
Selected Answer:
1024 to 49151
Correct Answer:
1024 to 49151

• Question 2
1 out of 1 points

Which of the following TCP/IP protocols are Transport layer protocols? (Choose all that apply.)

TCP

UDP
Correct Answers:
TCP

UDP

• Question 3
1 out of 1 points

What is the initial size of the TCP congestion window?
Selected Answer:
twice the sender’s MSS
Correct Answer:
twice the sender’s MSS

• Question 4
1 out of 1 points

Which of the following values are valid TCP Flag settings? (Choose all that apply.)
Selected Answers:
SYN

ACK

FIN

PSH
Correct Answers:
SYN

ACK

FIN

PSH

• Question 5
1 out of 1 points

What makes up the value in the UDP Length field of the IPv6 pseudo-header when using UDP for the transport protocol?
Selected Answer:
the length of the UDP header plus the data
Correct Answer:
the length of the UDP header plus the data

• Question 6
1 out of 1 points

The TCP process used to maintain an active coincorrectection between peers is called.
Selected Answer:
keep-alive
Correct Answer:
keep-alive

• Question 7
1 out of 1 points

Where is TCP data stored when it is received?
Selected Answer:
in the TCP buffer area
Correct Answer:
in the TCP buffer area

• Question 8
1 out of 1 points

Which of the following statements best defines a half-open connection?
Selected Answer:
The handshake process does not end with a final ACK.
Correct Answer:
The handshake process does not end with a final ACK.

• Question 9
1 out of 1 points

What range of addresses corresponds to the dynamic port numbers?
Selected Answer:
49152 to 65535
Correct Answer:
49152 to 65535

• Question 10

In an IPv6 header with five extension headers and a UDP pseudo-header, which Next Header field points to the UDP pseudo-header?
Correct Answer:
the Next Header field in the last extension header

• Question 11
1 out of 1 points

Identical UDP and TCP port numbers always map to the same TCP/IP protocol or service.
Selected Answer:
False
Correct Answer:
False

• Question 12
1 out of 1 points

Which of the following services are characteristic of a connectection-oriented protocol? (Choose all that apply.)
Selected Answers:
connection handling

delivery guarantees

segmentation and reassembly

explicit transmission acknowledgment
Correct Answers:
connection handling

delivery guarantees

segmentation and reassembly

explicit transmission acknowledgment

• Question 13
1 out of 1 points

How many steps occur in the TCP handshake process?
Selected Answer:
three
Correct Answer:
three

• Question 14
1 out of 1 points

Which of the following mechanisms is part of TCP’s error-detection and error-recovery capabilities?
Selected Answer:
retransmission timer
Correct Answer:
retransmission timer

• Question 15
1 out of 1 points

The current TCP window size is always the greater of what the network and the receiver can handle at any given moment.
Selected Answer:
False
Correct Answer:
False

• Question 16
1 out of 1 points

What does TCP use to track the transfer of data and its successful delivery? (Choose all that apply.)

acknowledgments

sequence numbers
Correct Answers:
acknowledgments

sequence numbers

• Question 17
1 out of 1 points

What is the proper response to a TCP coincorrectection termination?
Selected Answer:
Host 1 returns an ACK response.1
Correct Answer:
Host 1 returns an ACK response.1

• Question 18
1 out of 1 points

What makes TCP preferable for reliable delivery requirements?
Selected Answer:
end-to-end reliability
Correct Answer:
end-to-end reliability

• Question 19
1 out of 1 points

What range of addresses traditionally defines a well-known port address?
Selected Answer:
O to 1023
Correct Answer:
O to 1023

• Question 20
1 out of 1 points

Which of the following services does UDP provide?
Selected Answer:
identification of source and destination port addresses
Correct Answer:
identification of source and destination port addresses

• Question 21
1 out of 1 points

Which statements define the edges of the TCP sliding window mechanism? (Choose all that apply.)
Selected Answer:
all data that was acknowledged
Correct Answer:
all data that was acknowledged