Guide to TCP/IP Ch.9 Review Questions 1-20

What range of addresses traditionally defines a well-known port address?

0-1023

What range of addresses corresponds to the registered port numbers?

1024-49151

What range of addresses corresponds to the dynamic port numbers?

49152-65535

Identical UDP and TCP port numbers always map to the same TCP/IP protocol or service. True or False?

False

The current TCP window size is always the greater of what the network and the receiver can handle at any given moment. True or False?

False

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

TCP UDP

Which of the following services does UDP provide?

optional header checksum identification of source and destination port address

Which of the following mechanisms is part of TCP's error-detection and error-recovery capabilities?

retransmission timer

When the UDP checksum is calculated for IPv6, what is the result if the checksum value is 0?

the 0 is changed to the FFFF hex value and placed in the UDP header

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

the Next Header field in the UDP pseudo-header

Where is TCP data stored when it is received?

the TCP buffer area

Which of the following statements best defines a half-open connection?

the handshake process does not end with a final ACK

What makes up the value in the UDP Length field of the IPv6 pseudo-header when using UDP for the transport protocol?

the length of the UDP header

From where does the IPv6 pseudo-header acquire the information for the Upper-Layer Packet Length field when using TCP as the transport protocol?

the value in the Payload Length field in the IPv6 header

How many steps occur in the TCP handshake process?

three

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

acknowledgements sequence numbers

Which of the following services are characteristic of a connection-oriented protocol? (Choose all that apply)

connection handling delivery guarantees segmentation and reassembly explicit transmission acknowledgment

What makes TCP preferable for reliable delivery requirements?

end-to-end reliability

What is the proper response to a TCP connection termination?

host 1 returns an ACK response

The TCP process used to maintain an active connection between peers is called _____?

keep-alive