CSC 334 test 2 questions

Only applications from the IETF are likely to be able to run over TCP. Group of answer choices True False

False

The application layer processes application message fragmentation. True False

False

TCP is a connection-oriented protocol. True False

True

"Octet" is the same as ________. a) either "bit" or "byte", depending on the context b) "byte" c) "bit" d) neither "bit" nor "byte"

b) "byte"

If a destination host receives an incorrect segment, it will ________. a) transmit an ACK segment b) None of these c) transmit an NAC segment d) transmit an RSND segment

b) None of these

For every conversation, a client randomly generates an ephemeral port number for ________. a) None of these b) conversations c) applications d) the server

b) conversations

At what layer will you find standards for frames? a) application b) data link c) transport d) Internet

b) data link

At what layer will you find standards for switches? a) application b) data link c) transport d) Internet

b) data link

2500 is in the range for ________ port numbers. a) neither well-known nor ephemeral b) ephemeral c) both well-known and ephemeral d) well-known

b) ephemeral

A message always has a ________. a) neither header nor data field b) header c) both header and data field d) data field

b) header

Which layer(s) governs transmission through the Internet? a) physical b) neither data link nor physical c) both data link and physical d) data link

b) neither data link nor physical

The destination socket is 60.171.18.22:161. The destination host is a(n) ________. a) client b) server c) ephemeral server d) well-known server

b) server

Which layer processes application message fragmentation? a) application b) transport c) Internet d) All of these

b) transport

Which layer governs wires? a) Internet None of these transport Physical

Physical

At what layer will you find standards for packets? a) Transport b) Internet c) Application d) Datalink

b) Internet

Which part of a message is included less frequently when compared to the other two parts? a) All of these are equally included in messages. b) data field c) header d) trailer

d) trailer

A header is defined as everything that comes before the data field. True False

True

A trailer is defined as everything that comes after the data field. True False

True

The internet process checks for errors. True False

True

If a destination host does not receive a segment, it will ________. a) None of these b) transmit a NAC segment c) transmit an RSND segment d) transmit an ACK segment

a) None of these

Which standards layer governs e-mail? Group of answer choices a) None of these b) Transport c) Internet d) Datalink

a) None of these

Which standards layer governs the World Wide Web? Group of answer choices a) None of these b) Internet c) Transport d) Data link

a) None of these

If a destination host receives a correct segment, it will transmit ________. a) an ACK segment b) nothing c) an NAC segment d) an RSND segment

a) an ACK segment

Which layer(s) governs transmission through a single network? Group of answer choices a) both data link and physical b) data link c) physical d) neither data link nor physical

a) both data link and physical

At what layer will you find standards for EUI-48 addresses? a) data link b) application c) Internet d) transport

a) data link

If the destination internet process detects an error, it ________. a) discards the packet b) both discards the packet and sends back a segment notifying the sender c) neither discards the packet nor sends back a segment notifying the sender d) sends back a segment notifying the sender

a) discards the packet

SYN segments have ________. a) headers b) headers, data fields, and trailers c) data fields only d) headers and data fields

a) headers

Which of the following is a socket? a) neither 80 nor 21 b) 80 c) 21 d) both 80 and 21

a) neither 80 nor 21

HTTP is ________. a) neither connection-oriented nor reliable b) connection-oriented. c) reliable d) both connection-oriented and reliable

a) neither connection-oriented nor reliable

IP is ________. a) unreliable b) semi-reliable c) reliable d) unreliable or reliable depending on the situation

a) unreliable

If two hosts are connected by five networks, how many routers will there be when one host sends a packet to the other host? a) 2 b) 1 c) 4 d) 5

c) 4

If two hosts are connected by five networks, how many frames will there be when one host sends a packet to the other host? a) 1 b) 2 c) 5 d) 6

c) 5

A sending host will retransmit a TCP segment if it ________. a) receives an NAC segment b) receives an RPT segment c) None of these d) receives an ACK segment

c) None of these

If a destination host does not receive a segment, it will ________. a) transmit an ACK segment b) transmit an NAC segment c) None of these d) transmit an RSND segment

c) None of these

Which standards layer governs multiuser word processing programs? a) transport b) data link c) None of these d) Internet

c) None of these

In a four-step close, which side transmits a FIN segment? a) the side that does not initiate the close b) neither the side that initiates the close nor the side that does not initiate the close c) both the side that initiates the close and the side that does not initiate the close d) the side that initiates the close

c) both the side that initiates the close and the side that does not initiate the close

The source socket is 60.171.18.22:2707. The source is a(n) ________. a) well-known server b) ephemeral server c) client d) server

c) client

TCP messages are called ________. a) fragments b) frames c) segments d) packets

c) segments

During a connection opening, how many TCP segments will the side that initiates the connection send? a) 1 b) 3 c) 4 d) 2

d) 2

TCP control segments normally have ________. a) None of these b) headers, data fields, and trailers c) headers and data fields d) Headers

d) Headers

Which standards layer governs peer-to-peer file sharing? a) data link b) transport c) Internet d) None of these

d) None of these

Host P transmits a SYN segment to Host Q. If host Q is willing to open the connection, it will transmit a(n) ________ segment. a) SYN b) None of these c) ACK d) SYN/ACK

d) SYN/ACK

IETF standards are dominant in the OSI-TCP/IP layered standards architecture at the ________ layer. a) both the data link and transport b) data link c) neither data link nor transport d) Transport

d) Transport

UDP ________. a) has a checksum field b) neither is unreliable nor has a checksum field c) is unreliable d) both is unreliable and has a checksum field

d) both is unreliable and has a checksum field

In HTTP, which program may initiate communication? a) Webserver program b) neither browser nor Webserver program c) both browser and Webserver program d) browser

d) browser

In an HTTP, which one (browser or Webserver application program) transmits message first? a) It depends on the situation. b) They transmit simultaneously. c) Webserver application program d) browser

d) browser

TCP has single-bit fields in its headers; these single-bit fields are called ________ fields. a) binary b) port c) ACK d) flag

d) flag

If a destination host receives a TCP segment with an error, it will transmit ________. a) an ACK segment b) an RSND segment c) an NAC segment d) nothing

d) nothing