Business data networks and security chapter 2

48 bits long

EUI-48 addresses are ________.

SYN/ACK

Host P transmits a SYN segment to Host Q. If host Q is willing to open the connection, it will transmit a(n) ________ segment.

transmit an RSND segment

If the destination host receives a segment that has an error, it will ________.

browser

In HTTP, which program may initiate communication?

byte

"Octet" is the same as ________.

MAC

An EUI-48 address was formerly called a(n) ________ address

header

A message always has a ________.

meaning

A message's semantics is its ________.

structure

A message's syntax is its ________.

none of the above

A sending host will retransmit a TCP segment if it ________. A) receives an ACK segment B) receives a NAC segment C) receives an RPT segment D) none of the above

send ACK segments

After the side wishing to close a TCP connection sends a FIN segment, the other side will

syntax

How a message is organized is its

none of the above

If a destination host does not receive a segment, it will ________. A)transmit an ACK segment B) transmit a NAC segment C) transmit an RSND segment D) none of the above

either side

In a four-step close, which side transmits a FIN segment? A) the side that initiates the close B) the other side C) either side D) neither side

browser

In an HTTP, which one (browser or Webserver application program) transmits message first?

RFCs

Internet standards are published as

semantics , syntax

Standards govern

protocols

Standards mean the same thing as

data field

The ________ contains the content being delivered by a message.

semantics

The meaning of a message is referred to as the message's

address field

Which of the following is inside the header of messages?

trailer

Which part of a message is less often in a message compared to the other two parts?