IS 435 CH 2 11e
Convert the binary number 100 to decimal. A) It is in decimal. B) 2 C) 4 D) 8
C) 4
In decimal, the binary number 110 is ________. A) 15 B) 16 C) 17 D) none of the above
D) none of the above
Which standards layer governs e-mail? A) data link B) transport C) Internet D) none of the above
D) none of the above
If a destination host receives a TCP segment with an error, it will transmit ________. A) an ACK segment B) an NAC segment C) an RSND segment D) nothing
D) nothing
Standards mean the same thing as ________. A) semantics B) syntax C) rules D) protocols
D) protocols
If a destination host receives a correct segment, it will transmit ________. A) an ACK segment B) an NAC segment C) an RSND segment D) nothing
A) an ACK segment
At what layer is encoding done? A) application B) transport C) Internet D) none of the above
A) application
ASCII has a 7-bit code. How many keyboard characters can it represent? A) 128 B) 256 C) 512 D) 1,024
A) 128
The UDP header has ________ fields. A) 4 B) 8 C) 16 D) 32
A) 4
Which of the following is an integer? A) 4,307 B) 45.7 C) both A and B D) neither A nor B
A) 4,307
Which of the following is an integer? A) 5,280 B) 98.6 C) both A and B D) neither A nor B
A) 5,280
Which of the following is a standards agency for the Internet? A) IETF B) ISO C) both A and B D) neither A nor B
A) IETF
Which of the following is a connectionless protocol? A) IP B) TCP C) both A and B D) neither A nor B
A) IP
Which standards agency is especially important for data link processes? A) ISO and ITU-T B) IETF C) Both A and B are about equally important. D) Neither A nor B are important.
A) ISO and ITU-T
A standards agency for OSI is ________. A) ITU-T B) IETF C) both A and B D) neither A nor B
A) ITU-T
Which standards agency is especially important for physical transmission processes? A) ITU-T B) IETF C) Both A and B are about equally important. D) Neither A nor B are important.
A) ITU-T
IP is ________. A) reliable B) unreliable C) semi-reliable D) unreliable or reliable depending on the situation
B) unreliable
How many alternatives can you represent with a 10-bit field? A) 256 B) 512 C) 1,024 D) none of the above
C) 1,024
A 5-bit field can represent ________ alternatives or different combinations. A) 8 B) 16 C) 32 D) 64
C) 32
In IP, the first bit in the second row is ________. A) 0 B) 31 C) 32 D) none of the above.
C) 32
Convert a decimal number 15 to the binary number. A) It is a binary number. B) 1100 C) 1101 D) 1111
D) 1111
If two hosts are connected by five point-to-point networks, how physical links will there be when one host sends a packet to the other host? A) 1 B) 2 C) 5 D) 6
D) 6
In TCP, port number fields are 16 bits long. How many possible port numbers are there? A) 16 B) 1,024 C) 16,384 D) 64,536
D) 64,536
Transmitting "Oh, My!" without the quotes in ASCII requires ________ octets. A) 2 B) 4 C) 6 D) 7
D) 7
To know what kind of message is in the Ethernet II data field, the receiver must look in the ________ field. A) source address B) destination address C) data D) EtherType
D) EtherType
Which standards agency creates Internet standards? A) OSI B) TCP/IP C) ITU-T D) IETF
D) IETF
At what layer will you find standards for IP addresses? A) application B) data link C) transport D) Internet
D) Internet
At what layer will you find standards for packets? A) application B) data link C) transport D) Internet
D) Internet
At what layer will you find standards for routes? A) application B) data link C) transport D) Internet
D) Internet
HTTP is ________. A) connection-oriented. B) reliable C) both A and B D) neither A nor B
D) neither A nor B
ISO standards are dominant in the OSI-TCP/IP layered standards architecture at the ________ layer. A) transport B) Internet C) both A and B D) neither A nor B
D) neither A nor B
Which layer(s) governs transmission through the Internet? A) data link B) physical C) both A and B D) neither A nor B
D) neither A nor B
Which of the following is a socket? A) 80 B) 21 C) both A and B D) neither A nor B
D) neither A nor B
Which standards layer governs multiuser word processing programs? A) data link B) transport C) Internet D) none of the Above
D) none of the Above
Which standards layer governs the World Wide Web? A) data link B) transport C) Internet D) none of the Above
D) none of the Above
A sending host will retransmit a TCP segment if it ________. A) receives an ACK segment B) receives an NAC segment C) receives an RPT segment D) none of the above
D) none of the above
How many bytes will it take to transmit "Brain Dead" without the quotation marks? A) 2 B) 3 C) 9 D) none of the above
D) 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
D) none of the above
If a destination host does not receive a segment, it will ________. A) transmit an ACK segment B) transmit an NAC segment C) transmit an RSND segment D) none of the above
D) none of the above
If a destination host receives an incorrect segment, it will ________. A) transmit an ACK segment B) transmit an NAC segment C) transmit an RSND segment D) none of the above
D) none of the above
For every conversation, a client randomly generates an ephemeral port number for ________. A) applications B) conversations C) the server D) none of the above
B) conversations
At what layer will you find standards for EUI-48 addresses? A) application B) data link C) transport D) Internet
B) data link
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) well-known B) ephemeral C) both A and B D) neither A nor B
B) ephemeral
The range of port 1024 to port 4999 is the usual range for ________ port numbers. A) well-known B) ephemeral C) both A and B D) neither A nor B
B) ephemeral
TCP has single-bit fields in its headers; these single-bit fields are called ________ fields. A) port B) flag C) ACK D) binary
B) flag
After the side wishing to close a TCP connection sends a FIN segment, it will ________. A) not send any more segments B) only send ACK segments C) only send FIN segments D) none of the above
B) only send ACK segments
Which layer governs wires? A) transport B) physical C) Internet D) none of the above
B) physical
The destination socket is 60.171.18.22:161. The destination host is a(n) ________. A) client B) server C) well-known server D) ephemeral server
B) server
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) 1 B) 2 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
To represent 65 alternatives, your alternatives field would have to be at least ________ bits long. A) 5 B) 6 C) 7 D) 8
C) 7
Which of the following is a standards agency? A) OSI B) TCP/IP C) ITU-T D) all of the above
C) ITU-T
Network standards provide ________. A) strobing B) synchronization C) interoperability D) entanglement
C) interoperability
TCP messages are called ________. A) frames B) packets C) segments D) fragments
C) segments
Which part of a message is included less frequently when compared to the other two parts? A) header B) data field C) trailer D) All of the above are equally included in messages.
C) trailer
If you add one bit to an alternatives field, you can have ________. A) one more alternative B) two more alternatives C) twice as many alternatives D) none of the above
C) twice as many alternatives
T/F A TCP segment can both send information and acknowledge an earlier message sent to its host.
TRUE
T/F A header is defined as everything that comes before the data field.
TRUE
T/F A trailer is defined as everything that comes after the data field
TRUE
T/F HTTP is a connectionless protocol.
TRUE
T/F If you change a standard at one layer, you are not required to change standards at other layers.
TRUE
T/F TCP is a connection-oriented protocol.
TRUE
T/F The IP standard calls for IP packets to be carried in the Ethernet II version of the Ethernet frame.
TRUE
T/F The internet process checks for errors.
TRUE
In an HTTP, which one (browser or Webserver application program) transmits message first? A) browser B) Webserver application program C) They transmit simultaneously. D) It depends on the situation.
A) browser
The source socket is 60.171.18.22:2707. The source is a(n) ________. A) client B) server C) well-known server D) ephemeral server
A) client
Network standards ________. A) decrease equipment prices B) prevent the growth of new features C) both A and B D) neither A nor B
A) decrease equipment prices
If the destination internet process detects an error, it ________. A) discards the packet B) sends back a segment notifying the sender C) both A and B D) neither A nor B
A) discards the packet
IETF standards typically begin as simple protocols which ________. A) enhances development speed B) prevents longer-term development C) both A and B D) neither A nor B
A) enhances development speed
A message always has a ________. A) header B) data field C) both A and B D) neither A nor B
A) header
SYN segments have ________. A) headers B) headers and data fields C) headers, data fields, and trailers D) data fields only
A) headers
IETF standards are dominant in the OSI-TCP/IP layered standards architecture at the ________ layer. A) data link B) transport C) both A and B D) neither A nor B
B) transport
Which layer processes application message fragmentation? A) application B) transport C) Internet D) all of the above
B) transport
Ethernet has a Frame Check Sequence Field to check for errors. Ethernet is ________. A) reliable B) unreliable C) both A and B D) neither A nor B
B) unreliable
"Octet" is the same as ________. A) "bit" B) "byte" C) either A or B, depending on the context D) neither A nor B
B) "byte"
If someone says that a 1-bit flag is set, it is given the value ________. A) 0 B) 1 C) either 0 or 1 D) neither 0 or 1
B) 1
Convert decimal 8 to binary. A) 100 B) 1000 C) 10000 D) 111
B) 1000
During a connection opening, how many TCP segments will the side that initiates the connection send? A) 1 B) 2 C) 3 D) 4
B) 2
The five senses can be represented with a ________-bit field. A) 2 B) 3 C) 4 D) 5
B) 3
Which standards agency is especially important for Internet supervisory processes? A) ISO and ITU-T B) IETF C) Both A and B are about equally important. D) Neither A nor B are important.
B) IETF
Which standards agency is especially important for internet processes? A) ITU-T B) IETF C) Both A and B are about equally important. D) Neither A nor B are important.
B) IETF
Which standards agency is especially important for transport processes? A) ISO and ITU-T B) IETF C) Both A and B are about equally important. D) Neither A nor B are important.
B) IETF
At what layer will you find standards for routers? A) transport B) Internet C) both A and B D) neither A nor B
B) Internet
Which of the following protocols is reliable? A) IP B) TCP C) both A and B D) neither A nor B
B) TCP
It is typically advantageous to change a standard if the layer ________ gets an upgraded standard. A) above it B) below it C) at least two layers away D) none of the above
B) below it
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) ACK B) SYN C) SYN/ACK D) none of the above
C) SYN/ACK
At what layer will you find standards for access points? A) physical B) data link C) both A and B D) neither A nor B
C) both A and B
From which standards architectures do organizations typically take their standards? A) OSI B) TCP/IP C) both A and B D) neither A nor B
C) both A and B
In a four-step close, which side transmits a FIN segment? A) the side that initiates the close B) the side that does not initiate the close C) both A and B D) neither A nor B
C) both A and B
UDP ________. A) is unreliable B) has a checksum field C) both A and B D) neither A nor B
C) both A and B
Which layer(s) governs transmission through a single network? A) data link B) physical C) both A and B D) neither A nor B
C) both A and B
In the Ethernet II frame, the IP packet is carried in the ________ field. A) source address B) destination address C) data D) EtherType
C) data
The ________ contains the content being delivered by a message. A) address field B) header C) data field D) trailer
C) data field
Converting application messages into bits is called ________. A) encapsulation B) encryption C) encoding D) exchange
C) encoding
Which of the following is an architecture? A) ISO B) IETF C) both A and B D) neither A nor B
D) neither A nor B
Which standards layer governs peer-to-peer file sharing? A) data link B) transport C) Internet D) none of the Above
D) none of the Above
T/F "Header" means the same thing as "Header Field."
FALSE
T/F Ethernet syntax is displayed 32 bits on a line.
FALSE
T/F HTTP is a reliable protocol.
FALSE
T/F Only applications from the IETF are likely to be able to run over TCP.
FALSE
T/F The application layer processes application message fragmentation.
FALSE
T/F There is always a data field in a message.
FALSE
If two hosts are connected by five networks, how many packets will there be when one host sends a packet to the other host? A) 1 B) 2 C) 5 D) 7
A) 1
Internet standards are published as ________. A) RFCs B) IETFs C) TCP/IPs D) Internet Protocols
A) RFCs
Which of the following is NOT one of the three general parts of messages? A) address field B) header C) data field D) trailer
A) address field
On a server, well-known port numbers indicate ________. A) applications B) connections with client computers C) both A and B D) neither A nor B
A) applications
In HTTP, which program may initiate communication? A) browser B) Webserver program C) both A and B D) neither A nor B
A) browser
TCP control segments normally have ________. A) headers B) headers and data fields C) headers, data fields, and trailers D) none of the above
A) headers
Not making all protocols reliable ________. A) reduces cost B) is very dangerous C) is widely viewed as having been a mistake D) none of the above
A) reduces cost
Standards layers provide services directly to ________. A) the next-higher layer B) the next-lower layer C) all layers D) only themselves
A) the next-higher layer
