Deck 2: Network Standards

Question 1

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

A)protocol
B)order
C)syntax
D)semantics

Answer 1

D

Question 2

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

Answer 2

C

Question 3

A message always has a ________.

A)header
B)data field
C)both A and B
D)neither A nor B

Answer 3

A

Question 4

"Octet" is the same as ________.

A)"bit"
B)"byte"
C)either A or B, depending on the context
D)neither A nor B

Question 5

Standards govern ________.

A)semantics
B)syntax
C)both A and B
D)neither A nor B

Question 6

Internet standards are published as ________.

A)RFCs
B)IETFs
C)TCP/IPs
D)Internet Protocols

Question 7

Standards mean the same thing as ________.

A)semantics
B)syntax
C)rules
D)protocols

Question 8

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

A)header
B)data field
C)trailer
D)All of the above are commonly seen in all messages.

Question 9

In HTTP,which program may initiate communication?

A)browser
B)Webserver program
C)both A and B
D)neither A nor B

Question 10

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

A)transmit an ACK segment
B)transmit a NAC segment
C)transmit an RSND segment
D)none of the above

Question 11

How a message is organized is its ________.

A)protocol
B)order
C)syntax
D)semantics

Question 12

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

Question 13

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.

Question 14

A message's syntax is its ________.

A)protocol
B)message order
C)meaning
D)structure

Question 15

Which of the following is inside the header of messages?

A)address field
B)IP address field
C)data field
D)trailer

Question 16

The ________ contains the content being delivered by a message.

A)address field
B)header
C)data field
D)trailer

Question 17

A message's semantics is its ________.

A)protocol
B)message order
C)meaning
D)structure

Question 18

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

Question 19

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

Question 20

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

A)not send any more segments
B)only send ACK segments
C)only send FIN segments
D)none of the above

Question 21

2500 is in the range for ________ port numbers.

A)well-known
B)ephemeral
C)both A and B
D)neither A nor B

Question 22

The UDP ________.

A)is unreliable
B)has a checksum field
C)both A and B
D)neither A nor B

Question 23

TCP has six single-bit fields in headers and these single-bit fields are called ________ fields.

A)port
B)flag
C)ACK
D)binary

Question 24

For every conversation,a client randomly generates an ephemeral port number for ________.

A)applications
B)conversations
C)both A and B
D)neither A nor B

Question 25

UDP is ________.

A)reliable
B)unreliable
C)It depends on the situation.
D)none of the above

Question 26

________ read(s)the destination address in an Ethernet frame.

A)The destination host
B)Switches in the network
C)both A and B
D)neither A nor B

Question 27

TCP messages are called ________.

A)segments
B)fragments
C)packets
D)datagrams

Question 28

To make a forwarding decision,a router looks at the arriving packet's ________.

A)destination IP address
B)destination EUI-48 address
C)both A and B
D)MAC addresses

Question 29

IP is ________.

A)reliable
B)unreliable
C)semi-reliable
D)unreliable or reliable depending on the situation

Question 30

The UDP has ________ fields.

A)4
B)8
C)16
D)32

Question 31

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

Question 32

EUI-48 addresses are ________.

A)32 bits long
B)48 bits long
C)128 bits long
D)Address length varies.

Question 33

In IP,the first bit in the second row is ________.

A)0
B)31
C)32
D)63

Question 34

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

Question 35

If someone says that a 1-bit flag is set,this means that it is given the value ________.

A)0
B)1
C)either A or B
D)neither A nor B

Question 36

If the destination host finds an error in an Ethernet frame,it ________.

A)sends back a NAK
B)sends back a ACK
C)both A and B
D)neither A nor B

Question 37

Ethernet does ________.

A)error detection
B)error correction
C)both A and B
D)neither A nor B

Question 38

How long are IPv4 addresses?

A)4 bits
B)32 bits
C)48 bits
D)128 bits

Question 39

How long are IPv4 addresses in octets?

A)4 octets
B)32 octets
C)48 octets
D)128 octets

Question 40

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

A)IPv4
B)IPv6
C)MAC
D)DNS

Question 41

Convert a decimal number 15 to the binary number.

A)It is a binary number.
B)1100
C)1101
D)1111

Question 42

An HTTP request message usually has a ________.

A)header
B)data field
C)both A and B
D)neither A nor B

Question 43

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

Question 44

A 5-bit field can represent ________ alternatives or different combinations.

A)8
B)16
C)32
D)64

Question 45

At which layer would you find file transfer protocol (FTP)standards for downloading files from an FTP server?

A)application
B)transport
C)Internet
D)none of the above

Question 46

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

Question 47

Converting application messages into bits is called ________.

A)encapsulation
B)encryption
C)encoding
D)exchange

Question 48

At which layer would you find standards for requesting videos from a video-sharing site such as YouTube?

A)application
B)transport
C)Internet
D)none of the above

Question 49

Which of the following layers has more standards than the other three layers?

A)data link
B)Internet
C)transport
D)application

Question 50

The source socket is 60.171.18.22:2707.The source host is a(n)________.

A)client
B)server
C)well-known server
D)ephemeral server

Question 51

Convert decimal 8 to binary.

A)100
B)1000
C)10000
D)111

Question 52

An HTTP response message usually has a ________.

A)trailer
B)data field
C)both A and B
D)neither A nor B

Question 53

Which of the following is a socket?

A)80
B)21
C)both A and B
D)neither A nor B

Question 54

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

Question 55

In HTTP,the end of a header field is usually indicated by a ________.

A)bit position
B)CRLF
C)colon
D)blank line

Question 56

In HTTP headers,the end of a header field is usually indicated by a ________.

A))
B):
C);
D)none of the above

Question 57

At what layer is encoding done?

A)application
B)transport
C)Internet
D)none of the above

Question 58

Which of the following is an integer?

A)4,307
B)45.7
C)both A and B
D)neither A nor B

Question 59

Convert the binary number 100 to decimal.

A)It is in decimal.
B)2
C)4
D)8

Question 60

The application standard is almost always ________.

A)HTTP
B)TCP
C)reliable
D)None of the above is true.

Question 61

________ is placing a message in the data field of another message.

A)Encoding
B)Vertical communication
C)Layering
D)Encapsulation

Question 62

To represent 65 alternatives,your alternatives field would have to be at least ________ bits long.

A)5
B)6
C)7
D)8

Question 63

The electrical signal generated by a microphone is called a(n)________ signal.

A)binary
B)digital
C)analog
D)Either A or B.

Question 64

A 7-bit field can represent ________ alternatives or different combinations.

A)14
B)49
C)128
D)256

Question 65

A codec ________.

A)encodes voice sounds into digital signals for transmission
B)encodes voice sounds into analog signals for transmission
C)encrypts the signal
D)converts binary voice signals into digital signals for transmission

Question 66

The five senses can be represented with a ________-bit field.

A)2
B)3
C)4
D)5

Question 67

Which layer process does NOT do any encapsulation when an application layer process transmits a message?

A)physical
B)data link
C)Internet
D)All layers do encapsulation.

Question 68

After the Internet layer process does encapsulation,it passes the IP packet to the ________ layer process.

A)transport
B)data link
C)physical
D)none of the above

Question 69

After the data link layer process does encapsulation,it passes the IP packet to the ________ layer process.

A)physical
B)internet
C)transport
D)none of the above