protocol analysis Quiz 1

• Question 1

Which of the following items represent design goals that motivated the development of TCP/IP? (Choose all that apply)
Selected Answers:
robust network architecture

reliable delivery mechanisms

ability of dissimilar systems to exchange data
Correct Answers:
robust network architecture

reliable delivery mechanisms

ability of dissimilar systems to exchange data

support for long-haul connections

• Question 2

Which of the following terms is a synonym for a dynamically assigned port address’ used to service a temporary TCP/IP coincorrectection for data exchange?

Correct Answer:
registered port address

• Question 3
1 out of 1 points

Which of the following TCP/IP network model layers maps most nearly to single layers in the ISO/OSI network reference model?
Selected Answer:
TCP/IP Transport layer
Correct Answer:
TCP/IP Transport layer

• Question 4
1 out of 1 points

Which of the following terms represent parts of a PDU that are always present in any PDU? (Choose all that apply)
Selected Answers:
header

payload
Correct Answers:
header

payload

• Question 5
1 out of 1 points

The process of combining multiple outgoing protocol streams at the Transport and Network layers in TCP/IP is called ___________ .
Selected Answer:
multiplexing
Correct Answer:
multiplexing

• Question 6
1 out of 1 points

Which of the following components operate at the Physical layer? (Choose all that apply)
Selected Answers:
network interface controllers (NICs)

connectors

cables
Correct Answers:
network interface controllers (NICs)

connectors

cables

• Question 7
1 out of 1 points

Which of the following features are typical for most protocol analyzers? (Choose all that apply.)
Selected Answers:
Packet filters may be applied to incoming data before capture or to store data after capture.

Decodes may be applied to packets in the trace buffer.

Alarms may be set to flag unusual network events or conditions.
Correct Answers:
Packet filters may be applied to incoming data before capture or to store data after capture.

Decodes may be applied to packets in the trace buffer.

Alarms may be set to flag unusual network events or conditions.

• Question 8
1 out of 1 points

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

TCP

UDP
Correct Answers:
TCP

UDP

• Question 9
1 out of 1 points

Which of the following steps must a Standard RFC go through to become an official standard? (Choose all that apply)
Selected Answers:
Draft Standard

Historic Standard

Proposed Standard

” Standard (sometimes called “”Internet Standard”””
Correct Answers:
Draft Standard

Historic Standard

Proposed Standard

” Standard (sometimes called “”Internet Standard”””

• Question 10
1 out of 1 points

In UNIX terminology’ a listener process that operates on a server to handle incoming requests for services is called a ___________ .
Selected Answer:
daemon
Correct Answer:
daemon

• Question 11
1 out of 1 points

What is the common name for PDUs at the Data Link layer?
Selected Answer:
frames
Correct Answer:
frames

• Question 12
1 out of 1 points

A packet filter that’s applied to incoming data in a protocol analyzer may be called a ___________ . (Choose all that apply.)
Selected Answers:
capture filter

pre-filter
Correct Answers:
capture filter

pre-filter

• Question 13
1 out of 1 points

What is the title of RFC 5000?
Selected Answer:
Internet Official Protocol Standards
Correct Answer:
Internet Official Protocol Standards

• Question 14
1 out of 1 points

Which of the following milestone events for TCP/IP occurred in 1983? (Choose all that apply)

” The Department of Defense mandates TCP/IP as the “”official ARPANET protocol.”””

TCP/IP appears in the 4.2BSD UNIX distribution.

Initial development of name server technology occurs.
Correct Answers:
” The Department of Defense mandates TCP/IP as the “”official ARPANET protocol.”””

TCP/IP appears in the 4.2BSD UNIX distribution.

Initial development of name server technology occurs.

• Question 15
1 out of 1 points

What functions does the Session layer provide?
Selected Answer:
session setup’ maintenance’ and teardown
Correct Answer:
session setup’ maintenance’ and teardown

• Question 16
1 out of 1 points

Which of the following organizations develops and maintains RFCs?
Selected Answer:
IETF
Correct Answer:
IETF

• Question 17
1 out of 1 points

Which of the following organizations manages Internet domain names and network addresses?
Selected Answer:
ICANN
Correct Answer:
ICANN

• Question 18
1 out of 1 points

Why is promiscuous mode important for protocol analysis?
Selected Answer:
It allows the protocol analyzer to capture and inspect all traffic on the network medium’ including errors and malformed packets.
Correct Answer:
It allows the protocol analyzer to capture and inspect all traffic on the network medium’ including errors and malformed packets.

• Question 19
1 out of 1 points

How many bits of addressing does IPv6 use?
Selected Answer:
128-bit addresses
Correct Answer:
128-bit addresses

• Question 20
0.8 out of 1 points

Which of the following activities may occur during the protocol analysis process? (Choose all that apply)
Selected Answers:
tapping into network communications

” capturing packets “”off the wire”””

decoding packets into readable form

retransmitting captured packets for testing
Correct Answers:
tapping into network communications

” capturing packets “”off the wire”””

gathering statistics

decoding packets into readable form

retransmitting captured packets for testing

• Question 21
1 out of 1 points

The purpose of a TCP/IP port number is to identify which aspect of a system’s operation for incoming and outgoing protocol data?
Selected Answer:
sending or receiving application process
Correct Answer:
sending or receiving application process

• Question 22
1 out of 1 points

Which of the following statements represent benefits of a layered approach to networking? (Choose all that apply.)
Selected Answers:
takes a big problem and breaks it into a series of smaller interrelated problems

allows individual layers to be insulated from one another

permits expertise to be applied from different disciplines for different layers

permits hardware issues to be kept separate from software issues
Correct Answers:
takes a big problem and breaks it into a series of smaller interrelated problems

allows individual layers to be insulated from one another

permits expertise to be applied from different disciplines for different layers

permits hardware issues to be kept separate from software issues