The Transport and Application Layer

The Transport and Application Layer >> The Bits and Bytes of Computer Networking

Question 1

Ports 1024-49151 are known as ______ ports.

  • system
  • registered
  • destination
  • source

Question 2

The instantiation of an endpoint in a potential TCP connection is known as a ______.

  • socket
  • port
  • sequence number
  • TCP segment

Question 3

HTTP is an example of a(n) ______ layer protocol.

  • transport
  • data-link
  • application
  • network

Question 4

Application layer data lives in the _____ section of the transport layer protocol.

  • data payload
  • header
  • footer
  • flag

Question 5

How many bits are used to direct traffic to specific services running on a networked computer?

  • 32
  • 8
  • 12
  • 16

Question 6

A network has the ability to direct traffic toward all of the receiving services. What provides this ability in the transport layer?

  • Socket address
  • File Transfer
  • Demultiplexing
  • Multiplexing

Question 7

What port does the File Transfer Protocol (FTP) typically listen on?

  • 25
  • 443
  • 80
  • 21

Question 8

Which field in a Transmission Control Protocol (TCP) header is chosen from ephemeral ports?

  • Source port
  • Acknowledgement number
  • Destination port
  • Sequence number

Question 9

A communication between two devices is over the maximum limit of an ethernet frame size. The Transmission Control Protocol (TCP) splits up the data into segments. Which field in the header helps keep track of the many segments?

  • Acknowledgement number
  • Checksum
  • Urgent pointer
  • Sequence number

Question 10

A connection, at which layer, implies that every segment of data sent is acknowledged?

  • Data link
  • Transport
  • Application
  • Network

Question 11

A communication sent through Transmission Control Protocol (TCP) arrives out of order. What allows the data to be put back together in the correct order?

  • Checksum
  • Sequence numbers
  • Acknowledgement number
  • Preamble

Question 12

When is using the Transmission Control Protocol (TCP) most appropriate?

  • When you are listening to the radio.
  • When you make a phone call
  • When you are streaming a video.
  • When you visit a news website

Question 13

You are sending a very small amount of information that you need the listening program to respond to immediately. Which Transmission Control Protocol (TCP) flag will be used?

  • PSH
  • ACK
  • RST
  • URG

Question 14

A Transmission Control Protocol (TCP) connection is established and two devices ensure that they’re speaking the same protocol. What has occured?

  • Handshake
  • Four-way handshake
  • Two-way handshake
  • Three-way handshake

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