Week 3 – The Transport and Application Layers

The bits and bytes of computer networking week 3 quiz answers

The Transport Layer

1. What ordering of TCP flags make up the Three-Way Handshake?

  • SYN, SYN/ACK, ACK
  • SYN, ACK, FIN
  • FIN, FIN/ACK, ACK
  • SYN, ACK, SYN, ACK

 

2. Transport layer protocols, like TCP and UDP, introduce the concept of a port. How many bits are in a port field?

  • 32
  • 8
  • 4
  • 16

3. A device that blocks traffic that meets certain criteria is known as a ________.

  • Firewall
  • Hub
  • Router
  • Switch

 

4. Which TCP flag is used to make the listening program respond immediately?

  • URG
  • ACK
  • PSH
  • RST

 

5. _________are identified as ports 49152 through 65535.

  • Sockets
  • System ports
  • User ports
  • Ephemeral ports

 

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Devendra Kumar

Project Management Apprentice at Google

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