6.1.4 Check Your Understanding – Ethernet Frame Fields Answers

1. Which Ethernet frame field assists a host in determining if the frame that is received is addressed to it?

  • source address
  • preamble
  • destination address
  • frame check sequence

Explanation: The destination address informs the host if a frame is meant for it.

2. Which Ethernet frame field notifies destinations to get ready for a new frame?

  • preamble
  • type
  • destination address
  • frame check sequence

Explanation: The preamble informs hosts that a new frame has arrived.

3. Which Ethernet frame field describes the higher-layer protocol that is encapsulated?

  • data field
  • destination address
  • Type/Length
  • frame check sequence

Explanation: The Type/Length field identifies the higher-layer protocol, such as IPv4, that is encapsulated in the frame

4. Which part of the Ethernet frame helps a destination detect if there are errors in a frame?

  • start frame delimiter
  • frame check sequence
  • preamble
  • data field

Explanation: The frame check sequence enables a destination to determine if there are errors in a frame that it has received.

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