9.1.5 Check Your Understanding – Network Transmission Quality Answers

1. What is the variable amount of time it takes for a frame to traverse the links between the source and destination?

  • serialization delay
  • propagation delay
  • code delay

Explanation: Propagation delay is variable and is the amount of time for frames to traverse the links between source and destination nodes.

2. What happens when congestion occurs?

  • packet loss
  • jitter
  • code delay

Explanation: Packet loss is the result of excessive network congestion.

3. What is the fixed amount of time it takes to transmit a frame from the NIC to the wire?

  • serialization delay
  • jitter
  • code delay

Explanation: Serialization delay is a fixed amount of time it takes to transmit a frame onto the wire.

4. What is caused by variation in delay?

  • congestion
  • packet loss
  • jitter

Explanation: Jitter is caused by variations in delay.

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