Which IPv6 header field performs a function similar to the TTL field in IPv4?

Options

  • A. Flow Label
  • B. Hop Limit
  • C. Traffic Class
  • D. Payload Length
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Hop Limit

Detailed Explanation

Correct Answer: Hop Limit

  • IPv4 uses the Time To Live (TTL) field.
  • IPv6 uses the Hop Limit field for a similar purpose.
  • Each router forwarding the packet decreases the Hop Limit by at least one.
  • When it reaches zero, the packet is discarded.