QuestionQ28

Fundamentos de redes

Which statement is true about the Hop Limit field in an IPv6 header?

  • A The field is not changed during the transport of a package.
  • B The field is transmitted within a hop-by-hop extension header.
  • C Each router forwarding the packet increases the field's value.
  • D Each router forwarding the packet decreases the field's value.
  • E For multicast packages, the field's value is always 1.
Explanation

Each router that forwards an IPv6 packet decrements the Hop Limit field by 1. A router discards the packet when the field reaches zero.

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