On a router, what field in an IPv4 header should be examined to determine that the maximum number of hops have been reached by the packet on its way from the source to this destination?

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On a router, what field in an IPv4 header should be examined to determine that the maximum number of hops have been reached by the packet on its way from the source to this destination?

Version
DS
TTL
Protocol
Source IP address
Destination IP address

Explanation: Time-to-Live (TTL) contains an 8-bit binary value that is used to limit the lifetime of a packet. It is specified in seconds but is commonly referred to as hop count.

Exam with this question: CCNA 1 ITNv6 Chapter 6: Check Your Understanding