Which value, that is contained in an IPv4 header field, is decremented by each router that receives a packet?

Which value, that is contained in an IPv4 header field, is decremented by each router that receives a packet?

• Differentiated Services
• Fragment Offset
• Header Length
• Time-to-Live

Explanation: When a router receives a packet, the router will decrement the Time-to-Live (TTL) field by one. When the field reaches zero, the receiving router will discard the packet and will send an ICMP Time Exceeded message to the sender.

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