Refer to the exhibit. What is the maximum TTL value that is used to reach the destination http://www.cisco.com?
- 12
- 13
- 11
- 14
Explanation: Traceroute (in this case the command tracert) sets the TTL field to a value of 1 and sends the packet. At each router hop, this value is decreased by one and a "TTL expired" message is sent back to the source host. This message has a source address which is used by the host to build the trace. The host then progressively increments the TTL field (2, 3, 4...) for each sequence of messages until the destination is reached or it is incremented to a predefined maximum. Because the executed command reached the destination in the 13th line, the TTL was increased up to the value of 13.
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