Cisco 200-125 Exam

Refer to the exhibit. Host A pings interface S0/0 on router 3. What is the TTL value for that ping?

  • A. 252
  • B. 253
  • C. 254
  • D. 255
Answer: Option B.

The default TTL is 255, and as a packet passes through a router the TTL is decremented. By the time the ping packet reaches S0/0 on Router 3, it has passed through two routers and the TTL is now 253. Note that the S0/0 interface responds to the ping: the packet is not routed by Router 3 and so the TTL in the ping packet is not decremented to 252.

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