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Exam JN0-348 All Questions

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Exam JN0-348 topic 1 question 69 discussion

Actual exam question from Juniper's JN0-348
Question #: 69
Topic #: 1
[All JN0-348 Questions]

Which statement is true about IP-IP tunnels?

  • A. The time-to-live value of the original packet is decremented.
  • B. IP-IP tunnels are protocol agnostic.
  • C. The packet is encapsulated unchanged before entering the tunnel.
  • D. The packet header is replaced before entering the tunnel.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by denii_dg at April 12, 2020, 6:16 p.m.

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denii_dg
Highly Voted 4 years, 7 months ago
IP tunnel carries only IP protocol. GRE tunnel doesn't care about underlying protocols. Original TTL value is decremented on IP-tunnel encapsulation.
upvoted 11 times
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boyseven777
Highly Voted 4 years, 5 months ago
A. ref.: RFC 1853; RFC 2003
upvoted 7 times
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julin_10
Most Recent 11 months, 2 weeks ago
Selected Answer: A
The time-to-live value of the original packet is decremented.
upvoted 1 times
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svregaz
2 years, 5 months ago
Selected Answer: A
TTL has to be decremented and ipip only carries IP
upvoted 1 times
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alexshang
3 years, 8 months ago
A is correct. GRE tunnel is protocol agnostic
upvoted 2 times
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kemr
3 years, 9 months ago
The encapsulator does not change the inner IP header, except to decrement the time to live (TTL), and it remains unchanged during its delivery to the tunnel endpoint. A is the correct answer
upvoted 3 times
...

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C (25%)
B (20%)
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