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Exam 300-730 topic 1 question 71 discussion

Actual exam question from Cisco's 300-730
Question #: 71
Topic #: 1
[All 300-730 Questions]

Which two NHRP functions are specific to DMVPN Phase 3 implementation? (Choose two.)

  • A. registration reply
  • B. redirect
  • C. resolution reply
  • D. registration request
  • E. resolution request
Show Suggested Answer Hide Answer
Suggested Answer: BE 🗳️

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AF_Nick
Highly Voted 2 years, 9 months ago
Selected Answer: CE
It's C, E. Registration reply/request in present in all DMVPN phases Resolution reply/request in only in DMVPN phase 3
upvoted 7 times
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Ahmadpbi
Most Recent 1 month, 2 weeks ago
Selected Answer: BC
**E. Resolution request**: While this is used in Phase 3, it is not exclusive to Phase 3 and is also used in Phase 2.
upvoted 1 times
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6727cff
8 months ago
Selected Answer: BE
BE is correct
upvoted 2 times
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ms997
11 months, 2 weeks ago
C&E for sure, Registration reply/request in present in all DMVPN phases. Resolution reply/request in Only DMVPN phase 3. HTH
upvoted 2 times
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jedi567890
1 year, 1 month ago
Selected Answer: BE
See question #31 for the answer ;)
upvoted 2 times
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haydenme97
1 year, 1 month ago
BE https://learningnetwork.cisco.com/s/article/dmvpn-concepts-amp-configuration NHRPredirect enable specifically in Phase 3, after hub sends redirect spokes use resolution requests to get enach other NBMA address
upvoted 2 times
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pfrank
1 year, 2 months ago
Selected Answer: BE
*Apr 13 19:06:07.596: (M) traffic code: redirect(0) *Apr 13 19:06:07.609: NHRP: Send Resolution Request via Tunnel0 vrf 0, packet size: 84 ttps://www.cisco.com/c/en/us/support/docs/security/dynamic-multipoint-vpn-dmvpn/211292-Configure-Phase-3-Hierarchical-DMVPN-wit.html#anc16
upvoted 3 times
pfrank
1 year, 2 months ago
https://ine.com/blog/2008-12-23-dmvpn-phase-3
upvoted 1 times
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petestudies
1 year, 4 months ago
Selected Answer: BE
I agree above, it should be B & E https://ine.com/blog/2008-12-23-dmvpn-phase-3 "NRHP Phase 3 involves spokes in responding to NHRP resolution requests. ... Step 3: Let's say an mGRE tunnel is configured for NHRP redirects (the first magic component of NHRP Phase 3). "...
upvoted 3 times
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kylesam2017
1 year, 4 months ago
BC is the correct answer. In DMVPN Phase 3 implementation, the two NHRP (Next Hop Resolution Protocol) functions that are specific to it are resolution reply and redirect. 1. Resolution reply: This function is used by the hub router to respond to NHRP resolution requests by providing the mapping information (such as the real IP address of the spoke router). 2. Redirect: This function is used by the hub router to inform the spoke router that a more optimal path to reach a destination is available through a different spoke router. The redirect message allows the spoke router to update its routing table and use the more efficient path. These functions help in the dynamic establishment of tunnels and efficient data routing in DMVPN Phase.
upvoted 2 times
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gondohwe
1 year, 5 months ago
BC are correct
upvoted 2 times
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Net4dd
2 years, 2 months ago
Selected Answer: BC
B and C. Redirect only exists in Phase 3. Resolution Request is mentioned in Phase 2.
upvoted 4 times
JKPippers
1 year, 5 months ago
Are you sure i read this article below? https://ine.com/blog/2008-12-23-dmvpn-phase-3
upvoted 1 times
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red_sparrow_Gr
2 years, 2 months ago
I suspect that B and C are correct! Everywhere I searched, I didn't see any mention for Resolution request , but redirect message ... :?
upvoted 2 times
red_sparrow_Gr
2 years, 2 months ago
neglect my comment
upvoted 1 times
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ZeeSha
2 years, 9 months ago
should be B and E https://www.cisco.com/c/en/us/support/docs/security/dynamic-multipoint-vpn-dmvpn/211292-Configure-Phase-3-Hierarchical-DMVPN-wit.html#anc16
upvoted 2 times
JKPippers
1 year, 5 months ago
The correct answer is B and E https://ine.com/blog/2008-12-23-dmvpn-phase-3
upvoted 1 times
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