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Exam 300-410 topic 1 question 100 discussion

Actual exam question from Cisco's 300-410
Question #: 100
Topic #: 1
[All 300-410 Questions]



Refer to the exhibits.
Which configuration allows spoke-to-spoke communication using loopback as a tunnel source?

  • A. Configure crypto isakmp key cisco address 0.0.0.0 on the hub
  • B. Configure crypto isakmp key cisco address 200.1.0.0 255.255.0.0 on the hub
  • C. Configure crypto isakmp key cisco address 200.1.0.0 255.255.0.0 on the spokes
  • D. Configure crypto isakmp key cisco address 0.0.0.0 on the spokes
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by FrankZane at Nov. 7, 2021, 2:55 p.m.

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studybuddy10
Highly Voted 3 years, 7 months ago
Given answer is correct - D , the spokes dynamic tunnels with loopback sources are coming from 2.2.2.2 and 3.3.3.3 so only spokes with 0.0.0.0 would satisfy that.
upvoted 7 times
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tubirubs
Most Recent 10 months ago
lol. In ENARSI Certification Official Book BY CISCO, not explain to configure IKEv1, ONLY IKEv2. Cisco Tell that IKEv1 is not considerated, because IKEv2 have more features for protection, for example, DPD and cookie challenger and max-sa....
upvoted 2 times
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[Removed]
10 months, 3 weeks ago
Selected Answer: D
D is correct
upvoted 1 times
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HungarianDish_111
2 years, 1 month ago
Selected Answer: D
for spoke-to-spoke we need to add this on the spokes too https://community.cisco.com/t5/vpn/isakmp-with-0-0-0-0-dmvpn/td-p/4312380
upvoted 4 times
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chris7890
2 years, 6 months ago
Is it possible that the command must be executed on the hub and on the spoke router? Configure ISAKMP on all devices: ... crypto isakmp key cisco address 0.0.0.0 https://ccieme.wordpress.com/2021/09/09/cisco-dynamic-multipoint-vpn/
upvoted 4 times
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Bruffas
3 years, 3 months ago
I would assume that since we see the config on one spoke, that alternative A already is set on the HUB. In that case D is the only answer that makes sense.
upvoted 4 times
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FrankZane
3 years, 7 months ago
I think A is correct https://www.cisco.com/en/US/technologies/tk583/tk372/technologies_white_paper0900aecd802b8f3c.html
upvoted 1 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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