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Exam HPE6-A47 topic 1 question 13 discussion

Actual exam question from HP's HPE6-A47
Question #: 13
Topic #: 1
[All HPE6-A47 Questions]

An architect proposes an Aruba solution with a hardware Mobility Master (MM) to a customer. The customer has a disaster recovery site which is connected to the main site at Layer 3. The customer requires the MM to remain available in case of a total site failure.
Which plan meets the customer requirements?

  • A. Deploy a hardware MM to the disaster recovery site and set up VRRP between them.
  • B. Deploy a hardware MM to the disaster recovery site and set its IP address as the standby master for MCs.
  • C. Deploy the virtual MM (VMM) to the disaster recovery site and set the VMM IP address to the same address as the hardware MM.
  • D. Deploy the virtual MM (VMM) to the disaster recovery site and configure clustering on the hardware and software appliances.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by fredexam at Nov. 26, 2020, 8:20 a.m.

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moundirr
1 year, 9 months ago
B is correct
upvoted 1 times
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Rockford
2 years, 6 months ago
B: In the event of an MM outage, MCs continue to use their existing licenses for 30 days, and the network remains up. However, you cannot change the configuration items in the controller network. In addition, the MM manages many of the higher level functions that can cause issues in the network if the MM fails. Aruba recommends a backup MM for these situations. From an economic point of view, a backup MM for a VMM is free. If a customer has a hardware MM, the customer must purchase a backup hardware MM.
upvoted 1 times
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taris
2 years, 7 months ago
It seems B is correct. This Aruba KB gives more insight to the scenario https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos-solutions/vrrp/conf-stby-mm-l3red.htm
upvoted 1 times
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Thomas66
3 years, 2 months ago
Selected Answer: B
Answer is B see eBook ACDP Chapter 7 Redundancy
upvoted 2 times
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asdfgdr
3 years, 6 months ago
A is incorrect because the MC's don't know about it B is correct, you set up L3 redundancy this way C incorrect, can't VRRP across L3 D incorrect clustering does not setup L3 redundancy
upvoted 1 times
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Linares1234
3 years, 6 months ago
Its B, because disaster recovery its fail all MM if you need recovery all i think this for Review Aruba 8.X Architecture.
upvoted 1 times
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poris27
3 years, 7 months ago
it should A. It mention on ACDP book and ACMP
upvoted 1 times
Johno
3 years, 4 months ago
- just interested where in the ACDP book I can find this - can you note the reference page or the wording please
upvoted 1 times
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fredexam
4 years, 4 months ago
Answer should be B both sites are connected in L3
upvoted 4 times
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