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Exam HPE6-A47 topic 1 question 34 discussion

Actual exam question from HP's HPE6-A47
Question #: 34
Topic #: 1
[All HPE6-A47 Questions]

An architect needs to plan a very high density (VHD) wireless network at a large events venue, at which thousands of attendees are expected. The architect plans to deploy a cluster of Mobility Controllers (MCs) to control the APs. It is important to support seamless roaming for wireless devise across the venue.
What should the architect ensure for the network services?

  • A. DHCP servers can support a high number of scopes with a /24 size.
  • B. A third-party firewall integrates with ClearPass to filter the guest user traffic.
  • C. A domain CA is set up to deploy certificates to a high volume of guest devices.
  • D. DHCP and DNS servers are carrier-grade and support a low transaction time.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by Hugh_Jazz at Nov. 17, 2020, 12:35 a.m.

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Hugh_Jazz
Highly Voted 3 years, 5 months ago
D is correct. Straight from the curriculum, and these are guests primarily.
upvoted 7 times
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_MG_
Most Recent 1 year, 6 months ago
D is correct! Check Step 8 Server Design For the DHCP/DNS servers in a high-density design, the key metric is transaction time, which should be <= 5ms. This is much more critical than transaction rate and should be modeled at 5% of seating capacity over 5 minutes. For example in an 18,000 seat arena × 5%/300 seconds = 3 discovers per second
upvoted 1 times
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Johno
2 years, 4 months ago
From the course book - Aruba strongly recommends a carrier-grade DHCP/DNS servers, such as Infoblox and lease times should be 2X duration of event (8 hours suggested).
upvoted 2 times
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