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Exam HPE6-A47 topic 1 question 4 discussion

Actual exam question from HP's HPE6-A47
Question #: 4
Topic #: 1
[All HPE6-A47 Questions]

An architect needs to plan the bandwidth for two Aruba 7240 Mobility Controllers (MCs) which will connect to the network core. The customer indicates that four
10 GbE links between the network core and the data center will be adequate. The customer expects almost all traffic in the network will be wireless. The customer expects up to 25 Gbps upstream traffic from wireless clients and up to 35 Gbps downstream to wireless clients. The customer requires the MCs to be able to continue to forward traffic if up to one link fails, but lower performance during the failover situation is permissible.
What are the minimal links to meet these requirements?

  • A. two 10 GbE links on each of the MC
  • B. two 40 GbE links on each of the MCs
  • C. three 10 GbE links on each of the MCs
  • D. four 10 GbE links on each of the MCs
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️

Comments

Chosen Answer:
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SirNebur85
1 year, 6 months ago
Selected Answer: D
7240 only have 4 ports sfps+, so, the correct answer is D
upvoted 2 times
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mpj_quick
1 year, 6 months ago
Selected Answer: D
The 7240 doesn't have QSFP+ ports, only on the 7280 so the correct answer is D
upvoted 2 times
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Thomas66
2 years, 2 months ago
Selected Answer: D
D, The 7240 doesn't have QSFP+ ports, only on the 7280
upvoted 4 times
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pouet
2 years, 8 months ago
@Bassel9 the 7240 does not support 40G : https://www.arubanetworks.com/assets/ds/DS_7200Series.pdf Btw, lower performance during the failover situation is permissible, so if 1 link 40G fail, there is the same bandwidth. So 4* 10G. => D
upvoted 2 times
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Bassel9
2 years, 9 months ago
@emx, bro MC 7240 support 40 G Uplink
upvoted 1 times
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NoNameFound
2 years, 9 months ago
Maybe D is the better answer, they not tell about having a cluster. Its discusable.
upvoted 1 times
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NoNameFound
2 years, 9 months ago
Should be A, clients would be load balanced across both controllers. If 40Gb is total client traffic, than each controller need 20Gb at least in a redundant situation
upvoted 2 times
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Mrvn
3 years ago
yes answer should be D
upvoted 1 times
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emx
3 years, 1 month ago
D, the 7240 doesnt support 40G
upvoted 2 times
...
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C (25%)
B (20%)
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