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Exam 1Y0-402 topic 1 question 60 discussion

Actual exam question from Citrix's 1Y0-402
Question #: 60
Topic #: 1
[All 1Y0-402 Questions]

Scenario: IT management has decided which server hardware model to use for new XenApp and XenDesktop Sites and needs guidance on sizing the Hardware
Layer.
Click the Exhibit button to view the host details.

A Citrix Architect is planning to install XenServer 7.x on this host which will be used to host only XenApp servers.
How many vCPUs should be consumed to deploy XenApp servers with high performance, considering the over-subscription ratio?

  • A. 32
  • B. 24
  • C. 16
  • D. 48
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by HP at Nov. 24, 2019, 3:57 p.m.

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HP
Highly Voted 5 years ago
1,5:1 = 1,5 means 1,5 vCPU to 1 pCPU. 2 sockets x 8 cores = 16 cores with HT enabled = 32 pCPU / 1.5 = 24, so the answer should be B and not C
upvoted 8 times
Citrix123
4 years, 6 months ago
I think B is correct but not with that calculation, because: 1. some articles descrive: You should consider pCPUs (including Cores) only. Hyper-threading does not actually double the available pCPU. Hyper-threading works by providing a second execution thread to a processor core 2. 1,5:1 = 1,5 vCPU's to 1 pCPI (2x8) x2 = 32 1,5:1 so you need to do 32x1,5 = 48 (But this is no correct because hyperthreading does not multiply pCpu Correct Calculation 2 sockets x 8 cores = 16 pCPU's 1,5 vCPU per 1 pCPU, so 16x1,5 = 24.
upvoted 9 times
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tripatpd
Highly Voted 4 years, 5 months ago
Correct Calculation 2 sockets x 8 cores = 16 pCPU's 1,5 vCPU per 1 pCPU, so 16x1,5 = 24.
upvoted 7 times
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maurizio_n91
Most Recent 3 years, 5 months ago
B. 24 is right
upvoted 2 times
...

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C (25%)
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