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Exam CV0-003 topic 1 question 108 discussion

Actual exam question from CompTIA's CV0-003
Question #: 108
Topic #: 1
[All CV0-003 Questions]

Due to a policy change, a few of a customer's application VMs have been migrated to synchronously replicated storage. The customer now reports that performance is lower. The systems administrator checks the resource usage and discovers CPU utilization is at 60% and available memory is at 30%. Which of the following is the MOST likely cause?

  • A. There is not enough vCPU assigned.
  • B. The application is not compatible with the new settings.
  • C. The new configuration is adding latency.
  • D. The memory of the VM is underallocated.
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Suggested Answer: C 🗳️
by CapJackSparrow at Jan. 19, 2023, 3:39 p.m.

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TheGinjaNinja
Highly Voted 1 year, 11 months ago
Selected Answer: C
I believe it is C
upvoted 9 times
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Stonetales987
Most Recent 7 months, 2 weeks ago
Selected Answer: C
Synchronously Replicated Storage would add latency because each write operation must be confirmed by the secondary site before it can be considered complete.
upvoted 2 times
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FrancisDrake
10 months, 3 weeks ago
Selected Answer: C
Because synchronous replication adds latency. https://blog.purestorage.com/purely-informational/synchronous-replication-vs-aynchronous-replication/
upvoted 3 times
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ROCompTIA
1 year, 6 months ago
Selected Answer: C
Most likely cause of the performance degradation is the added latency from the new storage configuration
upvoted 1 times
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maelo
1 year, 8 months ago
Selected Answer: C
Application is running in VM. VM was moved. Storage profile should be transparent to the application and its compatibility, but overall storage behaviour adds complexity, so latency. Synchronity means waiting for all storage parties to finish a task. Wait = Latency. Example: Move VM from single SDD to HDD-RAID-1. App will work, but write slower. This caught my attention: "... a FEW of a customer's application VMs have been migrated ...". Does this change anything?
upvoted 1 times
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CapJackSparrow
1 year, 11 months ago
OR maybe... define the problem (The new configuration is adding latency) establish a theory of probable cause (The application is not compatible with the new settings)
upvoted 1 times
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CapJackSparrow
1 year, 11 months ago
If it was not compatible, wouldn't it not work at all?
upvoted 2 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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