Exam NCM-MCI topic 1 question 46 discussion

Actual exam question from Nutanix's NCM-MCI

Question #: 46
Topic #: 1

An administrator needs to make sure an RF3 cluster can survive a failure of two complete racks without negatively affecting performance. The current cluster configuration consists of the following:
✑ 30 All Flash Nodes: distributed 10 nodes per rack across three 42U racks
✑ Each node is configured with 20TB usable storage all flash (Cluster Total 600TB Usable)
✑ Current cluster utilization is 500TB storage
✑ Storage containers have Erasure Coding enabled
Which configuration changes should be made to make sure the cluster meets the requirements?

A. Expand the cluster to 50 nodes distributed evenly across 5 racks
B. Expand the cluster to 48 nodes distributed evenly across 6 racks
C. Expand the cluster to 60 nodes distributed evenly across 6 racks
D. Expand the cluster to 40 nodes distributed evenly across 5 racks

Show Suggested Answer

Suggested Answer: C 🗳️

by sa12 at March 28, 2023, 9:34 p.m.

Comments

Submit Cancel

sa12

4 months, 1 week ago

"A" could be correct too, with 5, 10 node rack we will have 1000TB total cluster capacity. If we deduct the 500TB in use, we can still lose two racks (total of 400TB) and still maintain two copies of each block of data on the cluster.

upvoted 2 times

lski

3 months, 3 weeks ago

Erasure Coding requires an additional rack.

upvoted 1 times

...

Exam NCM-MCI All Questions

View all questions & answers for the NCM-MCI exam

Exam NCM-MCI topic 1 question 46 discussion

Comments

sa12

lski

SY0-701