Isilon Specialist for Platform Engineers

Here you have the best Dell E20-655 practice exam questions

You have 109 total questions to study from
Each page has 5 questions, making a total of 22 pages
You can navigate through the pages using the buttons at the bottom
This questions were last updated on October 9, 2025
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Question 1 of 109

Referring to the data protection formula N+M, what does the N stand for?

Number of data stripe units

Number of protection stripe units

Number of nodes in the node pool

Number of nodes the file is striped across

Correct Answer: A

Question 2 of 109

In a 4-node cluster using N+3:1 protection, how much is the overhead?

25%

50%

300%

100%

Correct Answer: A

Question 3 of 109

You are supporting a customers cluster with 3 node pools consisting of 10 S200 nodes, 18 X400 nodes, and 30 NL400 nodes. The customer is going to write a large number of 4MB files to the X400 node pool. The customer is very concerned about minimizing the amount of overhead. Which setting would be best for minimizing the amount of overhead?

N+2:1 or N+2 have the same amount of overhead.

N+2:1 will have less overhead.

I/O optimization should be set to Random.

I/O optimization should be set to Streaming

Correct Answer: A

Question 4 of 109

The SmartPools settings of your cluster are set to Protection management: Including File with manually-managed protection settings is not checked.
How can the protection settings be modified?

Using File System Explorer in the web administration interface or the isi set command

Only by using File System Explorer in the web administration interface

Only by using the isi set command

Manually starting the SmartPools job

Correct Answer: A

Question 5 of 109

Your customer is using a directory for a VMware environment. To which access pattern should you set the directory?

Random

Concurrency

Streaming

Aggregate

Correct Answer: A