Free Dell EMC DES-1423 Exam Actual Questions

The questions for DES-1423 were last updated On Dec 15, 2025

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Question No. 1

Which command provides cluster statistics including protocol, disk input, and disk output?

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Correct Answer: B

Question No. 2

What information is required to enable the LDAP service on an Isilon cluster?

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Correct Answer: D

Question No. 3

Which OneFS networking option enables Isilon for DNS multitenant functionality?

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Correct Answer: A

Groupnets are designed to enable multi-tenant DNS support per access zone.


Question No. 4

A new Isilon administrator has created their first quota of 100 TB on a directory called ''/ifs/Boston-zone/RnD''. Both the Engineering and QA teams have access to this directory. The directory sits on a 4-node H400 node pool.

Two weeks later, the administrator notices that the team's available disk space is decreasing faster than anticipated for the ''/ifs/Boston-zone/RnD'' directory.

What is the most likely cause for the decrease in disk space?

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Correct Answer: A

Question No. 5

In Isilon OneFS, what is a characteristic of CoW with snapshots?

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Correct Answer: A

With copy on write, as the name suggests, a new write to HEAD results in the old blocks being copied out to the snapshot version first.

Although this incurs a double write penalty, it results in less fragmentation of the HEAD file, which is better for cache prefetch, etc.

Typically, CoW is most prevalent in OneFS and is primarily used for small changes, inodes and directories.