Free E20-390 Questions for EMC VNX Solutions Specialist Exam for Implementation Engineers E20-390 Exam as PDF & Practice Test Engine

Exam Code/Number: E20-390
Exam Name/Title: VNX Solutions Specialist Exam for Implementation Engineers
Certification Provider: EMC
Corresponding Certification: EMC Specialist

Exam Questions: 411
Updated On: Jun 02, 2026

Question #1

Refer to the exhibit.

Displayed is a single VNX X-Blade in a DME. What does the indicated number 2 refer to on the numeric display?

A. The LCC Bus ID

B. The X-Blade number

C. The LCC Enclosure ID

D. The DME Enclosure number

Discussion 0

Correct Answer: D Vote an answer

Question #2

Which command is used to assign root privileges to an existing user?

A. /nas/sbin/switchToRoot

B. /nas/sbin/enableRootToUser

C. /nas/sbin/addRootIdToUser

D. /nas/sbin/enableRootID

Discussion 0

Correct Answer: C Vote an answer

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Question #3

How can users manage SSL/TLS certificates?

A. From Unisphere, click Manage SSL/TLS Certificates under the Service Tasks menu in the sidebar.

B. From Unisphere, highlight the Settings tab. and choose Security from the drop-down list Then choose Manage SSL/TLS certificates.

C. From the Setup page, log in using the administrative username and password. Then choose Manage SSL/TLS Certificates.

D. From Unisphere, select the System tab, and click the Properties link under the System Management menu in the sidebar. Then choose the SSL/TLS Certificates tab.

Discussion 0

Correct Answer: C Vote an answer

Question #4

While SnapView snapshots are being used, what happens when the reserved LUN pool fills to 100% utilization?

A. The snapshot session stops

B. the snapshot ml become corrupted

C. The snapshot session is quiesced

D. The snapshot is deleted

Discussion 0

Correct Answer: A Vote an answer

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Question #5

Which types of storage can be provisioned through the Unified Storage Management plug-in for VMware?

A. VMFS, RDM, and iSCSI

B. NFS, VMFS, and RDM

C. VMFS and CIFS

D. NFS and CIFS

Discussion 0

Correct Answer: B Vote an answer

Question #6

Which VNX Remote Protection Suite method features a read-only copy of source file systems?

A. Mirrorview/A

B. Mirrorview/S

C. RecoverPoint/SE

D. VNX Replicator

Discussion 0

Correct Answer: D Vote an answer

Question #7

What is the EMC-recommended VNX cache page size for Microsoft Exchange 2010 environments?

A. 4 KB

B. 12 KB

C. 8 KB

D. 16 KB

Discussion 0

Correct Answer: D Vote an answer

Question #8

What optional authentication method is supported when using NFS Version 3?

A. LDAP

B. NIS

C. Kerberos

D. NTLM

Discussion 0

Correct Answer: B Vote an answer

Question #9

You are creating an Ethernet channel that spans two or more switches. Which feature must be supported by the switches?

A. Spanning tree

B. Fast port

C. Cross stack

D. None; Ethernet channel cannot span switches

Discussion 0

Correct Answer: C Vote an answer

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Question #10

What is the length of RSA keys used to encrypt and decrypt network traffic in a VNX environment?

A. 2048 bits

B. 1024 bits

C. 2048 bytes

D. 1024 bytes

Discussion 0

Correct Answer: A Vote an answer

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Question #11

You are exporting a file system from a VNX Unified system at the subdirectory level. What is a key consideration?

A. It is a best practice to configure group and user permissions for the subdirectory.

B. The file system must be exported again if the user and group permissions are modified.

C. The lost+found and etc directories become visible to the client.

D. When an export is deleted, subdirectories are automatically destroyed.

Discussion 0

Correct Answer: A Vote an answer

Question #12

What is mandatory when creating a file system on VNX for File?

A. A production file system should reside entirely on a single storage array.

B. A metavolume must be at least 1024 MB to accommodate a file system.

C. You can only create a file system on root metavolumes that are not in use.

D. By default, all file systems are created as RwFS.

Discussion 0

Correct Answer: A Vote an answer

Question #13

By default, what do you have to install on an ESX 4.x host to auto register with a VNX for Block storage system

A. Nothing; the host will automatically register with the VNX storage system

B. Only Unisphere Host Agent on the ESX host

C. Only Navisphere Secure CLI on the ESX host

D. Both Unisphere Host Agent and Navisphere CLI on the ESX host

Discussion 0

Correct Answer: A Vote an answer

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Question #14

In the Unisphere "Statistics for File" option, what is the default polling interval for file system data?

A. Every 15 minutes

B. Every 60 minutes

C. Every 5 minutes

D. Every 10 minutes

Discussion 0

Correct Answer: D Vote an answer

Question #15

What is an advantage of the VASA feature when provisioning an ESXi host from a VNX array?

A. Hosts automatically register initiators with the array and optimize initiator configuration

B. vCenter can directly communicate with the array to discover capabilities and monitor health

C. Array connectivity is automatically load balanced and protected from path failures

D. Some workload can be offloaded from the host to the array freeing up host resources

Discussion 0

Correct Answer: B Vote an answer

Free E20-390 Questions for EMC VNX Solutions Specialist Exam for Implementation Engineers E20-390 Exam as PDF & Practice Test Engine

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