EMC E20-260 Actual Free Exam Questions & Community Discussion

Exam Code/Number: E20-260
Exam Name/Title: VPLEX Specialist Exam for Implementation Engineers
Certification Provider: EMC
Corresponding Certification: EMC Certification

Exam Questions: 210
Updated On: Aug 03, 2026

Question #13

What is required of an ESX host for the Witness to be installed?

A. ESX host in Cluster 2 failure domain

B. Promiscuous mode set to Accept

C. ESX host in Cluster 1 failure domain

D. MAC address change set to Accept

Discussion 0

Correct Answer: D Vote an answer

Question #14

Refer to the exhibit.

Which command must be used to generate this output?

A. ifconfig -a eth3

B. health-check

C. vpn status

D. ndu pre-check

Discussion 0

Correct Answer: C Vote an answer

Question #15

A VPLEX administrator claims a 100GB Storage Volume that is thin provisioned on the storage array and has 25GB physically allocated and creates a 1:1 encapsulated virtual volume. After a local data mobility job for that Virtual Volume, the storage array administrator notices that the allocated capacity has increased to 100GB. Why did this happen?

A. VPLEX does not support thin devices.

B. The destination Storage Volume was not claimed with the thin-rebuild parameter in VPLEX.

C. The source Storage Volume was not claimed with the thin-rebuild parameter in VPLEX.

D. Neither the source nor the destination Storage Volume were claimed with the thin-rebuild parameter in VPLEX.

Discussion 0

Correct Answer: B Vote an answer

Question #16

How can you throttle the migration rate for VPLEX?

A. By dynamically changing the I/O write size for copying

B. By setting the copy policy

C. This is done automatically without any user action

D. By configuring the maximum copy speed

Discussion 0

Correct Answer: A Vote an answer

Question #17

A dual fan failure occurs on a single VPLEX engine.
What will be the result?

A. Director B only will shut down.

B. The engine will shut down after three minutes.

C. The engine will shut down immediately.

D. Director A only will shut down.

Discussion 0

Correct Answer: B Vote an answer

Question #18

Refer to the exhibit.

Reference the message type shown at point "1".
What type of response will be sent back to the SNMP management server from the SNMP Agent?

A. A trap response containing all MIB data

B. A poll response that initiates a trap response

C. A poll response containing requested data

D. A trap response containing requested data

Discussion 0

Correct Answer: C Vote an answer

Question #19

Refer to the exhibit.

What does this 4-step VPLEX cache operation represent?

A. Global Read Miss

B. Local Read Miss

C. Local Read Hit

D. Global Read Hit

Discussion 0

Correct Answer: A Vote an answer

Question #20

What device types can be created in a VPLEX environment?

A. RAID5 (3+1), RAID5 (7+1), RAID-S

B. RAID-3, RAID6 (6+2), RAID6 (14+2)

C. RAID-0, RAID-1, RAID-C

D. RAID-5, RAID-6, RAID-C

Discussion 0

Correct Answer: C Vote an answer

Question #21

How much distributed storage can be managed by a 20 GB logging volume?

A. Up to 640 TB

B. Up to 320 TB

C. Up to 1.2 PB

D. Up to 960 TB

Discussion 0

Correct Answer: A Vote an answer

Question #22

A customer wants to refresh the underlying array that comprises one-half of their local RAID-1 mirrors. Their intent is to remove the discarded mirror from VPLEX control, but as a rollback procedure, they want to ensure the detached device is a consistent copy of the original data. What is the proper way to perform this operation, meeting the customer's requirements?

A. Include the "--discard" option in VPlexcli when detaching the mirror

B. Utilize the GUI to teardown the virtual volume

C. Exclude the "--discard" option in VPlexcli when detaching the mirror

D. Utilize the GUI to detach the mirror consistently

Discussion 0

Correct Answer: C Vote an answer

Question #23

Which protocols are required for a service laptop to communicate with and maintain a VPLEX environment?

A. SNMP and FTP

B. SSH and SCP

C. SSH and SSL

D. SCP and Telnet

Discussion 0

Correct Answer: B Vote an answer

Question #24

Do virtual volumes need to be taken off-line prior to upgrading VPLEX software, and why or whynot?

A. Yes, to preserve data integrity

B. No, because VPLEX software can be upgraded non-disruptively

C. Yes, because the host-based multi-pathing software provides direct access during the upgrade

D. No, because the upgrading can be undone

Discussion 0

Correct Answer: B Vote an answer

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