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EMC E20-807 問題練習

Expert – VMAX All Flash and VMAX3 Solutions Exam 試験

最新更新時間: 2020/11/14,合計28問。

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Question No : 1
A VMAX3 array needs additional capacity added. The array is providing acceptable performance and the administrator wants to ensure performance is maintained as new drives are added.
A VMAX3 array needs additional capacity added to maintain performance?

正解:

Question No : 2
After a failure of a Concurrent SRDF/Star configuration, the Star query shows:



Which Star action(s) should be executed first to recover from this failure?

正解:

Question No : 3
Refer to the Exhibit.



Which port assignments for external array connectivity satisfy high availability and best practices for a dual engine VMAX3 configuration with FAST.X?

正解:

Question No : 4
To determine Service Level Objective compliance on a VMAX3, where is the I/O response time measured?

正解:

Question No : 5
Based on business requirements, Concurrent SRDF/Star has been implemented with host infrastructure at the Workload and Asynchronous sites. A disaster fault has occurred. Star query shows: Which site should the workload be moved to and which site’s data should be kept?



正解:

Question No : 6
A new VMAX3 array has been added to the environment. Unisphere for VMAX has discovered the array and can be used to manage the array.
However, Unisphere is not able to collect any performance data for the array.
What is a possible cause?

正解:

Question No : 7
In an SRDF/Metro environment, where is the vWitness lock service, -storwlsd, running?

正解:
Explanation:
Reference: https://www.emc.com/collateral/technical-documentation/h14556-vmax3-srdf-metro-overview­and-best-practices-tech-note.pdf?isKoreaPage=false&domainUrlForCanonical=https%3A%2F% 2Fwww.emc.com (15)

Question No : 8
Which role does the Unisphere for VMAX initial setup user have after the creation of a new user with the “Admin” role?

正解:
Explanation:
Reference: https://www.emc.com/collateral/TechnicalDocument/docu78884.pdf (14)

Question No : 9
Based on the exhibit, which user(s) can enable/disable symauth?



正解:

Question No : 10
An administrator implemented SYMACLs on a VMAX3 using hardware-based Access IDs. The administrator is not able to run SYMCLI commands against the volumes belonging to a host. The volumes were originally provisioned using the host in which the host in which the administrator experienced issues.
What is a possible reason for this issue?

正解:

Question No : 11
A company is using a local VMAX3 for production and another VMAX3 on a remote location for disaster recovery purposes that is 5000 kilometers away.
Which SRDF mode supports an RPO of 2 seconds?

正解:
Explanation:
Reference: https://taiwan.emc.com/collateral/technical-documentation/h14556-vmax3-srdf-metro-overview­and-best-practices-tech-note.pdf

Question No : 12
Which feature does the embedded eDPM server support on a VMAX3?

正解:
Explanation:
Reference: https://www.emc.com/collateral/white-papers/h13936-emc-vmax3-data-rest-encryption-wp.pdf
(5)

Question No : 13
A VMAX3 array has been configured to use TimeFinder SnapVX. A snapshot is taken of a LUN that currently resides on a 10k drive.
Which mechanism will SnapVX use when there is a write to a linked target volume?

正解:

Question No : 14
On a VMAX3 array, under which type of workload will Selective Cache Mirroring provide significant performance optimization?

正解:

Question No : 15
DRAG DROP
What is the correct sequence of steps when the Non-Disruptive Migration create operation is run?



正解:


Explanation:
Reference: https://www.google.com/url? sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=2ahUKEwiDxOC-8IfdAhWq­ioKHcH2DZkQFjABegQIBxAC&url=https%3A%2F%2Fdelltechnologiesworldonline.com%2F2017% 2Fconnect%2FfileDownload%2Fsession%2F80D60E17BDDA3133AED6533292546972%2Fstorage07% 2520VMAX% 2520EnsuringNonDisruptiveMigrationtoVMAXAllFlash_topost.pdf&usg=AOvVaw3UoOzA7rnU9VvZyUcA61 Sm

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