EMC EMC Certifications E20-393 Questions & Answers

• Question 121:

  Which feature is only supported on physical Dell EMC Unity systems?

  A. Asynchronous Replication

  B. Synchronous Replication

  C. Host I/O Limits (QoS)

  D. VVols

  Correct Answer: C

• Question 122:

  Dell EMC Unity systems collect several metrics at various time intervals and use ESRS to send the information to CloudIQ. What are those metrics and their time intervals?

  A. Alerts = 5 min Performance = 5 min Capacity = 1 hr Configuration = 1 hr

  B. Alerts = 2 min Performance = 1 hr Capacity = 1 hour Configuration = 1 hr

  C. Alerts = 5 min Performance = 1 hr Capacity = 2 hour Configuration = 1 hr

  D. Alerts = 2 min Performance = 30 min Capacity = 1 hr Configuration = 1 hr

  Correct Answer: A

• Question 123:

  What is a characteristic of the iSCSI interface on Dell EMC Unity storage arrays?

  A. IQN aliases can be created optionally after the iSCSI interface is created.

  B. IQN aliases are associated with an iSCSI interface.

  C. IQNs are associated with a network port.

  D. An iSCSI interface can be created with both an IPv4 and IPv6 IP address.

  Correct Answer: C

  Reference: https://www.emc.com/collateral/TechnicalDocument/docu88302.pdf (11)

• Question 124:

  What is a consideration when attempting to downgrade from Integrated ESRS Two-way to ESRS One-way?

  A. Ensure that port 9443 is open

  B. Validate Dell EMC Support Credentials

  C. Run readiness check prior to downgrading ESRS

  D. Downgrading ESRS is not supported

  Correct Answer: D

• Question 125:

  A Thin Clone has just been created. What operation can be performed on it?

  A. Change FAST VP Policy

  B. Change SP ownership

  C. Change Data Reduction setting

  D. Increase its size.

  Correct Answer: D

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h15089-dell-emc-unity-snapshots-and-thin-clones.pdf (27)

• Question 126:

  Which FAST Cache operation proactively copies dirty pages to underlying hard disk drives?

  A. FAST Cache flushing

  B. FAST Cache promotion

  C. FAST Cache warming

  D. FAST Cache cleaning

  Correct Answer: A

• Question 127:

  What is a use case for Thin Clones?

  A. Primary production

  B. Development and testing

  C. Offline backup

  D. Data archiving

  Correct Answer: B

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h15089-dell-emc-unity-snapshots-and-thin-clones.pdf (25)

• Question 128:

  Which Dell EMC Unity model(s) supports the 12 Gb/s SAS I/O module?

  A. All Dell EMC Unity models

  B. Dell EMC Unity 600/650F only

  C. Dell EMC Unity 500/550F and Dell EMC Unity 600/650F only

  D. Dell EMC Unity 400/450F, Dell EMC Unity 500/550F, and Dell EMC Unity 600/650F only

  Correct Answer: C

  Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h15084-dell_emc_unity-introduction_to_the_platform.pdf (14)

• Question 129:

  Which Dell EMC Unity service task is used to reinstall the root operating system while leaving the existing data intact?

  A. Restart the Management Software

  B. Restart the Management Server

  C. Reinitialize the Storage System

  D. Reimage the Storage Processor

  Correct Answer: D

• Question 130:

  On a Dell EMC Unity system, all hosts can be required to use which authentication method for iSCSI interfaces?

  A. PAP

  B. Kerberos

  C. EAP

  D. CHAP

  Correct Answer: D

  Reference: https://www.dellemc.com/en-us/documentation/unity-family/unity-p-hst-fc-iscsi/02-vxe-hst-br-fi-setting-up-iscsi-unixhost.htm