E20-545 Online Practice Questions and Answers

According to EMC best practices, how many secondary Usermappers are recommended in a multiple VNX array environment?

A. One per VNX array

B. One per Data Mover

C. One per additional VNX array

D. One per VNX environment

You have a thin LUN in a RAID 5 pool. What will be the result of moving this LUN to a RAID 1/0 VP pool?

A. The thin LUN will be fully provisioned.

B. The operation will fail; you cannot migrate between VP pools.

C. Only the consumed space is copied.

D. After the migration you will have a fully provisioned thick LUN.

A VM guest on an ESX host requires direct access to a LUN. Which mechanism enables this?

A. RDM

B. Datastore

C. MetaLUN

D. Private LUN

What should you consider when planning to create a file system of maximum size?

A. The file system may be too large to replicate/back up efficiently.

B. The file system must be placed on AVM created volumes.

C. The file system must be placed on manually created volumes.

D. The file system may be too large for NFS exports.

Which location is used to optimize cached ACL database lookups?

A. SP memory

B. Vault drives

C. Read cache

D. Host memory

An environment contains five LUNs of 160 GB each, and five LUNs of 140 GB each. Each of the LUNs will have a SnapView Snapshot created on it.

What is the recommended configuration of the Reserved LUN Pool?

A. 20 classic LUNs of 15 GB each

B. 20 thin LUNs of 15 GB each

C. 5 thick LUNs of 16 GB each, and 5 thick LUNs of 14 GB each

D. 10 classic LUNs of 8 GB each, and 10 classic LUNs of 7 GB each

A customer is testing VNX Snapshot actions on their new VNX array. They plan to make a point- in-time copy accessible to the host and then remove the point-in-time copy from the host.

What VNX Snapshot functions will they need to use?

A. Activate and Deactivate

B. Attach and Detach

C. Establish and Split

D. Synchronize and Fracture

In RecoverPoint, at what level can bandwidth limits be set?

A. Consistency Group

B. RecoverPoint Appliance

C. Replicated LUN

D. Journal Volume

What are characteristics of VNX Host Encryption?

A. Software-based Allows the user to select which data to encrypt

B. Hardware-based Allows the user to select which data to encrypt

C. Software-based Encrypts all data stored on the VNX by default

D. Hardware-based Encrypts all data stored on the VNX by default

A current PowerPath Encryption customer plans to add a second VNX array to their production environment. They plan to use the VNX Host Encryption feature and ask whether any environment downtime is required to implement this new feature.

What should you advise?

A. Adding VNX Host Encryption to an existing PowerPath Encryption environment is non- disruptive.

B. They will need to set each HBA offline, one at a time, to add VNX Host Encryption.

C. A host reboot is required to implement VNX Host Encryption in this environment.

D. VNX Host Encryption cannot be integrated into environments with existing PowerPath Encryption.