E20-545 Online Practice Questions and Answers

A customer has a requirement to create a LUN whose workload is spread across many drives and has no capacity overhead beyond what the RAID type requires. Which type of LUN should the customer create?

A. RAID group LUN

B. Thin LUN

C. Thick LUN

D. Pool LUN

Which feature of VSI can be used for block storage on a VNX?

A. Extend storage

B. Deduplication/Compression

C. Provision storage

D. VM clones with View

What is the best fit workload recommendations when using Flash drives in a VNX File environment?

A. Virtual Desktop Infrastructure

B. Backup-to-disk

C. Data archiving

D. Web server

When creating a RAID 5 RAID Group from SAS disks, EMC best practice recommends selecting drives from the same bus.

Why?

A. There is little, if any, performance increase from using multiple busses.

B. Hot spares are always chosen from the same bus as the majority of disks in the RAID Group.

C. There is a slight decrease in performance when using multiple busses.

D. Only RAID 1/0 groups can be created across multiple busses.

An enterprise-level customer recently purchased a pair of VNX Gateways with VMAX backend storage arrays to provide File services. Their requirements include the ability to have synchronous, off-site data protection. All CIFS and NFS services will be configured within VDMs for ease of logical administration.

Which EMC technology should be recommended?

A. SRDF/S

B. VNX Replicator

C. MirrorView/S

D. RecoverPoint

What is a characteristic of secmap?

A. Present only on physical Data Movers

B. Generates user mappings

C. Persistent mapping

D. Entries can be modified in Unisphere GUI

Which VNX virtual device can be deployed independently of pre-existing customer Ethernet configurations?

A. Fail Safe Networking

B. Link Aggregation

C. Ethernet Channel

D. MAC addressing

A customer is using Replication Manager and needs to allow their Operations team to configure new application sets. The company security policy does not allow the Operations team to restore any replicas.

Which user role will meet the customer requirements?

A. Power User

B. Operator

C. Database Administrator

D. Replication Manager Administrator

A customer is trying to understand the relationship between file systems, VNX SnapSure checkpoints, bitmaps, and blockmaps. They want to know the number of blockmaps on a file system.

How many blockmaps are available per file system?

A. As many as there are checkpoints

B. As many as there are file systems

C. One per 20 GiB of data

D. One for all file systems per VDM

Which applications are supported by AppSync?

A. MS Exchange, MS SQL Server, and VMware

B. SAP, MS SQL Server, and VMware

C. Oracle, SharePoint, and DB2

D. VMware, MS Exchange, and SAP