E20-545 Online Practice Questions and Answers

Refer to the exhibit.

A customer has a VNX with twenty 300 GB SAS drives. Which mechanism does AVM use to increase capacity with auto expansion?

A. Meta volume

B. Striping

C. Slicing

D. Disk volume

A customer has implemented Unisphere Quality of Service to ensure that an application obtains the resources necessary to meet the required service level based on a consistent IOPS level. However, when the storage administrator reviewed performance of the application, the IOPS were variable and lower than expected. Other applications are receiving exactly the resources defined through the performance policies. What might be the problem?

A. The cruise control is within its learning period.

B. TheUnisphereQoS control engine did not start.

C. The queue depth was set improperly.

D. The IOPS limit for the application was set too high.

Refer to the exhibit.

This VNX has the disks shown in the front view. They are all 300 GB 10K disks.

What is the maximum number of drives that you can add to a new RAID group in this situation?

A. 16

B. 15

C. 30

D. 26

Which VNX feature lets you dynamically expand the capacity of a single LUN (base LUN) into a larger unit?

A. Activation

B. ALUA

C. metaLUN

D. Volume groups

A company has decided to use CAVA as their antivirus solution. Which protocol does CAVA use to support antivirus protection in a Celerra environment?

A. Common Internet File System

B. Multi Protocol File System

C. Network File System

D. File Transfer Protocol

You have a customer environment where deployment time is crucial. Disaster Recovery setup is a "must have" for production. There is a 10 Gbe network infrastructure between the sites.

The customer informs you that any changes in the network infrastructure will have a long lead time. Also, the FC blades for their SAN have not been delivered yet.

What is the best way to fulfill their requirements?

A. Configure Data Mover networking using FSN Configure MirrorView for block replication

B. Configure Data Mover networking using LACP Configure MirrorView for block replication

C. Configure Data Mover networking using LACP Wait for the FC blades to be delivered

D. Configure Data Mover networking using FSN Configure Replication Manager for block replication

Your customer has a requirement for multiple ESXi 5.1 hosts to simultaneously access volumes and run multiple VMs in their VNX for File environment.

How should you provide storage?

A. NFS Version 4

B. NFS Version 3

C. CIFS share

D. RDM disk

What is the purpose of the Usermapper on VNX?

A. Used in CIFS-only environments to generate mappings automatically between UNIX UID/GID and Windows user/groups

B. Used to pull UID/GID information from NIS to generate mappings between UNIX UID/GID and Windows user/groups

C. Editable file that allows administrators to create special mappings between UNIX UID/GID and Windows user/groups

D. Used in NFS-only environments to generate mappings automatically between UNIX UID/GID and Windows user/groups

Which statement describes the Reserved LUN Pool?

A. Member LUNs must be inStorageGroup

B. Requires the FAST VP enabler

C. A managed object used by VNX Snapshots

D. Contains chunks of 64 kB in size

A 512 GB LUN has three clones. While Clone 1 is fractured, and Clones 2 and 3 are in the non- fractured state, a secondary host performs 200 random writes of 4 kB to Clone 1. Clone 1 is then used in a Protected Restore operation.

How much data is written to the Source LUN by the restore process?

A. 800 kB

B. 12,800 kB

C. 25,600 kB

D. 51,200 kB