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EMC E20-547 Dumps

VNX Solutions Specialist for Storage Administrators
VNX Solutions Specialist for Storage Administrators

Questions & Answers for EMC E20-547

Showing 1-15 of 203 Questions

Question #1 - Topic 1

Which Linux kernel supports dynamic LUN scanning?

A. 2.3

B. 2.4

C. 2.5

D. 2.6

Question #2 - Topic 1

What are features of VNX Snapshots?

A. Uses redirect on first write. Lower write performance impact.

B. Uses copy on first write. Supported with pool-based LUNs.

C. Uses redirect on first write. Supported with all LUN types.

D. Uses copy on first write. Does not require reserve LUN pool.

Question #3 - Topic 1

What is the minimum acceptable number of drives in a RAID 5 pool on a VNX array?

A. 3

B. 4

C. 5

D. 9

Question #4 - Topic 1

A storage administrator configured and presented storage pool LUNs to an MSCS cluster.
A few weeks later, the cluster administrator reported the LUNs are too large and smaller
LUNs are needed.
What do you advise?

A. The MSCS Cluster will need to be rebuilt.

B. Use the LUN shrink feature.

C. The VLUN migration feature must be used.

D. Use SANCopy to migrate to smaller LUNs.

Question #5 - Topic 1

What is an advantage of the VAAI feature when provisioning an ESXi host from a VNX

A. Some workload can be offloaded from the host to the array freeing up host resources

B. vCenter can directly communicate with the array to discover capabilities and monitor health

C. Hosts automatically register initiators with the array and optimize initiator configuration

D. Array connectivity is automatically load balanced and protected from path failures

Question #6 - Topic 1

A SnapView snapshot can have how many snapshots of the source LUN?

A. 8

B. 24

C. 128

D. 256

Question #7 - Topic 1

What is a valid characteristic of striped metaLUNs?
Striped metaLUNs:

A. must be built from the same RAID types and sizes

B. can mix thick and thin LUNs

C. cannot be expanded once created

D. components have a varying performance profile

Question #8 - Topic 1

What is the correct VNX Block – based VAAI operation?

A. Array Accelerated Full Copy

B. Array Accelerated Bulk copy

C. Thick Lun Provisioning

D. Pause and Resume

Question #9 - Topic 1

What happens when a reverse synchronization completes without Protected Restore Mode

A. Only the reverse-synchronized clone remains unfractured.

B. Host writes to the source LUN are not mirrored to clone.

C. All clones will be fractured.

D. The gold copy clone used for restore will remain as is.

Question #10 - Topic 1

What occurs after data compression of a RAID-group LUN?

A. Source LUN is unbound from the RAID-group.

B. The LUN is defragmented.

C. Freed space is returned to the storage pool.

D. Host I/O is restarted

Question #11 - Topic 1

During the installation process of a VNX for Block and File system, you are prompted to
change passwords for the default accounts.
Which user password can be changed?

A. sysadmin

B. storageadmin

C. admin

D. administrator

Question #12 - Topic 1

What is the back-end bus speed, per lane, on the VNX series array?

A. 2 Gb

B. 4 Gb

C. 6 Gb

D. 8 Gb

Question #13 - Topic 1

After presenting a LUN to a Linux host, which utility is used to configure a partition?

A. fdisk

B. Disk Management

C. Unisphere Server Utility

D. Unisphere Service Manager

Question #14 - Topic 1

A customer has an application that uses a lot of capacity but has very low performance
requirements. Their new VNX is fully virtually provisioned and uses FAST VP storage
pools. The customer wants to configure the LUNs for this application on low performance
How should the LUNs be initially configured?

A. Using the Lowest Available Tier option.

B. A traditional RAID-group LUN on SATA drives should be used.

C. Using the Optimize for Pool Performance option.

D. A traditional RAID-group LUN on NL-SAS drives should be used.

Question #15 - Topic 1

Which RecoverPoint configuration details can be presented in report format when using
Data Protection Advisor?

A. Replication sets

B. Replication lag

C. Link state change

D. RPA configuration changes