VNX Solutions Specialist Exam for Technology Architects (E20-545) Free Practice Test

Question 1

A customer reported degraded performance with several of the applications that run on a VNX. After reviewing the performance data on the array, you find that all the performance issues are related to one RAID 5 RAID Group. Specifically, this RAID Group is performing 50 percent fewer IOPS than previously.
What is the most likely reason?

A. Read cache is not configured.

B. The RAID Group is trespassed.

C. The RAID Group is rebuilding.

D. Write cache is not configured.

Correct Answer: C

Question 2

In what chunk size does the Fast VP Scheduler move data between tiers for a LUN?

A. 1 GB

B. 64 KB

C. 648 MB

D. 8 KB

Correct Answer: A

Question 3

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. File Transfer Protocol

C. Network File System

D. Multi Protocol File System

Correct Answer: A

Question 4

A customer will be configuring metaLUNs for their application. The customer requires that the application provide the most predictable performance possible.
Which type of metaLUN should be recommended?

A. Plaid

B. Concatenated

C. Striped

D. Hybrid

Correct Answer: D

Question 5

What is a primary capability of Data Protection Advisor (DPA)?

A. Audit multipath count and status

B. Create and delete snapshots

C. Quiesce DB2 and start a backup

D. Suggest improvements to the replication environment

Correct Answer: D

Question 6

A customer has a requirement for multiple ESXi 5.1 hosts to simultaneously access volumes and run multiple VMs in their VNX for File environment. What will enable additional storage to be provided?

A. RDM disk

B. NFS Version 3

C. CIFS share

D. NFS Version 4

Correct Answer: B

Question 7

A customer has created a pool with a Flash tier, a SAS tier and a NL SAS tier. The customer notices that there has been no data movement between the tiers after 24 hours. What would account for this behavior?

A. Statistics logging has not been enabled.

B. The Flash tier is over 90 percent capacity.

C. The SAS tier is under 90 percent capacity.

D. FAST has not been enabled.

Correct Answer: D

Question 8

A customer wants to improve the network throughput of the NFS-connected ESXi server with jumbo frame support. They configured an FSN on the VNX with default settings. An MTU size of 9000 was set on the ESXi server in the network switch. After several performance tests the customer has not detected any performance improvement.
What must be done so that the throughput will be increased?

A. Set the MTU size of the ESXi server to 9016.

B. Set the MTU size of ESXi server and network switch to 4500.

C. Set the MTU size in the network switch to 12000.

D. Set the MTU size of the FSN to 9000.

Correct Answer: D

Question 9

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. Pool LUN

C. Thin LUN

D. Thick LUN

Correct Answer: A

Question 10

Which statements describe FAST-VP behavior?

A. Moves extents between tiers within a pool Moves extents between private LUNs within a tier Rebalances data within a tier when drives are added

B. Rebalances data within a tier when drives are added Does not move extents within a tier Moves extents between tiers within a pool

C. Promotes data to Flash drives in 64 KB extents Moves extents between private LUNs within a tier Moves extents between tiers within a pool

D. Moves extents between drives within a tier Promotes data to Flash drives in 128 MB extents Moves extents between tiers within a pool

Correct Answer: A

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EMC VNX Solutions Specialist Exam for Technology Architects (E20-545) Free Practice Test