E20-885 Dumps

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Vendor: EMC

Certifications: Implementation Engineer

Exam Name: VNX Solutions Expert Exam for Implementation Engineers

Exam Code: E20-885

Total Questions: 275 Q&As

Last Updated:

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E20-885 Q&A's Detail

Exam Code: E20-885
Total Questions: 275

E20-885 Online Practice Questions and Answers

Questions 1

A customer is concerned about performance on their EMC VNX. The VNX provides storage for several Windows and UNIX application servers. By monitoring the switches, they notice heavy traffic between the servers and the VNX. On the VNX, the hard disks seem to be heavily accessed.

The customer wants to know if the operation rate is well balanced between the disk volumes. Which compound server_stats command will provide the needed information?

A. cifsOps-std

B. diskVolumes-std

C. nfsOps-std

D. metaVolumes-std

Show Answer
Questions 2

A Storage Administrator with a VNX Unified solution is using the CLI to monitor daily storage performance. They must type long commands to identify and examine their particular desired statistical results. You have been asked to create statistical groups to accelerate and ease the demanding monitoring tasks.

What should you use to accomplish this job?

A. nas_stats

B. server_stats

C. naviseccli

D. iostat

Show Answer
Questions 3

A customer has two VNX systems: At the local site, a VNX capable of performing 20,000 LUN IOPS At the remote site, a VNX capable of performing 14,000 LUN IOPS

At the local site, application LUNs to be mirrored to the remote site perform 2,000 random 4 kB IOPS, with a R/W ratio of 3:1. At the remote site, application LUNs to be mirrored to the local site perform 1,200 random 8 kB IOPS, with a R/W ratio of 2:1. The utilization of both systems must be 70% or lower. MirrorView/A will be used to replicate the data.

How much throughput can be performed by other applications at the local and remote sites?

A. Local: 9,600 IOPS; Remote: 5,600 IOPS

B. Local: 16,800 IOPS; Remote: 10,800 IOPS

C. Local: 12,000 IOPS; Remote: 8,600 IOPS

D. Local: 18,000 IOPS; Remote: 12,800 IOPS

Show Answer
Questions 4

A customer is using VNX Replicator to replicate data from a single file system to a remote location. They are planning to replicate more file systems, but monitoring tools are showing bursts of data on the link instead of a smooth and constant flow of data. They also notice that latency on the link is higher than expected.

What would you advise them to do to make more efficient use of the link?

A. Use multiple network interfaces for the Data Mover interconnects

B. Use Unisphere QoS Manager to throttle bandwidth for Replicator

C. Set the TCP fast timer to 500 ms

D. Set the TCP slow timer to 200 ms

Show Answer
Questions 5

A customer is testing a DR solution. They want to change the destination file system from read only to read/write and stop the transmission of replicated data.

How can this be accomplished?

A. Replication failover

B. Replication failback

C. Replication reversal

D. Replication switchover

Show Answer More Questions

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