Pass the EMC EMC Certification E20-555 Questions and answers with CertsForce

Viewing page 4 out of 11 pages
Viewing questions 31-40 out of questions
Questions # 31:

Which data access pattern uses moderate prefetching?

Options:

A.

Streaming


B.

Mirroring


C.

Random


D.

Concurrency


Expert Solution
Questions # 32:

You get a call from a customer that has just added 200 user connections to the cluster. They want to know how fast they are writing data with these new users.

What tool would you use to gather this information?

Options:

A.

InsightIQ


B.

Network Monitor


C.

Wireshark


D.

Watch4net


Expert Solution
Questions # 33:

You are reviewing an opportunity with a trusted advisor. You both discover gaps in the initial solution design.

Each iterative discussion with the customer helps you define the solution better. The documents produced capture the customer's requirements.

What else needs to occur to refine the sizing considerations?

Options:

A.

Validate the Workflow Profile Assessment and test the solution against your findings.


B.

Review you assumptions and ask the customer what business issue you're solving.


C.

Provide the CIO with the findings and gain commitment to a Proof of Concept.


D.

Complete your Solution Design Document and forward to EMC consulting.


Expert Solution
Questions # 34:

A Media and Entertainment company is considering changing from 2K resolution to 4K resolution. They will continue to use the DNxHD 220 codec.

Assuming everything else stays the same, how will this change affect storage?

Options:

A.

Storage will be half as large


B.

Storage requirements will not change


C.

Storage will be twice as large


D.

Storage will be four times as large


Expert Solution
Questions # 35:

A potential customer requires 4 PB of usable capacity to store media files. The workloads are a combination of streaming video delivery and long term archive of video assets.

There is very little space available in the customer's datacenter, so physical density is very important. The customer is concerned about performance impact and potential data loss when using 3 TB or larger drives.

What Isilon capabilities can address the customer's concerns?

Options:

A.

Isilon does not perform rebuilds - data reprotection is typically 2x-3x faster than traditional RAID rebuilds.N+3 and N+4 Protection Levels exceed traditional RAID6 availability.Data redistribution runs faster with more nodes in the cluster.


B.

N+3 and N+4 Protection Levels exceed traditional RAID6 availability.Proactive hot sparing eliminates most drive rebuilds.Endurant Cache reduces the overhead for write operations.


C.

Isilon does not perform rebuilds - data reprotection is typically 2x-3x faster than traditional RAID rebuilds.Data recovery is consistent, taking the same amount of time regardless of cluster size.Isilon 'short strokes' 4TB drives to reduce rebuild time.


D.

Isilon nodes have more drives per rack unit so fewer shelves are required.Proactive hot sparing eliminates most drive rebuilds.N+3 and N+4 Protection Levels exceed traditional RAID6 availability.


Expert Solution
Questions # 36:

If business objectives such as value and SLAs are considered, which Isilon license feature provides the ability to manage performance and the cost of data in a cluster?

Options:

A.

SmartPools


B.

SmartConnect


C.

SyncIQ


D.

SmartQuota


Expert Solution
Questions # 37:

A customer configures a file pool policy to write data to tier 2 on the Isilon cluster. This is in addition to the 30 policies already created. Later in the week they check the file placement and see that it has not been written to the correct tire. What could be the problem?

Options:

A.

Number of allowable policies has been exceeded so the new policy will not run.


B.

File matches a policy for a different tier that is listed higher in the file pool policy list.


C.

SmartPools policy job has not yet run so the file was written using the default policy.


D.

File matches a policy for a different tier that is listed lower in the file pool policy list


Expert Solution
Questions # 38:

How many files can reference a single block within a shadow store?

Options:

A.

8


B.

128


C.

512


D.

32,000


Expert Solution
Questions # 39:

What is the minimum number of nodes in an Isilon cluster for N+2 protection?

Options:

A.

3


B.

5


C.

6


D.

9


Expert Solution
Questions # 40:

What accurately represents Isilon SyncIQ Automated Failover?

Options:

A.

SmartLock directories will automatically failover


B.

Replication relationships will change upon failover


C.

No changes in Identity Management will be needed


D.

Target directories will not need to be shared with clients


Expert Solution
Viewing page 4 out of 11 pages
Viewing questions 31-40 out of questions