Pass the EMC DECS-IE DES-1721 Questions and answers with CertsForce

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Questions # 21:

A customer has a dual controller system, two independent Fibre Channel switches, and six servers all multipathed. How many zones should be present on each for the SAN to run properly in Virtual Port Mode?

Options:

A.

6


B.

8


C.

12


D.

16


Expert Solution
Questions # 22:

Which option will enable compression on an SC Series array volume?

Options:

A.

Compression Profile


B.

Default Compression


C.

Data Reduction Profile


D.

Enable Compression


Expert Solution
Questions # 23:

Refer to the exhibit.

Question # 23

Which port on the second SC280 expansion enclosure is used to connect the first expansion enclosure to the second expansion enclosure on the A-side of this configuration?

Options:

A.

A = Port A, left EMM


B.

B = Port B, Left EMM


C.

C = Port C, Left EMM


D.

D = Port B, Right EMM


Expert Solution
Questions # 24:

When planning the necessary Bandwidth for Remote Instant Replay what needs to be considered?

Options:

A.

Mismatched MTU


B.

FC Zoning between sites


C.

Volume QoS


D.

Snapshot frequency


Expert Solution
Questions # 25:

What is the maximum memory supported on a single SC9000 controller?

Options:

A.

64 GB


B.

96 GB


C.

128 GB


D.

256 GB


Expert Solution
Questions # 26:

Refer to the exhibit.

Question # 26

The servers are zoned to best practices. The output of the switch is shown below:

Question # 26

Which is the Physical Zone of Fault Domain B?

Options:

A.

Zone_A


B.

Zone_C


C.

Zone_D


D.

Zone_B


Expert Solution
Questions # 27:

Question # 27

Based on the exhibit, a customer is using Virtual Port Mode. If the primary path for the controller on the “left” is disconnected while running an IOmeter test for a volume owned by the “left” controller, will the system survive failover?

Options:

A.

Yes, Virtual Port Mode will failover the I/O through the other available paths.


B.

No, Virtual Port Mode does not support port failover.


C.

No, the system does not have reserved paths to perform failover.


D.

Yes, the reserved path will be active and I/O will continue.


Expert Solution
Questions # 28:

A customer is facing poor performance on all synchronously replicated volumes every Thursday between 4 PM and 6 PM. All departments have checked their applications for any batch jobs; however, nothing was found. The I/O graphs do not show any anomaly and the replication links are not saturated.

What is the possible reason for this behavior?

Options:

A.

Switches used for replication are restarting


B.

QoS Bandwidth Limit is enabled in the QoS node


C.

Data Progression is consuming all disk performance


D.

Automatic report creation is impacting replication


Expert Solution
Questions # 29:

How much memory does the Dell Storage Manager (DSM) Virtual Appliance require to manage seven SC Series arrays?

Options:

A.

2 GB


B.

4 GB


C.

8 GB


D.

16 GB


Expert Solution
Questions # 30:

A customer is using an SC9000 array with two chained SC280 expansion enclosures. They need to expand its capacity by adding a third SC280 drive bay. What is the most cost efficient way to expand the array's capacity using as few chains as possible?

Options:

A.

Add the SC280 to the same chain as the existing SC280 enclosures


B.

Install two new SAS I/O cards and distribute the SC280 enclosures between them


C.

Add the new SC280 to a new chain on the same SAS I/O card


D.

Install a new SAS I/O card to connect the SC280 enclosure


Expert Solution
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