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EMC DES-1121 - Specialist: Implementation Engineer - PowerMax and VMAX Family Solutions Exam

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Total 69 questions

An administrator is using Unisphere tor PowerMax Workload Planner to assess the performance and compliance of a PowerMax Storage Group (SG) How does the Planner calculate if the Storage Group workload is stable?

A.

Both calculated values are within a 10-15% threshold of the SL-defined response time

B.

Both calculated values are within the SL-defined response time

C.

One of the calculated values remains within the SL-defined response time

D.

One of the calculated values is within 10-20% of the SL-defined response time

Where are the Host l/Os directed to when the Storage Group is in a Non-Disruptive Migration CutoverReady state?

A.

Source array only

B.

Held in host cache

C.

Source and target arrays

D.

Target array only

Which units of measure are used to specify the size type when creating volumes in Unisphere?

A.

Cylinders, MB, GB, TB

B.

MB and GB only

C.

MB, TB, PB

D.

Cylinders, GB, TB. PB

A host has LUNs assigned through a Masking View containing one regular Storage Group The Storage Group has the gold service level assigned One LUN requires a higher service level What is the correct sequence of steps required to assign the platinum service level to that LUN?

An administrator is managing two PowerMax arrays that are located in two different data centers. The data centers are 550 km apart and are connected by a high bandwidth network link. The administrator wants to replicate data between the two arrays and achieve the lowest RPO

When using SRDF. which mode meets this requirement?

A.

Asynchronous

B.

Adaptive Copy

C.

Metro

D.

Synchronous

What takes place during an SRDF Establish operation?

A.

Changes made to the R1 are propagated to the R2. Changes made to the R2 are discarded

B.

Enables access to both the R1 and R2 devices on the hosts

C.

Changes made to the R2 are propagated to the R1 Changes made to the R1 are discarded.

D.

Resumes normal SRDF mirroring and host access

What is the correct sequence of steps to obtain PowerMax licenses and ensure the PowerMax is configured to allow the licensed features to work properly?

A non-production environment has been created with a VMFS Datastore named TestDS and a virtual machine named TestVM. SRDF/S has been configured between two PowerMax arrays One ESXi server is connected to the R1 device and another is connected to the R2 device. The VMFS Datastore resides on the R1 device. The systems administrator wants to test the environment for disaster recovery readiness To simulate a disaster on the R1 side a graceful failover will be done. What is the correct sequence of steps on the R1 side of the test environment to perform a graceful failover?

Two RDF groups from two PowerMax arrays have been added to a Consistency Group SRDF/A Multi-Session Consistency has been enabled for the Consistency Group. The RDF daemon has been started on a single host that has access to both the PowerMax arrays

What will happen if the host becomes unavailable?

A.

Cycle switching will stop

B.

RDF links will be suspended immediately

C.

SRDF pair state will become Partitioned

D.

SRDF mode will change to Adaptive Copy Disk

What is the performance metric for the read-to-write ratio of workloads on a specific logical block address?

A.

Workload clustering

B.

Workload type

C.

Prefetch

D.

Data spanning