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E20-542 Questions and Answers

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E20-542 Questions and Answers

Question # 6

What is a requirement before a port can be disassociated from an FA emulation on a VMAX3?

A.

Port must not be a member of any Port Group.

B.

Port must not belong to an RDF group.

C.

All ports associated with the FA emulation must be offline.

D.

All ports on the I/O module must be offline.

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Question # 7

You are in the process of sizing a new VMAX3 solution. One of the workloads will be replicated with TimeFinder SnapVX.

Workload Details:

Capacity = 10000 GiB

IOPS = 400

Change Rate = 25%

Mounted Snaps = 2

Mounted Copy IOPS = 20

How much additional capacity will the VMAX Sizer account for with this workload due to SnapVX?

A.

2000 GiB

B.

2500 GiB

C.

3000 GiB

D.

10000 GiB

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Question # 8

You are in a meeting with a customer describing the features of VMAX3 arrays. The customer wants additional information about the VMAX3 factory pre-configuration.

Which objects are pre-configured at the factory?

A.

Disk Groups, Data Pools, and a Storage Resource Pool

B.

Storage Resource Pools and Masking Views

C.

Disk Groups, Data Pools, and Storage Groups

D.

Data Pools, Storage Resource Pools, and Port Groups

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Question # 9

A customer needs a new VMAX3 solution to include SRDF/A over GigE. You are in the process of sizing the VMAX3 array with VMAX Sizer. Which additional step is necessary to meet the requirements?

A.

Define the constraints to include SRDF GigE ports before sizing the scenario.

B.

Define the constraints to include SRDF GigE I/O modules before sizing the scenario.

C.

Size with the default constraints and then perform a "What if Analysis" to include SRDF GigE ports.

D.

Size with the default constraints, export the XML file, and then edit the XML file to include SRDF GigE I/O modules.

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Question # 10

What is the best practice sizing guideline for back-end (DS) utilization on a two-engine VMAX3?

A.

40%

B.

50%

C.

60%

D.

70%

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Question # 11

You are in the process of designing an SRDF/A MSC solution with BCSD. Which BCSD component is required for a successful SRDF/A MSC design?

A.

Composite Group

B.

SRDF Logical Relationship

C.

Array Replication Group

D.

SRDF Physical Relationship

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Question # 12

What is the maximum number of linked targets that TimeFinder SnapVX supports?

A.

32

B.

128

C.

256

D.

1024

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Question # 13

What is the EMC_smasdb service on a Unisphere for VMAX Windows server?

A.

Unisphere for VMAX performance database service

B.

Solutions Enabler SYMAPI server daemon

C.

Solutions Enabler statistics daemon

D.

Unisphere for VMAX application service

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Question # 14

You have configured Open Replicator between a new VMAX3 array and a VMAX. A host is connected to the VMAX3 array and a control device is configured to pull data from a remote device on the VMAX. You want the host to be able to access data on the control device while the data is being pulled from the remote device.

What will cause writes to the control device to be propagated back to the remote device?

A.

Donor Update

B.

Copy-On-First Access

C.

Front-end Zero Detection

D.

Background Copy

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Question # 15

You are in a meeting with a customer describing the features of VMAX3 arrays. The customer wants confirmation that VMAX3 arrays can meet their LUN size requirements.

What is the largest thin device that can be created?

A.

240 GB

B.

16 TB

C.

60 TB

D.

64 TB

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Question # 16

A storage administrator attempts to link a TimeFinder SnapVX snapshot to a target Storage Group using Unisphere for VMAX. Which Storage Groups (SGs) will be available?

A.

SGs not in any Masking View

B.

SGs in a Masking View

C.

SGs not managed by the Optimized SLO

D.

SGs managed by the Optimized SLO

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Question # 17

You have been tasked with designing a new VMAX3 array with VMAX Sizer. The customer is interested in SRDF/A and TimeFinder SnapVX for some of their applications.

Which VMAX Sizer page allows you to include SRDF/A, SnapVX, and set the desired SLO for these specific applications?

A.

Workload - Table View

B.

Workload - Graph View

C.

Define Constraints - Software Suites

D.

Define Constraints - Local Replication

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Question # 18

A customer needs to automate SRDF disaster recovery for a Microsoft cluster. Which SRDF solution is recommended?

A.

SRDF/CE

B.

SRDF/DM

C.

SRDF/CG

D.

SRDF/AR

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Question # 19

What is a valid RDF device pair state to invoke an SRDF suspend operation?

A.

Synchronized

B.

SyncInProg

C.

Split

D.

FailedOver

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Question # 20

Other than VMware ESXi, which type of virtual servers can be discovered in Unisphere of VMAX?

A.

Microsoft Hyper-V

B.

Citrix XenServer

C.

Oracle VirtualBox

D.

Open Source - KVM

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