Special Limited Time 65% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: dpt65

E20-542 Questions and Answers

Question # 6

A TimeFinder SnapVX snapshot of source volumes has been linked to target volumes. Target volumes are accessed by a host and changes are made. These changes need to be copied back to the source volumes.

Which mode should the target have been linked to enable a restore from them?

A.

Copy Mode

B.

NoCopy Mode

C.

Copy-On-Write

D.

Redirect-On-Write

Full Access
Question # 7

SRDF/A has been enabled between two VMAX3 arrays. An extended loss of all RDF links occurs. What will the RDF pair state be after link connectivity is restored?

A.

Suspended

B.

Partitioned

C.

Failed Over

D.

Split

Full Access
Question # 8

Based on best practice, which drive combination is used in VMAX3 two-tier configurations?

A.

10% Flash RAID 5

90% 1.2 GB 10K RAID 6

B.

10% Flash RAID 6

90% 1.2 GB 10K RAID 5

C.

20% Flash RAID 5

80% 1.2 GB 15K RAID 6

D.

20% Flash RAID 6

80% 1.2 GB 15K RAID 5

Full Access
Question # 9

You are proposing a VMAX3 solution with mixed drive types to a customer. The customer wants to understand the relationship between Service Level Objectives and drive types.

Which drive types will the Bronze SLO use under most circumstances?

A.

15K RPM, 10K RPM, and 7.2K RPM

B.

Flash and 15K RPM only

C.

Flash, 10K RPM, and 7.2K RPM

D.

15K RPM and 10K RPM only

Full Access
Question # 10

A storage administrator uses Unisphere for VMAX to provision new Storage Groups on a VMAX3 array. Which Workload Type is recommended for small block I/O workloads?

A.

OLTP

B.

None

C.

DSS

D.

Optimized

Full Access
Question # 11

What is the effect of a failed Suitability Check while provisioning storage on a VMAX3?

A.

No effect; the allocation can still proceed.

B.

Allocation will not be allowed to proceed.

C.

FAST will move extents to accommodate the allocation.

D.

A critical alert will be sent to the alarm console.

Full Access
Question # 12

How do Service Level Objectives (SLO) capacity compliance algorithms differ from Storage Resource Pools (SRP) capacity compliance algorithms?

A.

SLO capacity compliance ensures data is placed on the correct drive types.

SRP capacity compliance ensures data is placed on the correct SRP.

B.

SLO capacity compliance ensures data is placed on the correct SRP.

SRP capacity compliance ensures data is placed on the correct drive types.

C.

SLO capacity compliance ensures response time objectives are maintained.

SRP capacity compliance ensures performance metrics determine data placement.

D.

SLO capacity compliance ensures performance metrics determine data placement.

SRP capacity compliance ensures responsetime objectives are maintained.

Full Access
Question # 13

What is a consideration when designing an SRDF/A solution between a VMAX3 array and an older VMAX 40K array?

A.

SRDF/A will run in legacy mode.

B.

SRDF/A MSC is not supported.

C.

SRDF/A DSE is automatically enabled on both arrays.

D.

SRDF/A DSE pools must be configured on both arrays.

Full Access
Question # 14

A customer wants to implement SRDF/S for an application. The application is performing at 10,000 IOPS and is using many volumes. The size of the I/O is 4 KB. Forty percent (40%) of the IOPS are writes. Assume an RA can handle a maximum of 4,000 4 KB IOPS.

Based on best practice, how many RAs should be recommended?

A.

1

B.

2

C.

4

D.

8

Full Access
Question # 15

SRDF/A has been enabled between two VMAX3 arrays. Due to a loss of all RDF links, the SRDF/A session has been placed in a Transmit Idle state.

What happens to cycle switching and the delta sets?

A.

Cycle switching continues; Transmit Delta set count grows

B.

Cycle switching stops; Capture Delta set grows

C.

Cycle switching stops; Transmit Delta set grows

D.

Cycle switching continues; Capture Delta set count grows

Full Access
Question # 16

You need to design a VMAX3 eNAS solution with VMAX Sizer. Which parameters need to be specified in the eNAS Properties tab while creating the eNAS instance?

A.

Number of Data Movers, I/O Modules per Data Mover, and Total Data Mover Capacity

B.

I/O Modules per Data Mover, eNAS Boot Disks and Log Space, and Total Data Mover Capacity

C.

Number of Data Movers, Capacity per Data Mover, and System Utilization Pattern

D.

eNAS Boot Disks and Log Space, Workload Type, and Skew and IOPS

Full Access
Question # 17

Where will TimeFinder SnapVX snapshot deltas be stored on a VMAX3 array?

A.

Storage Resource Pool

B.

Dedicated Target Device

C.

Reserved LUN Pool

D.

Array Cache

Full Access
Question # 18

You are designing an SRDF/S solution. Network bandwidth can be purchased in increments of single OC3 (155 Mb/s) links. Data compression is not in use. The workload profile is as follows:

Total I/Os per second = 30,000

Read block size = 4 KB

Write block size = 4 KB

Writes = 30%

How many OC3 links will provide sufficient bandwidth?

A.

1

B.

2

C.

4

D.

6

Full Access
Question # 19

Which options can be selected in System Registrations for performance data collection in Unisphere for VMAX version 8.0?

A.

Real Time and Root Cause Analysis

B.

Real Time and Diagnostic

C.

Real Time, Historical, and Diagnostic

D.

Real Time, Historical, and Root Cause Analysis

Full Access
Question # 20

Refer to the Exhibit.

A storage administrator uses Unisphere for VMAX to review the workload for Storage Group mastermgmt_app1. How will storage be allocated for this Storage Group?

A.

On EFD drives only

B.

On EFD or FC 15K drives

C.

On EFD, FC 15K, and FC 10K drives

D.

On all drive types

Full Access