Black Friday Special Sale Limited Time 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: scxmas70

Note! Following E20-542 Exam is Retired now. Please select the alternative replacement for your Exam Certification.

E20-542 Exam Dumps - VMAX3 Solutions and Design Specialist Exam for Technology Architects

Question # 4

After an SRDF failover operation, production work has been moved to the remote site. A large number of invalid tracks have accumulated that need to be synchronized back to the R1 volumes.

Which SRDF operation can reduce the re-synchronization time, while continuing production work on the remote site?

A.

Update

B.

Failback

C.

Restore

D.

Establish

Full Access
Question # 5

You are in a meeting with a customer discussing VMAX3 engine scalability. What is the maximum number of engines that can be configured on a VMAX 400K?

A.

4

B.

6

C.

8

D.

16

Full Access
Question # 6

A TimeFinder SnapVX snapshot of source volumes has been linked to target volumes. The target volumes are being used for application testing.

What is recommended prior to restoring from the snapshot?

A.

Stop accessing the source volumes

B.

Stop accessing the target volumes

C.

Stop accessing the source and target volumes

D.

Continue accessing the source and target volumes

Full Access
Question # 7

Based on best practice, when is a three-tier configuration recommended for a VMAX3?

A.

High write workload

B.

Low write workload

C.

High skew workload

D.

High read workload

Full Access
Question # 8

You are in the process of designing a VMAX3 solution for a customer. The customer has concerns about which SLO should be set for the applications that will be migrated from an existing VMAX 20K array to the new VMAX3 array. Performance data on the VMAX 20K array is available.

What should be recommended?

A.

Analysis of the existing performance data to determine the appropriate SLO

B.

Optimized SLO - FAST provides the best performance based on resource availability

C.

20% Flash capacity and Diamond SLO

D.

20% Flash capacity and Platinum SLO

Full Access
Question # 9

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

A.

32

B.

128

C.

256

D.

1024

Full Access
Question # 10

The Storage Group containing the source volumes on a VMAX3 array is managed by the Gold SLO. A TimeFinder SnapVX snapshot of this Storage Group is linked to target volumes. The Storage Group containing the target volumes is managed by the Bronze SLO.

Which SLO will be used to manage the snapshot deltas?

A.

Optimized

B.

Gold

C.

Bronze

D.

None

Full Access
Question # 11

What is the effect of SRDF/A enhanced group-level pacing on a VMAX3?

A.

Host-issued write I/Os are throttled for the group.

B.

Host I/Os are sent as they are received.

C.

DSE pool is marked for data offload.

D.

I/O on all host LUNs are throttled on the array.

Full Access
Question # 12

From an application perspective, what should be done prior to performing an SRDF restore operation?

A.

Stop accessing R1 and R2 devices

B.

Stop accessing R1 devices; continue accessing R2 devices

C.

Continue accessing R1 devices; stop accessing R2 devices

D.

Continue accessing R1 and R2 devices

Full Access
Question # 13

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

Full Access
Question # 14

A customer is interested in migrating applications stored on EMC VNX arrays to a new VMAX3 array. You need to design the new VMAX3 array with VMAX Sizer.

Which data should be imported into VMAX Sizer to complete the sizing?

A.

MiTrend summary XML file for the VNX arrays

B.

MiTrend performance details XML file for the VNX arrays

C.

NAR data for the VNX arrays

D.

IOSTAT data from the hosts attached to the VNX arrays

Full Access
Question # 15

You are in the process of designing a VMAX3 solution with VMAX Sizer. Which parameters can be changed in a "What if Analysis"?

A.

Number of Disks, Cache Size, or IOPS Growth %

B.

Type of Disks, Number of I/O Modules, or Cache Size

C.

Platform Type, Number of Ports, or Software Suites

D.

Number of Disks, RAID Levels, or IOPS Growth %

Full Access
Question # 16

Which types of authentication are supported by Unisphere for VMAX?

A.

Local Directory, Windows (local and domain-based), and LDAP

B.

Local Directory, Windows (local and domain-based), and RADIUS

C.

Local Directory, Windows (local and domain-based), and CHAP

D.

Local Directory, Windows (local and domain-based), and Secure Service Credential

Full Access
Question # 17

A VMAX3 Storage Group has Host I/O limits set at 10,000 IOPs. The Port Group contains four ports across different directors. The Dynamic Distribution is set to "OnFailure".

What is the maximum IOPs the Storage Group can achieve in the event a switch port being used by one of the director ports fails but the director remains online?

A.

5,000

B.

7,500

C.

9,000

D.

10,000

Full Access
Question # 18

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 # 19

During a scheduled outage of the primary site (R1), a company is operating their production on their disaster recovery site (R2). After the outage, they need to move production back to the R1 site.

Which SRDF action is required?

A.

Failback

B.

Restore

C.

Resume

D.

Failover

Full Access
Question # 20

Where can a storage administrator create volumes in Unisphere for VMAX?

A.

Storage Tab

B.

Host Tab

C.

System Tab

D.

Security Tab

Full Access