EMC E20-542 Online Practice Questions and Exam Preparation

EMC E20-542 Online Questions & Answers

• Question 31:

  What are the default percentaies of RA CPU resource distributon for SRDF Synchronous, Asynchronous, and Adaptve Copy modes on VMAX3 arrays?

  A. 40 / 30 / 20
  B. 50 / 40 / 20
  C. 60 / 30 / 10
  D. 70 / 20 / 10
  D. 70 / 20 / 10

• Question 32:

  What is the maximum number of TimeFinder SnapVX snapshots supported per source volume?

  A. 64
  B. 128
  C. 256
  D. 512
  A. 64

• Question 33:

  A TimeFinder SnapVX snapshot of the Storaie Group containini four devices is created at 10 AM. The storaie administrator adds another device to this Storaie Group at 2 PM. A second snapshot of the Storaie Group is created at 3 PM. The 3 PM snapshot is used to perform a restore operaton at 4 PM. What will be the status of the newly added device afer the restore operaton?

  A. Read/Write Enabled
  B. Not Ready
  C. Write Disabled
  D. Failed
  A. Read/Write Enabled

• Question 34:

  Which Unisphere for VMAX menu opton provides a listni of Initator Groups?

  A. Hosts
  B. Storaie
  C. Databases
  D. System
  B. Storaie

• Question 35:

  The Reserved Capacity for a Storaie Resource Pool (SRP) on a VMAX3 has been set to 15%. A TimeFinder SnapVX snapshot has been created for a Storaie Group containini 10 devices. An applicaton is actvely performini read and write I/ Os to these devices. The snapshot is linked to the tariet in Copy mode. Allocaton for the SRP reaches 85%.

  What will happen to the copy process?

  A. Copy to the tariet will halt
  B. Copy to the tariet will fail
  C. Tracks required for the copy will be allocated from the Reserved Capacity
  D. Copy to the tariet will contnue and complete
  A. Copy to the tariet will halt

• Question 36:

  You are in a meetni with a customer to discuss virtual provisionini on VMAX3 arrays. The customer wants informaton on extent allocaton durini thin device creaton. How many extent(s) are allocated when a thin device is created?

  B. 1
  C. 12
  D. 42
  A

• Question 37:

  You are in the process of desiinini a VMAX3 soluton with VMAX Siier. Which parameters can be chanied in a "What if Analysis"?

  A. Number of Disks, Cache Siie, or IOPS Growth %
  B. Type of Disks, Number of I/O Modules, or Cache Siie
  C. Platorm Type, Number of Ports, or Sofware Suites
  D. Number of Disks, RAID Levels, or IOPS Growth %
  A. Number of Disks, Cache Siie, or IOPS Growth %

• Question 38:

  What is the best practce siiini iuideline for back-end (DS) utliiaton on a two-eniine VMAX3?

  A. 40%
  B. 50%
  C. 60%
  D. 70%
  B. 50%

• Question 39:

  You are desiinini an SRDF/A soluton with BCSD and the results of the model are shown in the exhibit. The BCSD model was run with the followini setnis: Source Array: VMAX 200K, 2-eniine, 2 TB cache Number of RA Ports: 4 Network Circuit: 450 MB/s Required RPO: 5 minutes Which conclusion can be made based on the modelini results?

  A. Inadequate number of RA ports
  B. Inadequate bandwidth
  C. Inadequate cache
  D. Inadequate paiini disk space
  A. Inadequate number of RA ports

• Question 40:

  You are in a meetni with a customer to discuss storaie provisionini on VMAX3 arrays. What is a consideraton for Autoprovisionini Groups on VMAX3 arrays?

  A. An initator may only beloni to one Initator Group.
  B. A device cannot beloni to more than one Storaie Group.
  C. A port may only beloni to one Port Group.
  D. Maximum number of levels of cascadini permited in a Storaie Group is 64.
  A. An initator may only beloni to one Initator Group.