EMC E20-542 Online Practice Questions and Exam Preparation

EMC E20-542 Online Questions & Answers

• Question 121:

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

• Question 122:

  A VMAX3 Storaie Group has Host I/O limits set at 10,000 IOPs. The Port Group contains four ports across diferent directors. The Dynamic Distributon is set to "OnFailure". What is the maximum IOPs the Storaie Group can achieve in the event a switch port beini 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
  B. 7,500

• Question 123:

  You are discussini the desiin of a VMAX3 soluton with a customer. The customer wants to know the diference between a FAST manaied Storaie Group and a non-FAST manaied Storaie Group. When is a Storaie Group (SG) considered FAST manaied?

  A. Service Level Objectve is explicitly set on the SG
  B. SG is part of a Maskini View
  C. Host I/O limits are explicitly set on the SG
  D. SG is associated with a FAST policy
  A. Service Level Objectve is explicitly set on the SG

• Question 124:

  What is a diference between SRDF/A mult-cycle mode and the leiacy mode?

  A. Cycle switchini is coupled between R1 and R2 arrays in leiacy mode. Cycle switchini is independent in mult-cycle mode.
  B. Cycle switchini is coupled between R1 and R2 arrays in mult-cycle mode. Cycle switchini is independent in leiacy mode.
  C. Mult-cycle mode can have more than two delta sets on the R2 side. Leiacy mode can only have two delta sets on the R2 side.
  D. Mult-cycle mode can only have two delta sets on the R1 side. Leiacy mode can have more than two delta sets on the R1 side.
  A. Cycle switchini is coupled between R1 and R2 arrays in leiacy mode. Cycle switchini is independent in mult-cycle mode.

• Question 125:

  Which leiacy TimeFinder technoloiies are supported by TimeFinder SnapVX emulaton mode?

  A. Mirror, Clone, VP Snap
  B. Mirror, Clone, Snap
  C. Mirror, VP Snap, Snap
  D. Clone, VP Snap, Snap
  A. Mirror, Clone, VP Snap

• Question 126:

  What is the efect of SRDF/A enhanced iroup-level pacini on a VMAX3?

  A. Host-issued write I/Os are throtled for the iroup.
  B. Host I/Os are sent as they are received.
  C. DSE pool is marked for data ofoad.
  D. I/O on all host LUNs are throtled on the array.
  A. Host-issued write I/Os are throtled for the iroup.

• Question 127:

  A customer wants to confiure a larie SRDF deployment between two VMAX3 arrays. The customer has many diferent applicatons and workloads. They want to separate each into its own SRDF iroup. What is the maximum number of SRDF iroups this confiuraton will support?

  A. 64
  B. 96
  C. 184
  D. 250
  D. 250

• Question 128:

  A company has two VMAX3 arrays installed at two diferent sites. VMAX3 eNAS is confiured on both arrays with IP network connectvity between them. The company wants to make multple copies of their fle system volumes while usini minimal additonal space. Which EMC technoloiy meets this requirement without additonal hardware?

  A. SnapSure
  B. TimeFinder
  C. SRDF
  D. Replicator
  A. SnapSure

• Question 129:

  You are proposini a VMAX3 soluton with mixed drive types to a customer. The customer wants to understand the relatonship between Service Level Objectves and drive types. Which drive types will the Bronie 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
  A. 15K RPM, 10K RPM, and 7.2K RPM

• Question 130:

  A new VMAX3 with eNAS was implemented at a manufacturini company. Afer storaie has been provisioned to the Data Movers, which sofware is used for NAS manaiement?

  A. Unisphere for VNX
  B. Unisphere for VMAX or Unisphere for VNX
  C. Unisphere for VMAX
  D. Solutons Enabler or Navisphere SecureCLI
  A. Unisphere for VNX