EMC E20-542 Online Practice Questions and Exam Preparation

EMC E20-542 Online Questions & Answers

• Question 71:

  You need to desiin a VMAX3 eNAS soluton with VMAX Siier. Which parameters need to be specifed in the eNAS Propertes tab while creatni 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 Loi Space, and Total Data Mover Capacity
  C. Number of Data Movers, Capacity per Data Mover, and System Utliiaton Patern
  D. eNAS Boot Disks and Loi Space, Workload Type, and Skew and IOPS
  A. Number of Data Movers, I/O Modules per Data Mover, and Total Data Mover Capacity

• Question 72:

  Which database does Unisphere for VMAX 8.0 use for Performance Analyier?

  A. PostireSQL
  B. MySQL
  C. SQL Server
  D. Oracle
  A. PostireSQL

• Question 73:

  Based on best practce, when is a three-ter confiuraton recommended for a VMAX3?

  A. Hiih write workload
  B. Low write workload
  C. Hiih skew workload
  D. Hiih read workload
  A. Hiih write workload

• Question 74:

  A customer wants to know if they need to set the SCSI3_persist_reserve atribute for their VMAX3 devices used in a clustered environment. What informaton should be provided?

  A. All VMAX3 thin devices have the atribute enabled by default.
  B. Atribute has been removed for VMAX3.
  C. Atribute will need to be manually set for each device.
  D. Atribute should not be used for clustered environments.
  A. All VMAX3 thin devices have the atribute enabled by default.

• Question 75:

  A customer is interested in miiratni applicatons stored on EMC VNX arrays to a new VMAX3 array. You need to desiin the new VMAX3 array with VMAX Siier. Which data should be imported into VMAX Siier to complete the siiini?

  A. MiTrend summary XML fle for the VNX arrays
  B. MiTrend performance details XML fle for the VNX arrays
  C. NAR data for the VNX arrays
  D. IOSTAT data from the hosts atached to the VNX arrays
  A. MiTrend summary XML fle for the VNX arrays

• Question 76:

  What is the best practce for addini Flash drives, per eniine, on a VMAX3?

  A. Multples of 4 RAID 5 (3+1) Flash drives
  B. Multples of 4 RAID 6 (6+2) Flash drives
  C. Multples of 8 RAID 5 (3+1) Flash drives
  D. Multples of 8 RAID 6 (6+2) Flash drives
  C. Multples of 8 RAID 5 (3+1) Flash drives

• Question 77:

  From an applicaton perspectve, what should be done prior to performini an SRDF failback operaton?

  A. Stop accessini R2 devices; start accessini R1 devices afer the command completes.
  B. Stop accessini R2 devices; start accessini R1 devices before the command completes.
  C. Contnue accessini R2 devices; start accessini R1 devices afer the command completes.
  D. Contnue accessini R2 devices; start accessini R1 devices before the command completes.
  A. Stop accessini R2 devices; start accessini R1 devices afer the command completes.

• Question 78:

  You are in the process of desiinini a VMAX3 soluton for a customer. The customer has concerns about which SLO should be set for the applicatons that will be stored on the new array. They do not have any detailed informaton on the specifc

  workloads.

  What should be recommended?

  A. Optmiied SLO - FAST provides the best performance based on resource availability
  B. Request estmates of the expected workload to help determine the appropriate SLO
  C. Platnum SLO - 20% Flash capacity
  D. Platnum SLO - 10% Flash capacity, 20% 15K RPM capacity
  A. Optmiied SLO - FAST provides the best performance based on resource availability

• Question 79:

  You are desiinini SRDF/S over Fibre Channel between two VMAX3 arrays. The producton and remote data centers are 100 km apart. What is the expected write response tme delay due to latency?

  A. 0.25 ms
  B. 0.5 ms
  C. 1 ms
  D. 2 ms
  C. 1 ms

• Question 80:

  You are in a meetni with a customer describini the features of VMAX3 arrays. The customer wants additonal informaton about the VMAX3 factory pre-confiuraton. Which objects are pre-confiured at the factory?

  A. Disk Groups, Data Pools, and a Storaie Resource Pool
  B. Storaie Resource Pools and Maskini Views
  C. Disk Groups, Data Pools, and Storaie Groups
  D. Data Pools, Storaie Resource Pools, and Port Groups
  A. Disk Groups, Data Pools, and a Storaie Resource Pool