EMC E20-690 Online Practice Questions and Exam Preparation

EMC E20-690 Online Questions & Answers

• Question 121:

  You have just replaced a defective component in a Data Mover. Which command can be run to verify the system returns no errors?

  A. # /nas/bin/nas_checkup
  B. # /nas/bin/nas_server -info -all
  C. # watch /nasmcd/getreason
  D. # dmesg
  A. # /nas/bin/nas_checkup

• Question 122:

  You are about to perform a NDU in a customer environment containing several hosts running Veritas DPM. What should be done to ensure the host paths are maintained after the secondary SP has rebooted?

  A. Increase the NDU delay time.
  B. Decrease the NDU delay time.
  C. Disable DMP on the host before performing the NDU.
  D. Run the NDU in engineering mode to skip the NDU delay option.
  A. Increase the NDU delay time.

• Question 123:

  You have been tasked to perform an installation of a VNX system configured as file-only. Where will you find the installation procedure for the system?

  A. VNX Installation Assistant
  B. Unisphere Service Manager
  C. VNX Procedure Generator
  D. Powerlink Knowledgebase
  C. VNX Procedure Generator

• Question 124:

  What enablers are included in the Advanced FAST Suite?

  A. FAST, FAST Cache, Thin Provisioning, Compression
  B. FAST, FAST Cache, QoS Manager, Analyzer
  C. FAST, FAST Cache, Navisphere FAST LUN Migrator, QoS Manager
  D. FAST, FAST Cache, Navisphere FAST LUN Migrator, Compression, Analyzer
  B. FAST, FAST Cache, QoS Manager, Analyzer

• Question 125:

  Which operations can you perform with VNX Installation Assistant?

  A. Create RAID groups, storage groups, and LUNs
  B. Configure LUN masking for non-VNX host access
  C. Configure SnapSure and replication
  D. Configure MirrorView and SnapView
  A. Create RAID groups, storage groups, and LUNs

• Question 126:

  You are performing a non-disruptive upgrade. However, end-users are reporting that they cannot access data while you are performing the operation. What could be the issue?

  A. Not enough NDU delay time configured
  B. VNX only has a single storage processor with NDU
  C. NDU delay time is too long
  D. One of the storage processors is failing and preventing failover
  A. Not enough NDU delay time configured

• Question 127:

  On VNX Unified series X-blade, which is the correct cabling configuration for the 4-port 8 Gb FC I/O module in slot 0?

  A. Two ports for tape backup and two for SP A and SP B back-end connectivity.
  B. All four ports connected to SP A and SP B for high availablity.
  C. Two ports for tape backup and two for external SAN replication.
  D. Four ports for NDMP tape backup.
  A. Two ports for tape backup and two for SP A and SP B back-end connectivity.

• Question 128:

  Refer to the exhibit.

  

  Which connection is indicated by the number 7 in this VNX SPE Management Module?

  A. Serial Console
  B. Serial (unused)
  C. Service port
  D. Serial Management
  A. Serial Console

• Question 129:

  You are working on a system with a faulted SPE power supply, and an alert is present in Unisphere. When can the related alert be deleted?

  A. After the issue has been resolved.
  B. Alerts cannot be deleted.
  C. The alert will delete automatically.
  D. After a storage processor reboot.
  A. After the issue has been resolved.

• Question 130:

  You are adding two DAEs: one 15-drive and one 25-drive. What are the advantages of cabling the additional DAEs so that one is added to SAS 0 and one is added to SAS 1?

  A. DAE 1 and DAE 2 are load-balanced across the SAS 0 and SAS 1 ports on each SP for improved performance.
  B. There are no specific advantages, since both SAS 0 and SAS 1 ports are connected to the same internal SP bus.
  C. The 15- and 25-drive DAEs must reside on different SAS buses to preserve future expansion options.
  D. The 25-drive DAE 2 should be connected to SAS 0 along with the DPE drives to support EFD options.
  A. DAE 1 and DAE 2 are load-balanced across the SAS 0 and SAS 1 ports on each SP for improved performance.