EMC E20-326 Online Practice Questions and Exam Preparation

EMC E20-326 Online Questions & Answers

• Question 41:

  You are designing a Symmetrix VMAX Virtual Provisioning solution for a VMware vSphere environment. Which format does EMC recommend when creating a virtual disk for a virtual machine?

  A. zeroedthick
  B. eagerzeroedthick
  C. thin
  D. 2gbsparse
  A. zeroedthick

• Question 42:

  Refer to the exhibit.

  

  What would you see if you place your cursor on the bottom left of the horizontal axis (green section) of the graph in Tier Advisor?

  A. Recommended capacity and throughput utilization for the EFD tier
  B. Recommended capacity and throughput utilization for the SATA tier
  C. Recommended capacity and throughput utilization for the FC tier
  D. Recommended capacity and throughput utilization for the entire configuration
  C. Recommended capacity and throughput utilization for the FC tier

• Question 43:

  A customer is planning a new Microsoft Exchange 2010 environment on their Symmetrix VMAX. The customer wants to know how they can backup volumes containing passive mailbox database copies. What advice should be provided to the customer?

  A. To use Replication Manager or a third-party Exchange-aware VSS-based application.
  B. Only the VSS plug-in that ships with Exchange 2010 can be used.
  C. VSS plug-in that ships with Exchange 2010 or Replication Manager can be used
  D. To create Custom backup scripts.
  A. To use Replication Manager or a third-party Exchange-aware VSS-based application.

• Question 44:

  When working with Fibre Channel connectivity, which statement is correct about buffer credits?

  A. Insufficient BB_Credits will result in the degradation of throughput over long distance links.
  B. BB_Credits should be minimized so they do not affect throughput over long distance links.
  C. BB_Credits are not needed with long distance links.
  D. BB_Credits should be used with long distance links, but do not affect throughput.
  A. Insufficient BB_Credits will result in the degradation of throughput over long distance links.

• Question 45:

  Using Open replicator, when are the protection bitmap flags set to "0" on the control device?

  A. When each track is copied.
  B. When the session is terminated.
  C. When the session is activated.
  D. When the session is created.
  A. When each track is copied.

• Question 46:

  You are assigned to design a storage solution for a customer's Oracle OLTP environment. The current configuration is having performance issues and users have complained about slow response times. What knowledge about a typical Oracle OLTP workload will help in the redesign of the storage environment so that it runs more optimally?

  A. A typical read/write is 50% / 50%
  B. A typical read/write is 67% / 33%
  C. A typical read/write is 75% / 25%
  D. A typical read/write is 90% / 10%
  B. A typical read/write is 67% / 33%

• Question 47:

  What is the minimum recommended amount of CLARiiON performance data that should be used for Tier Advisor analysis?

  A. 4 hours
  B. 5 hours
  C. 1 day
  D. 1 week
  B. 5 hours

• Question 48:

  What are risk factors you should consider when designing an Open Replicator solution?

  A. FA processors utilization, switch and director workloads and ISL traffic.
  B. Slow host performance, poor Open Replicator installation and link size.
  C. Large Operating System partitions, large TDAT's and fast host adapter speeds.
  D. Low latency, FA port redundancy and primary array workloads.
  A. FA processors utilization, switch and director workloads and ISL traffic.

• Question 49:

  Your customer is adding a new database application. You are asked to design a solution to expand the current SRDF/S implementation on the customer's two Symmetrix VMAX arrays to account for this growth. As part of the sizing, you notice that the two RA ports are at 85% utilization.

  What should you tell your customer that the solution requires?

  A. At least two more RAs are required
  B. At least one more RA is required
  C. No additional hardware is required
  D. More memory is required
  A. At least two more RAs are required

• Question 50:

  Prior to creating the Symmetrix VMAX architecture for Microsoft SQL, you are given a Perfmon Log view containing data for the database LUN. The file contains read and write IOPS collected over the past week, at 3-minute intervals. Which method should be used to determine the correct IOPS target for calculating the appropriate number of RAID corrected spindles?

  A. 90th percentile
  B. 75th percentile
  C. Overall Peak
  D. Overall Average
  A. 90th percentile