EMC E20-326 Online Practice Questions and Exam Preparation

EMC E20-326 Online Questions & Answers

• Question 81:

  What is the size of a fibre channel frame?

  A. 2112 bytes
  B. 1500 bytes
  C. 9000 bytes
  D. 2148 bytes
  D. 2148 bytes

• Question 82:

  What are the main components that make up a virtual provisioning environment?

  A. TDEVs, TDATs and a Thin Pool.
  B. DRVs, CDEVs and a storage pool.
  C. Striped Metas, VDEVs and a Thin Pool.
  D. Masking Views, VDEVs and BCVs.
  A. TDEVs, TDATs and a Thin Pool.

• Question 83:

  A customer has taken four snaps of a TimeFinder/Snap source device at 10:00 a.m., 1:00 p.m., 3:00 p.m. and 5:00 p.m. A restore operation is performed at 8:00 p.m. from the 5:00 p.m. snap session. What is the first step needed to create a snap from the same source device at 9:00 p.m.?

  A. Terminate the restored session
  B. Terminate all snap sessions
  C. Terminate the 5pm session
  D. Create a 9pm snap session
  A. Terminate the restored session

• Question 84:

  You are designing an SRDF/S solution. The workload profile is:

  

  Total I/Os per second = 30000

  

  Write % = 20

  

  Read block size = 4 KB

  

  Write block size = 4 KB

  Network bandwidth can be purchased in increments of single OC3 (155 Mb/s) links. Data compression is not in use. How many OC3 links would you recommend?

  A. 1
  B. 2
  C. 3
  D. 4
  B. 2

• Question 85:

  A customer plans to migrate existing AIX, HP-UX and IBM iSeries hosts to a new VMAX array. Performance data is needed to design the VMAX volumes configuration layout. What host performance data do you request from the customer?

  A. IOSTAT, SAR, WRKDSKSTS
  B. STP, Perfmon, SMF/CMF
  C. IOSTAT, STP, WRKDSKSTS
  D. Perfmon, SAR, SMF/CMF
  A. IOSTAT, SAR, WRKDSKSTS

• Question 86:

  A customer is using a Symmetrix VMAX and FAST DP. They are using striped meta devices to overcome the device size limit of a single device. What happens when FAST determines "hot spots" and starts moving these to other disks?

  A. The entire meta device is moved to another disk group
  B. Only the meta members containing the hot spots are moved to another disk group
  C. Only the extents that contain the hot spots are moved to another disk group
  D. Only the tracks that contain the hot spots are moved to another disk group
  A. The entire meta device is moved to another disk group

• Question 87:

  You are designing an SRDF/S solution. Network bandwidth can be purchased in increments of single OC3 (155 Mb/s) links. Data compression is not in use. The workload profile is as follows:

  Total I/Os per second = 30,000 Read block size = 4 KB Write block size = 4 KB Writes = 30%

  How many OC3 links should be recommended?

  A. 2
  B. 4
  C. 6
  D. 8
  B. 4

• Question 88:

  You are designing an SRDF/A solution with Symmetrix VMAX 40K arrays. TimeFinder/Snap will be used to replicate the remote devices. What is a design consideration?

  A. Device Write Pacing should be enabled
  B. Group Write Pacing should be enabled
  C. Delta Set Extension should be implemented
  D. Transmit Idle should be enabled
  A. Device Write Pacing should be enabled

• Question 89:

  A TimeFinder/Snap of production data must be recreated in a four hour cycle throughout the day. Which change tracker report will provide the best data for modeling a solution for the twenty- four hour period?

  A. Delta report reset every four hours
  B. SUM report over four hours
  C. Delta report reset every twenty four hours
  D. SUM report over twenty four hours
  A. Delta report reset every four hours

• Question 90:

  A Symmetrix VMAX hosts four applications. Each application is assigned a named dynamic cache partition. Two of the partitions are static and two are flexible. The write pending limit for each partition is set to 60%. What will happen if an application running in a flexible partition reaches the write pending limit set for that partition?

  A. Host write activity to that partition will be throttled
  B. Cache will be borrowed from the other flexible partition
  C. Cache will be borrowed from the default partition
  D. The write pending limit of the partition will be raised until it reaches 80%
  A. Host write activity to that partition will be throttled