EMC E20-326 Online Practice Questions and Exam Preparation

EMC E20-326 Online Questions & Answers

• Question 201:

  What is a supported mode for disk based Cascaded SRDF?

  A. First leg - SRDF/S, Second leg - SRDF/A
  B. First leg - SRDF/A, Second leg - SRDF/A
  C. First leg - SRDF/S, Second leg - SRDF Adaptive Copy Write Pending Mode
  D. First leg - SRDF/S, Second leg - SRDF/S
  A. First leg - SRDF/S, Second leg - SRDF/A

• Question 202:

  Refer to the exhibit.

  

  What would you see if you place your cursor on the bottom left of the vertical axis (red 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
  A. Recommended capacity and throughput utilization for the EFD tier

• Question 203:

  A customer is running an application on older storage equipment that is about to be replaced. During refresh planning, the skew for the application is determined to be 98/2. Which default policy from Tier Advisor would be applicable for this workload?

  A. 2% EFD, 10% FC, 100% SATA
  B. 3% EFD, 0% FC, 97% SATA
  C. 5% EFD, 0% FC, 95% SATA
  D. 98% EFD, 2% FC, 100% SATA
  B. 3% EFD, 0% FC, 97% SATA

• Question 204:

  An SRDF/S implementation is being designed. The RA performance limits are 3800 4k IOPS for a Fibre RF adapter. The application is doing 6000 4k IOPS with 30% writes and uses multiple volumes. How many RAs are recommended?

  A. 2
  B. 1
  C. 4
  D. 6
  A. 2

• Question 205:

  What is the EMC recommended network quality for SRDF/S over GigE?

  A. Less than 0.1% packet loss
  B. Less than 0.01% packet loss
  C. Less than 0.25% packet loss
  D. Less than 1% packet loss
  B. Less than 0.01% packet loss

• Question 206:

  You are designing a new VMAX array. The customer's primary concern is maximizing capacity available to the host. What RAID protection should you recommend?

  A. RAID-5 (7+1)
  B. RAID-6 (6+2)
  C. RAID-1/0
  D. RAID-5 (3+1)
  A. RAID-5 (7+1)

• Question 207:

  How many additional SDDF sessions are used for an Open Replicator incremental push?

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

• Question 208:

  Refer to the exhibit.

  

  A company plans to deploy a one-engine Symmetrix VMAX array in their VMware vSphere environment. The ESXi hosts will be connected to the VMAX array over a FC SAN. What is the recommended best practice when zoning an ESXi host with two HBAs to the VMAX?

  A. HBA 1 to Port E0 on Odd (7) Director HBA 1 to Port E0 on Even (8) Director HBA 2 to Port G0 on Odd (7) Director HBA 2 to Port G0 on Even (8) Director
  B. HBA 1 to Port E0 on Odd (7) Director HBA 1 to Port G0 on Odd (7) Director HBA 2 to Port E0 on Even (8) Director HBA 2 to Port G0 on Even (8) Director
  C. HBA 1 to Port E0 on Odd (7) Director HBA 1 to Port E1 on Odd (7) Director HBA 2 to Port G0 on Even (8) Director HBA 2 to Port G1 on Even (8) Director
  D. HBA 1 to Port E0 on Odd (7) Director HBA 1 to Port F0 on Odd (7) Director HBA 2 to Port G0 on Odd (7) Director HBA 2 to Port H0 on Odd (7) Director
  A. HBA 1 to Port E0 on Odd (7) Director HBA 1 to Port E0 on Even (8) Director HBA 2 to Port G0 on Odd (7) Director HBA 2 to Port G0 on Even (8) Director

• Question 209:

  A Symmetrix VMAX is configured with FAST DP. It contains three tiers of storage:

  1.

  200 GB RAID 5 (3+1) EFD

  2.

  300 GB RAID 1 15K RPM Fibre Channel

  3.

  1 TB RAID 6 (6+2) 7200 RPM SATA

  The storage administrator would like to charge each department that uses the VMAX for the amount and class of storage they use. Which FAST policy would best lend itself to the chargeback system?

  A. Tier 1: 10% Tier 2: 60% Tier 3: 30%
  B. Tier 1: 50% Tier 2: 50% Tier 3: 50%
  C. Tier 1: 20% Tier 2: 40% Tier 3: 50%
  D. Tier 1: 100% Tier 2: 100% Tier 3: 100%
  A. Tier 1: 10% Tier 2: 60% Tier 3: 30%

• Question 210:

  You need to model several SRDF/A workloads that require data consistency across all the sessions. How would you model the multiple SRDF/A sessions?

  A. In BCSD, link them by creating a Composite Group
  B. In SymmMerge, link them by creating a Composite Group
  C. In BCSD, link them by creating a Logical Relationship
  D. In SymmMerge, link them by creating a Logical Relationship
  A. In BCSD, link them by creating a Composite Group