EMC E20-326

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EMC E20-326 Exam Syllabus Topics:

EMC Symmetrix Solutions Design Exam for Technology Architects Sample Questions:

1. A proposed SRDF/S solution was modeled with BCSD using host-based data.
The BCSD model assumed two engine VMAX arrays with SRDF Fibre ports.
The Compressed Throughput chart shows that the available throughput is greater than the peak throughput. The "Volume Exceptions" table lists ten devices.
What should you recommend?

A) Turn off software compression on the remote adapters
B) Change the application layout
C) Provide more bandwidth
D) Use three engine VMAX arrays

2. A customer asked you to design a storage solution for their new call center application. This is a new EMC customer and they do not have any existing storage infrastructure. Before you begin to design a solution, you request that the customer collect some host-based performance metrics.
When and how should the customer collect performance metrics?

A) During peak workloads in small intervals
B) During normal workloads in large intervals
C) During normal workloads in small intervals
D) During peak workloads in large intervals

3. You are designing an SRDF/S solution. The workload profile is:
Total I/Os per second = 10000
Write % = 25
Read block size = 8 KB
Write block size = 8 KB
Network bandwidth can be purchased in increments of single T3 (45 Mb/s) links. Data compression is not in use. How many T3s links would you recommend?

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

4. A customer is using SRDF/S with one Symmetrix VMAX in each data center. An application is doing 10,000 4 KB IOPS with 40% writes and is using multiple volumes. Assume an RA port can handle a maximum of 4,000 4 KB IOPS.
Based on best practices, how many RAs are needed for this application?

A) 2
B) 4
C) 8
D) 1

5. You are analyzing performance data from a Symmetrix DMX populated with Fibre Channel (FC) drives with the intention of upgrading a customer to a VMAX. An analysis of the data with Tier Advisor yields a recommendation that the storage be allocated in 3 tiers, EFD, FC and SATA. What is a valid Tier advisor recommendation?

A) 100% EFD, 100% FC and 100% SATA
B) 5% EFD, 90% FC, 20% SATA
C) 3% EFD, 70% FC and 27% SATA
D) 10% EFD, 75% FC and 25% SATA

Solutions: