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EMC E20-816 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Storage Provisioning and Management | - Performance and capacity management
|
| Topic 2: Symmetrix / VMAX Architecture Fundamentals | - Storage array concepts and configuration
|
| Topic 3: SRDF and Replication Technologies | - SRDF fundamentals
|
| Topic 4: Troubleshooting and Advanced Concepts | - Advanced replication and recovery scenarios
|
EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:
A company is investigating memory issues with a VMware vSphere implementation. How would the company determine if there are memory issues at the host level when monitoring through a vSphere vCenter Server?
- A. Check Consumed Memory level
- B. Check Swap-in level
- C. Check Active Memory level
- D. Check Memory Balloon Activity
Correct Answer: B 🗳️
Click on the calculator icon in the upper left corner. A customer would like to add a new database application to their VMAX. This application is expected to produce 3000 I/O per second with 45% read hit and 25% write. The customer expects to use RAID 5 (3+1) on new drives that are not yet utilized. These drives perform 100 SCSI commands per second (read/writes) at 100% utilization.
Assuming drive utilization should not exceed 70%, how many physical drives, excluding hot spares, does the customer need to achieve performance requirements?
- A. 68 disks
- B. 32 disks
- C. 48 disks
- D. 56 disks
Correct Answer: D 🗳️
Refer to the exhibit.
A customer requested that you conduct a performance evaluation test for migration of a DB2 database server to new Symmetrix VMAX storage. The test storage is configured as 20 logical volumes allocated on four FE ports to two HBAs in the server. Each volume is 50 GB and is configured as a 4 way striped meta. The results of the test indicate 20% less throughput than was expected.
The exhibit shows results from the data collected during the time frame of the test.
What is a likely cause for this performance issue?
- A. Host workload allocation
- B. Multipath configuration
- C. Physical Disk limitation
- D. FA processor limitation
Correct Answer: A 🗳️
Four days after configuring FAST-VP on a new VMAX array with EFD, FC and SATA tiers you notice that FAST-VP is moving data, but only 20% of the EFD tier has been consumed. The active FAST-VP policy lists 100% for the EFD tier. What is preventing more data moving to the EFD tier?
- A. Workload Analysis period is set to 7 days
- B. Pool Reserve Capacity is set to 20%
- C. Pool Reserve Capacity is set to 80%
- D. DA Processor utilization is too high
Correct Answer: C 🗳️
A customer needs to collect performance data from the HP-UX hosts in the environment. Which collection utility is used?
- A. perfmon
- B. iostat
- C. sar
- D. wrksdsts
Correct Answer: B 🗳️
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