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EMC E20-816 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Symmetrix Architecture and Hardware	25%	- Virtual Provisioning and Storage Virtualization - Directors, Cache, and Backend Components - DMX and VMAX Series Architecture
Topic 2: Performance Optimization and Troubleshooting	25%	- Performance Monitoring and Analysis - Troubleshooting Common Issues - I/O Workload Optimization
Topic 3: Data Protection and Replication	25%	- TimeFinder/Snap, Clone, and Mirror - Business Continuity and Disaster Recovery - SRDF (Symmetrix Remote Data Facility)
Topic 4: Symmetrix Configuration and Management	25%	- Symmetrix Command Line Interface (SYMCLI) - Host Connectivity and PowerPath - Masking, Mapping, and LUN Provisioning

EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. When designing a VMware cluster, which VM storage adapter reduces CPU utilization and allows high I/O throughputs?

A) LSI Logic Parallel
B) Paravirtual SCSI
C) LSI Logic SAS
D) BusLogic Parallel

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

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

3. You have been tasked with gathering performance data for a Microsoft SQL server database that will be migrated to a Symmetrix VMAX. Which Perfmon counter must you measure prior to designing a disk layout?

A) Physical Disk\Avg. Disk sec/Write
B) Logical Disk\Disk Write Bytes/sec
C) Logical Disk\Avg. Disk Bytes/sec
D) Physical Disk\Disk Writes/sec

4. A customer plans to deploy Oracle on their new EMC VMAX. They are concerned about the performance of the redo log files. You recommend isolating these files to their own set of disks and deploying them on striped metavolumes. Why would you recommend striped metavolumes?

A) The write-pending limit is higher
B) Actuator contention is reduced
C) Random-read response is improved
D) Spindle queue depth is increased

5. Refer to the exhibit.

A customer engaged technical support for a performance issue with their application. The exhibit shows IOPS for the four FA processors utilized to connect the HPUX host to the storage. The FA processors are dedicated to the application. All logical volumes, ports and storage are part of a single masking view. What should the customer change to enhance performance of the host?