- Exam Code: E20-816
- Exam Name: Symmetrix Solutions Expert Exam for Technology Architects
- Certification Provider: EMC
- Corresponding Certification:Technology Foundations
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EMC E20-816 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Symmetrix Configuration and Management | 25% | - Masking, Mapping, and LUN Provisioning - Host Connectivity and PowerPath - Symmetrix Command Line Interface (SYMCLI) |
| Topic 2: Data Protection and Replication | 25% | - TimeFinder/Snap, Clone, and Mirror - Business Continuity and Disaster Recovery - SRDF (Symmetrix Remote Data Facility) |
| Topic 3: Performance Optimization and Troubleshooting | 25% | - Performance Monitoring and Analysis - Troubleshooting Common Issues - I/O Workload Optimization |
| Topic 4: Symmetrix Architecture and Hardware | 25% | - DMX and VMAX Series Architecture - Virtual Provisioning and Storage Virtualization - Directors, Cache, and Backend Components |
EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:
A company has a VMware vSphere 5.0 ESXi host using NUMA. This host is experiencing poor performance. Which BIOS settings on the ESXi host could help alleviate this performance issue?
- A. Disable HyperThreading
- B. Enable HyperThreading
- C. Disable Node Interleaving
- D. Enable Node Interleaving
A new EMC customer recently installed their first VMAX and a complete suite of EMC management tools. Their lead capacity planner attended training and has started monitoring the VMAX. You receive a call and this person describes the measurements observed. During the period of heaviest workload, reported throughput on certain Fibre Channel ports is nearing 150,000 KB/second but those ports display only about 10% utilization. What is the likely cause?
- A. I/O block size is very small
- B. I/O block size is very large
- C. Striped metavolumes report invalid IOPS
- D. Sequential prefetch skews throughput %
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 Active Memory level
- B. Check Consumed Memory level
- C. Check Swap-in level
- D. Check Memory Balloon Activity
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. eagerzeroedthick
- B. zeroedthick
- C. thin
- D. 2gbsparse
What is a write pending slot in a Symmetrix VMAX?
- A. Any cache slot with data written from the host
- B. A cache slot with data that has not yet been destaged to disk
- C. A cache slot that is yet to be replicated to the remote array
- D. A cache slot that the host is about to write to
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