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EMC E20-816 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Symmetrix / VMAX Architecture Fundamentals | - Storage array concepts and configuration
|
| Topic 2: SRDF and Replication Technologies | - Remote replication operations
|
| Topic 3: Troubleshooting and Advanced Concepts | - System diagnostics and error handling
|
| Topic 4: Storage Provisioning and Management | - Device masking and mapping
|
EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:
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. Pool Reserve Capacity is set to 80%
- B. Workload Analysis period is set to 7 days
- C. Pool Reserve Capacity is set to 20%
- D. DA Processor utilization is too high
Correct Answer: A 🗳️
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. Enable Node Interleaving
- B. Disable Node Interleaving
- C. Enable HyperThreading
- D. Disable HyperThreading
Correct Answer: B 🗳️
A customer wants to configure a virtual machine that can directly access PCI hardware I/O devices such as Network Interface Controller or Host Bus Adapter. Which CPU virtualization feature will you use to achieve the objective?
- A. AMD-V
- B. Intel VT-x
- C. Intel VT-d
- D. AMD-RVI
Correct Answer: C 🗳️
A customer reports their hosts are performing slowly after migration to a new VMAX array.
You review performance data from the VMAX and note the following:
-I/O sizes are 16 KB.
-The front-end director ports are operating at 1 GB auto-negotiate.
-Several front-end director ports are approaching 100% utilization.
-A few director ports show little or no utilization.
What do you advise the customer?
- A. Reduce the number of hosts that are accessing the VMAX and consider implementing iSCSI connectivity.
- B. Add more HBAs to each host accessing the VMAX and consider setting the host I/O size to 8 KB or less.
- C. Rebalance the hosts across all available FA ports and consider upgrading the SAN switch ports to 2 GB or higher.
- D. Rebalance the hosts across all available FA ports and consider setting the front-end director ports to 2 GB or higher.
Correct Answer: C 🗳️
Cascaded SRDF is running in SRDF/A mode from the source (R1) site to the disk-based secondary (R21) site. Which SRDF mode is permitted between the R21 and the R2 sites?
- A. Adaptive Copy Disk
- B. Adaptive Copy Write Pending
- C. Asynchronous
- D. Synchronous
Correct Answer: A 🗳️
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