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EMC E20-816 Exam Syllabus Topics:

EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. You are completing a detailed configuration for a VMAX that will support a new Oracle 11g instance and database. Which volume configuration is best for the Oracle Archive Log files?

A) Striped RAID 0+1
B) Native RAID 3
C) Striped RAID 0
D) Native RAID 1

2. A company plans to deploy Symmetrix VMAX arrays in their VMware vSphere environment. The ESXi hosts will be connected to the VMAX arrays over a FC SAN. What VMAX FA port flag is optional?

A) Unique_WWN
B) SPC2_Protocol_Version
C) SCSI_Support
D) Init_Point_to_Point

3. 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 I/O rates on certain Fibre Channel ports is nearing 2,000/second but those ports only display about 10% utilization. What is the likely cause?

A) I/O block size is very large
B) I/O block size is very small
C) Sequential prefetch skews throughput %
D) Striped metavolumes report invalid IOPS

4. Refer to the exhibit.

Host C is the remote site to an existing production site, Host A in the illustration. Host D is remote site to Host B.
The customer would like to have data-at-rest protection for host A and data-in-flight protection for Host B.
Which Symmetrix Security features would be required?

A) DARE in the primary and secondary sites
B) PowerPath encryption on Host A, IPsec on host B and D
C) DARE in the primary site , IPSEC on both Symmetrix
D) PowerPath Encryption on Host A, IPSEC on both Symmetrix

5. 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.

Solutions: