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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. Click on the calculator icon in the upper left corner. A new Oracle database is being deployed on a VMAX array. The DBA requests 4TB of usable capacity to be managed by Oracle ASM. This includes 2TB for primary data and 1TB for Oracle Flashback capacity. Devices will be provisioned from a single VP pool and will be fully pre-allocated. No remote replication is planned. Which configuration will provide the best performance and availability for the database?

A) 14 x 220GB devices for Primary Data and Flashback
B) 32 x 64GB devices for Primary Data, 16 x 64GB devices for Flashback
C) 3 x 1TB meta devices for Primary Data and Flashback
D) 2 x 1TB meta devices for Primary Data, 1 x 1TB device for Flashback

2. A company has a VMware vSphere ESXi 5.0 host. They have been noticing performance issues when they receive bursts of heavy I/O workloads after a relatively low period of CPU utilization. Which measure could be taken in the VM configuration to alleviate this issue?

A) Increase monitor.idleLoopSpinUS setting
B) Turn on monitor.idleLoopSpinUS setting
C) Decrease monitor.idleLoopSpinUS setting
D) Decrease priority of monitor.idleLoopSpinUS setting

3. 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) Rebalance the hosts across all available FA ports and consider setting the front-end director ports to 2 GB or higher.
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) Reduce the number of hosts that are accessing the VMAX and consider implementing iSCSI connectivity.

4. 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) DA Processor utilization is too high
B) Workload Analysis period is set to 7 days
C) Pool Reserve Capacity is set to 20%
D) Pool Reserve Capacity is set to 80%

5. The links between an R1/R2 pair are logically suspended and a half delete is performed on the R2 device. What describes the RDF pair configuration?

A) Suspended
B) Normal
C) Half
D) Duplicate

Solutions: