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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A customer is implementing Replication Manager to create local clone replicas of their SQL
database on their EMC VMAX array. The customer is concerned the RM replica jobs will run for an extended period of time and cause resource conflicts with other production applications.
Which action do you recommend to minimize the impact of the RM replica jobs on the array?

A) Schedule the replica jobs to run during peak hours.
B) Stagger the start of each replica job.
C) Run the replica jobs simultaneously.
D) Schedule the replica jobs to run during business hours.

2. 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) Rebalance the hosts across all available FA ports and consider upgrading the SAN switch ports to 2 GB or higher.
C) Rebalance the hosts across all available FA ports and consider setting the front-end director ports to 2 GB or higher.
D) Add more HBAs to each host accessing the VMAX and consider setting the host I/O size to 8 KB or less.

3. How can a storage administrator restrict storage management access for any host that has not been granted explicit symacl rights?

A) Implement Symmetrix Array Authorization (symauth).
B) Remove default permissions from UnknwGrp access group.
C) Unmap the access logix database device from all non management FAs.
D) Restrict gatekeeper masking to only management hosts.

4. A customer has a Symmetrix VMAX array. Symmetrix back-end utilization is about 70%. They would like to increase their workload by 10%. What would be the expected change in the response time due to the increased workload?

A) Less than 10%
B) Greater than 10%
C) 10%
D) Remain the same

5. You have been tasked with gathering performance data for a clustered 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) Logical Disk\Disk Writes/sec
B) Logical Disk\Avg. Disk sec/Write
C) Physical Disk\Avg. Disk Bytes/sec
D) Physical Disk\Disk Write Bytes/sec

Solutions: