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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. The customer is looking to deploy a large SQL environment to a ESXi cluster. The main I/O Load of the environment will be OLTP, with a high rate of transactions. Which Raid Type should this environment deploy?

A) RAID5 striped meta
B) RAID1 concatenated meta
C) RAID1 striped meta
D) RAID5 concatenated meta

2. In a Cascaded Dynamic SRDF environment, Customer is experiencing performance issues at Site-A. To immediately correct the issue, a command was issued to vary the RF-ports offline between Site-B and Site-C. A query of the RA-Group between Site-B and Site-C shows the link is in a suspended state. There are concerns that when the RF-ports are brought back online the RA-Group will resume replication and recreate performance issue at Site-A. What action can be taken to ensure replication does not resume when RF-ports are brought back online?

A) On Site-C execute delete Device-Group.
B) On Site-B perform delete-pair for all devices in RA-Group.
C) On Site-C perform delete-pair for all devices in RA-Group.
D) On Site-B perform half-delete for all devices in RA-Group

3. Refer to the exhibit.

A customer has a three-site configuration, where Site-A is running critical production applications, Site-B receives data from Site-A in SRDF/S mode and is used exclusively for disaster recovery. Site-C is a new location designed to receive data from Site-B using Cascaded SRDF. During the initial establish of data between Site-B and Site-C, significant performance issues were encountered at Site-A. What action should be taken to improve Site-A performance?

A) Use separate RF-ports between Site-B and Site-C
B) Use SRDF/acp_dsk mode from Site-A to Site-B
C) Use SRDF/S mode from Site-B to Site-C
D) Use different RF-ports on Site-C

4. 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) Add more HBAs to each host accessing the VMAX and consider setting the host I/O size to 8 KB or less.
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) Reduce the number of hosts that are accessing the VMAX and consider implementing iSCSI connectivity.

5. A new Symmetrix array is being designed for an Oracle data warehouse. The workload is expected to be primarily reads for batch reporting. The customer wants to maximize usable capacity of the array and follow best practices for RAID types to optimize performance. Which RAID level(s) should be used for the control files, data files, redo logs and archive logs?

A) RAID1 for all data
B) RAID5 for archive logs and data files, RAID1 for control files and redo logs
C) RAID1 for control and data files, RAID 5 for archive and redo logs
D) RAID 5 for data files, RAID 1 for control files, redo logs and archive logs

Solutions: