A customer asked you to design a storage solution for their new call center application. This is a new EMC customer and they do not have any existing storage infrastructure. Before you begin to design a solution, you request that the customer collect some host-based performance metrics.
When and how should the customer collect performance metrics?
A. During peak workloads in small intervals
B. During peak workloads in large intervals
C. During normal workloads in small intervals
D. During normal workloads in large intervals
You are assigned to design a storage solution for a customer's Oracle OLTP environment. The current configuration is having performance issues and users have complained about slow response times.
What knowledge about a typical Oracle OLTP workload will help in the redesign of the storage environment so that it runs more optimally?
A. A typical read/write is 50% / 50%
B. A typical read/write is 67% / 33%
C. A typical read/write is 75% / 25%
D. A typical read/write is 90% / 10%
The SiRT featured is enabled on the RA in an SRDF/S configuration. When does the host receive the acknowledgement of a write?
A. IO is written to the cache at the R2 site and acknowledgement is received by the R1 site from R2 site.
B. IO is written at R1 site cache and is sent to the R2 site.
C. IO is written to R2 site cache but not acknowledged yet.
D. Immediately after the IO is written to R1 cache.
A customer is planning a Tech Refresh. The proposed migration will make use of Open Replicator Hot Pull.
Which Open Replicator Hot Pull feature allows the customer to minimize the possibility of data loss during the migration?
A. Donor Update
B. Symmetrix Differential Data Facility
C. Protection Bitmap
D. Symmetrix Track Table
You are assigned to design a storage solution for a customer's Oracle OLTP environment. The current configuration has performance issues. Users have complained about slow response.
What knowledge about a typical Oracle OLTP workload will help in the redesign of the storage environment so that it runs more optimally?
A. Database tables and indexes are characterized by a large number of random I/Os. Redo logs are characterized by a large number of sequential I/Os.
B. Redo logs are characterized by a large number of random I/Os. Database tables and indexes are characterized by a large number of sequential I/Os.
C. Database tables, indexes, and redo logs are all characterized by a large number of sequential I/Os.
D. Database tables, indexes, and redo logs are all characterized by a large number of random I/Os.
A customer has a pair of VMAX arrays configured to replicate thin devices at one site to thin devices at another site using SRDF/A. The customer wants to implement TimeFinder/Snap replication of the R2 device on the target array and asks you to confirm this is a supported configuration. What do you advise the customer?
A. No, it is not supported.
B. It is supported only if the precopy option is used.
C. Yes, it is supported.
D. It is supported only if composite groups are used.
Which TimeFinder feature allows you to use TimeFinder/Mirror commands to perform operations on RAID 6 protected BCVs?
A. TimeFinder/Clone emulation mode
B. TimeFinder/Mirror compatibility mode
C. TimeFinder/Clone compatibility mode
D. Symmetrix Differential Data Facility
How many SDDF sessions can each Logical Volume support?
A. 16
B. 8
C. 32
D. 64
What type of configuration change takes a backend device lock on Symmetrix VMAX?
A. Device Masking
B. Changing disk types including physical groups
C. Deletion of disks in a new configuration
D. Changing the FA port flag setting
You have been working with a customer on a new SRDF/A design and need to validate the configuration using Symmetrix data. Which tool do you use?
A. SymmMerge
B. Tier Advisor
C. E-lab Advisor
D. Analyzer Helper
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