Free EMC E20-526 Exam Dumps Questions & Answers

At which point is data compressed when a host sends data to the XtremIO storage system?

• A.Once data is written to the storage controller
• B.After data is written to the SSDs
• C.Inline before data is written to the SSD
• D.After data is in SSD cache

A customer has decided to use VMware Horizon View as their desktop virtualization technology. Their VDI environment will consist of XtremIO storage and ESXi hosts. They are looking for increased speed and low latencies while performing file copy operations.
What should the setting for VAAI XCOPY I/O size be set to in order to achieve this requirement?

• A.4 MB
• B.63 kB
• C.8 kB
• D.256 kB

A customer has a VMware vSphere environment running Native Multipathing (NMP). Which path selection policy should be set for optimal performance when connected to an XtremIO cluster?

• A.Fixed AP
• B.Most Recently Used
• C.Round Robin
• D.Fixed

A customer has recently deployed an XtremIO 20 TB two X-Brick cluster to run an existing instance of Oracle RAC previously leveraging VNX for back-end storage. The application environment uses a block size of 1 MB. Multiple tables are in use with the
PARALLEL_DEGREE_POLICY variable set to AUTO.
The customer wants your help with tuning the DB_FILE_MULTIBLOCK_READ_COUNT parameter for best performance with XtremIO. Which values should be recommended for tuning the DB_FILE_MULTIBLOCK_READ_COUNT parameter in the Oracle RAC
environment?

• A.24 or 32
• B.64 or 128
• C.256 or 512
• D.8 or 16

You need to design an Oracle solution for a customer. Which XtremIO best practices should be used in Oracle environments?

• A.Use a 4 kB LUN sector size for databases. Use Lazy Zeroed Thick formatting for ESXi
• B.Align data on 4 kB boundaries. Use Lazy Zeroed Thick formatting on ESXi
• C.Align data on 4 kB boundaries. Use Thin formatting on ESXi
• D.Use a 512 byte LUN sector size for databases. Use Eager Zeroed Thick formatting for
  ESXi