Saturday, December 3, 2011

HP HP0-728 Q & A / Study Guide

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What is a Continuous Access EVA copy set?

A. a set of DR groups selected for the purpose of managing the groups
B. a group ofVdisks that transition to the same state simultaneously
C. a bound set of twoVdisks used for long distance replication
D. a set of two or more cluster nodes created as part of a stretch cluster

Answer: C

How should Vdisks for Continuous Access be preferred?

A. split theVdisk in the DR group between the controllers for load balancing
B. allVdisks in the DR group to the same controller
C. split theVdisk in the EVA between the controllers for load balancing
D. allVdisks in the same disk group to the same controller

Answer: B

The log disk collects host writes for _____.

A. managed sets
B. sourceVdisks
C. entire copy set
D. destinationVdisks

Answer: D

Which two can be failed over during a Continuous Access EVA planned or unplanned event?
(Choose two.)

A. a single HSV controller
B. copy set
C. managed set
D. DR group

Answer: C,D

Which two inputs does the Continuous Access EVA Replication Performance Estimator require?
(Choose two.)

A. one-wayintersite latency
B. throughput per second
C. two-wayintersite latency
D. size of a read data packet
E. size of the write data packet
F. number of IO’s per second

Answer: A,E

A customer has a high availability Continuous Access EVA environment. All DR groups are set to
failsafe mode enabled. The source site array has a hardware failure and all DR groups are failed
over to the destination site. The hardware failure is then fixed.
Which two commands need to be set to restore normal operations at the source site? (Choose

A. failback
B. suspend
C. failsafe mode enable
D. resume
E. failover

Answer: C,E

Where is the Business Copy (BC) server component installed in the diagram?

A. Storage Management Appliance (Node 1)
B. storage array
C. host (Node 2)
D. desktop with web browser

Answer: A

In Continuous Access EVA, which statement is true?

A. Synchronous mode allows for more data loss than asynchronous mode.
B. A copy set’s mode is set to synchronous/asynchronous mode.
C. All copy sets within a DR group are either synchronous or asynchronous.
D. Asynchronous mode means an I/O acknowledgement is sent to the host after data is written to
the sourceVdisk and destination Vdisk.

Answer: C

You are creating a DR group for a database.
Which disk group is used for the write history log for the database DR group?

A. 3 TB database disk group with 1 TB of free space
B. an empty disk group with 2 TB of space
C. a new disk group will get created for the log disk
D. 5 TB windows disk group with 2 TB of occupied space

Answer: D

Which icon denotes a failed-over DR group?

Answer: B

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