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Exam : EMC E20-512
Title : Symmetrix Business Continuity Specialist for Storage Admins


1. When performing LUN masking operations to support Open Replicator, what must be done to ensure that data can be accessed between two Symmetrix systems?
A. Grant device access to the WWN of the controlling FA ports for the remote devices on the remote FA ports
B. Grant device access to the WWN of the host HBA ports for the remote devices on the controlling FA ports
C. Grant device access to the WWN of the host HBA ports for the remote devices on the remote FA ports
D. Grant device access to the WWN of the remote FA ports for the remote devices on the controlling FA ports
Answer: A

2. A customer would like to create a point-in-time copy of the data for development purposes. The customer environment is not performance-sensitive. The customer would like to access the point-in-time copy at 9 A.M.
The amount of time required to copy the data from the source to the target is 60 minutes and application downtime is not available. Which solution is recommended?
A. Use TimeFinder/Clone to create and activate a clone with the background copy (-copy) option at 8 A.M.
B. Use TimeFinder/Clone to create a clone with the background copy (-copy) option at or before 8 A.M. Activate the clone at 9 A.M.
C. Use TimeFinder/Clone to create a clone using the deferred copy mode (default) prior to 9 A.M. Activate the clone with the consistent option at 9 A.M.
D. Use TimeFinder/Clone to create a clone with the Precopy (-precopy) option at or before 8 A.M. Activate the clone at 9 A.M.
Answer: C

3. When using Open Replicator to do a Hot Pull without the donor_update option set, what is the result of terminating the session before it is complete?
A. Requests for data not yet copied will cause a priority retrieve of the data from the remote volume.
B. Session will run to completion before actually terminating.
C. The local volume will revert to its state prior to the Hot Pull.
D. There is data loss on the remote volume.
Answer: D

4. What does a PowerPath pseudo-device represent?
A. A logical path that leads to a single physical device
B. A logical path set that leads to multiple physical devices
C. A physical path that leads to multiple logical devices
D. A path set that leads to a single logical device
Answer: D

5. PowerPath PPME with Open Replicator is planned for use in a migration of 172 LUNs. The source array is a Symmetrix 8830; the target array is a DMX-3.
For PPME-enabled migrations using Open Replicator, what is the configurable maximum number of concurrent replication sessions that can be supported in this configuration?
A. 16
B. 128
C. 256
D. 512
Answer: D

6. What is the correct sequence of events when a synchronous write occurs in SRDF/S?
1. Host issues a write I/O
2. Remote Symmetrix acknowledges receipt of write
3. Write is transmitted to remote Symmetrix cache
4. Write is received in cache at source Symmetrix
5. Source Symmetrix acknowledges write completion to host
A. 1, 3, 2, 4, 5
B. 1, 4, 3, 2, 5
C. 1, 4, 5, 3, 2
D. 1, 5, 3, 4, 2
Answer: B

7. What is the purpose of the half delete action in SRDF/Star?
A. Used to dissolve RDF relationships when a partner device is unavailable
B. Used to initiate a Star recovery procedure
C. Used to reset the first two mirror positions to fully invalid
D. Used to reverse the data flow after a link failure
Answer: A

8. A customer requests that you create a user account for administering jobs and storage pools in EMC Replication Manager, but without controlling the storage array itself.
What is the required account type that will satisfy only these operations?
A. Database Administrator
B. Operator
C. Power DBA
D. Power User
Answer: C

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