E20-820 Exam
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Exam : EMC E20-820
Title : CLARiiON Solutions Expert Exam for Technology Architects
1. A user fractures a clone and presents it to a secondary host. However, the data on the clone LUN does not contain
the same data as the production host at the time of the fracture. What is the most likely cause?
A. The application and file system buffers on the production host were not flushed prior to the fracture.
B. The appropriate file system repair utilities on the production host were not performed prior to the fracture.
C. The Consistent Fracture feature was not enabled on the source LUN.
D. The file system on the production host must be unmounted prior to the fracture.
Answer: A
2. Your customer is using SnapView to provide backup images (snaps and clones) of various host data across five
CX3-40s. Recently they upgraded the CLARiiONs to FLARE release 26. Previously their scripts took care of the
SnapView snap sessions and clone re-syncing, and ran without incident in the SnapView environment. Those same
scripts now fail, with errors that the customer is saying are related to permissions.
What is the cause of the failure?
A. The agent.config file does not exist in the Navisphere Agent directory.
B. The agent.config file does not exist in the Navisphere CLI directory.
C. The Navisphere security file does not exist in the user home directory.
D. The usernames and hostnames do not appear in the CLARiiON SP privileged user list.
Answer: C
3. A customer's clone restore script has lines that perform the following operations:
1. Check that the clone is fractured
2. Flush the clone buffers
3. Flush the Source LUN buffers
4. Take the Source LUN offline
5. Start the reverse synchronization
6. Bring the Source LUN online
What would you add to the script to ensure more reliable operation?
A. A delay between steps 2 and 3 to allow the clone buffers to complete flushing
B. A delay between steps 3 and 4 to allow the Source LUN buffers to complete flushing
C. A delay between steps 4 and 5 to allow the Source LUN to transition to the offline state
D. A delay between steps 5 and 6 to allow the reverse synchronization to start
Answer: D
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