subject: E20-850 exam training [print this page] E20-850 Exam E20-850 Exam
CLARiiON Implementation Engineer Expert
Exam Number/Code : E20-850
Exam Name : CLARiiON Implementation Engineer Expert
Questions and Answers : 186 Q&As
Update Time: 2010-09-14
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E20-850 study guide
1. Company XYZ has MirrorView/A deployed with consistency groups. A system administrator expands a LUN in the consistency group to a metaLUN.
Using the least amount of administrative effort, what actions need to be taken to continue the consistency group relationship?
A. Destroy consistency group, re-create consistency group
B. Destroy mirror, re-create mirror
C. Leave consistency group alone
D. Remove mirror from consistency group, destroy mirror, re-create mirror, add mirror to consistency group
Answer: D
2. HHH Corp. is in the process of an Incremental SAN Copy migration between CLARiiON arrays. During the migration, the source LUN fails and causes the reserved snapshot session to stop.
After the source LUN is fixed, what must be done to start the session?
A. Modify the session to a full session and back to an incremental
B. No user action; session will start automatically
C. Session must be destroyed and re-created
D. Start the session manually
Answer: A
3. MMC uses MirrorView/S between two data centers. The company currently uses the write intent log (WIL) feature on both arrays. The production workload was transferred to the remote data center after a disaster. When MMC failed back to the production data center, the company experienced full resynchronizations of all its MirrorView/S LUNs.
Why did this situation occur?
A. WIL from the primary site is irrelevant after the MirrorView/S secondary images have been promoted.
B. WIL is stored on the SP cache and it was lost during the outage.
C. WIL was lost on the production data center during the outage and a full re-synchronization of all the LUNs was required.
