1. What does N_Port ID Virtualization (NPIV) functionality provide to a DL4200?
A.Disk library failover on a multilibrary configuration in a switched fabric environment
B.Disk library failover on a multilibrary configuration in an arbitrated loop environment
C.Engine failover on a multinode configuration in a switched fabric environment
D.Engine failover on a multinode configuration in an arbitrated loop environment
Answer: C
2. Click the Exhibit button.
A customer has a DL4200 connected to two switches in the same fabric, as shown in the exhibit. Windows
Backup Server X is zoned to port 1 on Engine A and Windows Backup Server Y is zoned to port 7 on
Engine B. Active Engine Failover has been configured and is active.
Both backup servers are performing backups at the same time to their respective engines. Engine A has a
failure and all virtual services fail over to Engine B.
The backup administrator has verified that failover has occurred as expected but Backup X is unable to
see its virtual resources through the surviving engine even after rescanning the SCSI bus.
What is the problem?
A.Engine to switch cabling is incorrect
B.Engines are connected to different switches

C.Lack of PowerPath configuration on the backup servers
D.Missing EMC NetWorker DLFailover
license
Answer: A
3. What should be used to configure and manage the EMC Disk Library?
A.EMC ControlCenter for EMC Disk Library
B.EMC Disk Library Console software
C.EMC Disk Library Navisphere software
D.Management is integrated with the backup application
Answer: B
4. An EMC NetWorker customer is using a file type device for backuptodisk.
What will happen if the file
type device fills up?
A.Save is suspended and expired save sets on the volume are deleted
B.The device expands automatically and the save operation continues
C.The save operation is aborted and a new volume is selected for writing
D.The volume is marked full and save continues on a new volume
Answer: D
5. What is the recommended configuration for a Celerra ATA diskarray
enclosure that will be used as a
backuptodisk
target?
A.RAID 3 4+1
B.RAID 3 7+1
C.RAID 5 4+1
D.RAID 5 7+1
Answer: C
6. A customer with a Linux backup server plans to use a CLARiiON as the target for backups. What
should be recommended for adequate I/O performance?

A.Set the read cache to the maximum limit
B.Set the storage element to 256 KB
C.Use a cache page size of 64 KB
D.Use fdisk to correct disk misalignment
Answer: D

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