HP0-J28 Exam

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Exam : HP HP0-J28
Title : Implementing HP StorageWorks Virtual Library Systems


1. What is oversubscription in the context of virtual libraries?
A.more capacity allocated than physically installed
B.more libraries created than currently licensed
C.more virtual drives created than currently licensed
D.more data streams than the library can process
Answer: A

2. With the maximum number of supported nodes, running the VLS software version 3.x, how many arrays are supported in a VLS9000?
A.8
B.16
C.32
D.64
Answer: B

3. When would you opt to use an HP Data Protector environment with Advanced Backup to Disk licensing in conjunction with a virtual library system instead of a traditional backup-to-disk solution? (Select two.)
A.when you want to use target-based compression
B.when the environment consists mainly of LAN clients
C.when you want to use existing SAN storage or locally attached storage
D.when there are many SAN hosts writing to disk
E.when there are relatively few SAN hosts writing to disk
Answer: AD

4. What are advantages of having separate zones for disk storage systems and disk-to-disk backup systems in storage area networks? (Select two.)
A.The physical and virtual tape controllers do not discover disk controllers.
B.Administrative and management costs are lower.
C.Tape multipathing functionality can be used to map the physical and virtual devices.
D.There is less host access and improved target and LUN shifting.
E.Performance is improved, due to dedicated HBAs for disk and tape access.
Answer: AE

5. What is an advantage of using the automigration feature of virtual library systems?
A.The tapes are analyzed during backup to migrate all files. After the content is decoded, only those files are compared to the same files from the previous backup.B.It leverages object-level differencing code with a design centered on performance and scalability.
C.The destination tapes are block-by-block copies of the source tapes and can easily be restored by any tape library to which the backup application has access.
D.It delivers fastest restores from recently backed up data, maintains the complete most recent copy of backup data, but eliminates duplicate data in previous backups.
Answer: C

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