HH0-210 Online Practice Questions and Answers

What are two benefits of using Hitachi Dynamic Provisioning (HDP)? (Choose two.)

A. HDP improves performance by dynamically balancing I/Os across CLPRs.

B. HDP improves performance by spreading host I/O patterns across many physical disks.

C. HDP places cache memory in a central pool available only to dynamically provisioned volumes.

D. HDP allows for dynamically adding more physical storage to the volume when an application requires extra capacity.

A customer is using a Hitachi Enterprise storage system with clustered servers in an active/passive relationship.

What must be done in Hitachi Dynamic Link Manager (HDLM) to ensure that the status of inactive paths on both passive and active nodes is monitored regularly?

A. Switch on Auto Failback.

B. Switch on Path Health Check.

C. Set the reservation level to 2.

D. Set up Intermittent Error Monitoring.

A customer wants to know how to use the audit log for Storage Navigator.

Which two statements are true? (Choose two.)

A. The audit log is stored in the Web Console.

B. The audit log can be accessed from Storage Navigator.

C. The audit log is only viewable by the root user.

D. The audit log can be downloaded for offline viewing.

A customer wants to suppress page migration for a certain Hitachi Dynamic Tiering volume on a VSP. How can this be done?

A. by setting Multi-Tier Pool to Disable

B. by setting Tier Management to Auto

C. by setting Tier Relocation to Disable

D. by setting the Cycle Time to 24 hours

Hitachi Dynamic Link Manager (HDLM) has been configured on a Solaris 10 server with 10 LUNs across two paths. You want to verify the number of LUNs and the path assignments. Which command would you use?

A. dlnkmgr check -path

B. dlnkmgr view -path -c

C. dlnkmgr disp -lun -path

D. dlnkmgr show -stinfo -t

A VSP customer is attaching new SUSE Linux servers to their SAN. What are two configuration requirements? (Choose two.)

A. The queue depth per VSP LUN must not exceed 32.

B. The queue depth per VSP LUN must be at least 8.

C. The queue depth per VSP port must not exceed 2048.

D. The queue depth per VSP port must not exceed 1024.

Which VSP component owns an LDEV?

A. Front-end Director

B. Virtual Storage Director

C. Back-end Director

D. Cache

A storage administrator must provision storage to Windows and Solaris hosts using the same ports.

Which action should be performed?

A. Register Windows and Solaris hosts into the same Host Group.

B. Enter host names so WWNs will be automatically populated.

C. Register Windows and Solaris hosts into different Host Groups.

D. Set a LU path for hosts that are not registered in Host Groups.

During the installation of a VSP, a Hitachi Unified Storage (HUS) system and a third-party array are connected as external storage. Discovering LUNs on the HUS is successful, however the attempt to discover LUNs on the third-party array fails.

What are two reasons for this to happen? (Choose two.)

A. The Universal Volume Manager Multipath Option has not been set.

B. Third-party arrays are not supported by Universal Volume Manager.

C. Port security is preventing access to the LUNs on the third-party array.

D. The VSP microcode does not support this particular third-party array.

Which two statements describe what will happen when a CHA board is replaced on a VSP? (Choose two.)

A. WWN will change with the new board.

B. Zoning must be changed if WWN zoning is used.

C. WWN will remain the same with the new board.

D. Zoning does not need to be changed if WWN zoning is used.

What are three micro-program types on the VSP? (Choose three.)

A. DKC Main

B. SCSI path

C. DKU

D. HDD

E. SVC

What would you use to determine the recommended amount of cache for a specific VSP configuration?

A. HiFire

B. SearchLight

C. VSP Maintenance Manual

D. HiConfig

You are setting LUN security and creating Host Groups on a Hitachi VSP port. What should be considered?

A. Multiple Host Groups are available within the port only when LUN security is enabled.

B. Multiple Host Groups are available within the port only when LUN security is disabled.

C. LUN security can only be enabled per group of 2 ports sharing the same microprocessor.

D. If LUN security is disabled, you can specify multiple WWPNs to the default Host Group.

Which two statements describe the nhanced 3D Scaling?terminology on the VSP? (Choose two.)

A. "Scale Deep" describes Hitachi controller capability to virtualize external storage."

B. "Scale Deep" describes how a VSP can grow to a two controller chassis configuration."

C. "Scale Out" describes Hitachi controller capability to virtualize external storage."

D. "Scale Out" describes how a VSP can grow to a two controller chassis configuration."

What are two valid locations for the Dynamic Mapping table of Dynamic Provisioning? (Choose two.)

A. in flash memory

B. in one of the pool volumes

C. in cache memory

D. in shared memory