HAT-680 Online Practice Questions and Answers

From the Mobility tab of the Hitachi Command Suite (HCS), which two operations would you perform to optimize placement of data within a Hitachi Dynamic Tiering (HDT) environment? (Choose two.)

A. Create an HDT tiering policy.

B. Edit Tier Relocation of HDT volumes.

C. Expand HDT volumes.

D. Start manual monitoring of HDT pools.

Which two operations would you perform on a VSP using the Element Manager feature of Hitachi Device Manager? (Choose two.)

A. Create a system disk.

B. Generate storage utilization reports for groups of storage systems.

C. View the configuration of a storage system.

D. Update a storage system microcode.

You want to use Hitachi Device Manager to allocate storage direct from search results. In the GUI, which two storage operations are you permitted to perform after executing the search? (Choose two.)

A. Create Pool

B. Expand Pool

C. Create Label

D. Virtualize Volumes

Which three Hitachi storage systems would be used to virtualize external storage? (Choose three.)

A. HUS

B. VSP

C. USP V

D. 9900V

E. USP

You are creating new users within Hitachi Device Manager and must ensure that the appropriate permissions are applied. What are two valid user management permissions? (Choose two.)

A. Edit

B. Peer

C. View

D. Create

You are configuring external storage with Hitachi Device Manager on a VSP. What happens when you set the Cache Mode parameter to Enable?

A. After receiving the data into its cache memory, the VSP signals the host that an I/O operation has completed and then asynchronously destages the data to the external storage system.

B. After receiving the data into its cache memory, the VSP signals the host that an I/O operation has completed only after it has synchronously written the data to the external storage system.

C. The VSP will always use its cache for every operation.

D. The VSP will always use the cache in the remote storage system for every operation.

Before starting provisioning operations in Hitachi Device Manager, what are three requirements? (Choose three)

A. The host must be physically connected to the SAN.

B. The port on the storage system must be configured.

C. Any world-wide node name (WWNN) must be configured for the host.

D. The host must appear in the host view.

E. The switch must be added to Device Manager.

Which three storage operations are performed with Hitachi Device Manager? (Choose three.)

A. allocate volumes

B. unallocate volumes

C. compress volumes

D. dedupe volumes

E. create volume

A customer has concerns about high availability and single-point failure for their VSP environment and they are planning to implement a multi-pathing software. Which two Hitachi Dynamic Link Manager (HDLM) features will assist this customer? (Choose two.)

A. HDLM automatically redirects I/O operations to alternate paths if a failure occurs.

B. The HDLM server monitors the client hosts' multi-pathing agents and redirects I/Os to an available path if a path failure occurs.

C. HDLM collects path error information and preventively sets a path offline if the error threshold is exceeded.

D. When a failed path becomes available, HDLM places the recovered path back online.

Using Hitachi Device Manager, and after launching the Element Manager, you want to specify a logical device (LDEV) as a Command Device on a VSP storage system. Which two conditions must the LDEV satisfy? (Choose two.)

A. The LDEV must be at least 128 MB in size.

B. The logical device must not be reserved for ShadowImage in-system replication.

C. The emulation type must be OPEN-V.

D. The logical device must not be on a RAID1 parity group.