Hitachi HAT-680 Online Practice Questions and Exam Preparation

Hitachi HAT-680 Online Questions & Answers

• Question 71:

  The storage administrator of a VSP must create an LDEV using Hitachi Device Manager. The VSP has already been selected in the Subsystems screen. Which option is available from the General Task menu to perform this task?

  A. Create LDEV
  B. Create Volumes
  C. Allocate Storage
  D. Storage Navigator
  B. Create Volumes

• Question 72:

  A Hitachi Dynamic Provisioning pool has exceeded a threshold and the administrator wants to reduce the pool usage below the threshold setting. How would this be achieved?

  A. Expand pool volumes.
  B. Set Host Mode option 40.
  C. Use Zero Page Reclaim.
  D. Shrink some DP Vols.
  C. Use Zero Page Reclaim.

• Question 73:

  Which two Hitachi Device Manager procedures would you use to add an HUS system as external storage to a VSP? (Choose two.)

  A. Set the Local storage port to Target.
  B. Set the external system port to External.
  C. Detect external LUNs on the Local system.
  D. Set LDEV attributes of the external storage on the Local system.
  C. Detect external LUNs on the Local system.
  D. Set LDEV attributes of the external storage on the Local system.

• Question 74:

  Which Hitachi Command Suite product would be installed on a server different from the one where the Hitachi Device Manager software resides?

  A. Tiered Storage Manager
  B. Tuning Manager
  C. Partition Manager
  D. Replication Manager
  B. Tuning Manager

• Question 75:

  A storage manager has recently implemented a Hitachi Device Manager environment and needs to assign users to the All Resources user group. From which two role options should the storage manager choose to create the user profiles? (Choose two.)

  A. UserGroup
  B. ViewGroup
  C. ModifyGroup
  D. CreateGroup
  B. ViewGroup
  C. ModifyGroup

• Question 76:

  A storage administrator needs to create a LUSE volume on a VSP storage system. Which two volume types are used for this task? (Choose two.)

  A. pool volumes
  B. DP volumes
  C. basic volumes
  D. external volumes
  C. basic volumes
  D. external volumes

• Question 77:

  A user reports that a host is unable to see the LUNs added with Hitachi Device Manager (HDvM). When troubleshooting, which two actions should you perform? (Choose two.)

  A. Restart the HDvM services.
  B. Verify the paths between the host and the storage system.
  C. Verify the Alerts in HDvM.
  D. Set "server.base.initialsynchro=true" in the HDvM server.properties file.
  B. Verify the paths between the host and the storage system.
  C. Verify the Alerts in HDvM.

• Question 78:

  You want to add a VSP which has an externally connected HUS110 into your Hitachi Device Manager (HDvM) environment. What is required to prepare the environment for storage virtualization?

  A. Only the VSP must be added to Hitachi Device Manager.
  B. Only the HUS must be added to Hitachi Device Manager.
  C. Both storage systems must be added to Hitachi Device Manager.
  D. At least one of the storage systems must be added to Hitachi Device Manager.
  C. Both storage systems must be added to Hitachi Device Manager.

• Question 79:

  A customer has identified a performance bottleneck with Online Transaction Processing (OLTP) production host LUNs. The performance improvement plan includes a change to the Hitachi Dynamic Link Manager load balancing algorithm which is currently set to Round Robin. Which setting should the customer use?

  A. Least I/O
  B. Least block
  C. Extended Round Robin
  D. Extended Least block
  A. Least I/O

• Question 80:

  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
  A. Create Pool
  D. Virtualize Volumes