Hitachi HAT-680 Online Practice Questions and Exam Preparation

Hitachi HAT-680 Online Questions & Answers

• Question 41:

  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.
  B. The logical device must not be reserved for ShadowImage in-system replication.
  C. The emulation type must be OPEN-V.

• Question 42:

  You are working within a Hitachi Device Manager environment. What are three benefits of implementing Hitachi Dynamic Provisioning (HDP)? (Choose three.)

  A. Data written across multiple disks optimizes performance.
  B. User capacity can be allocated before storage is purchased.
  C. User data is automatically mirrored to secondary storage.
  D. HDP volumes can be dynamically shrunk.
  E. HDP volumes can be dynamically expanded.
  A. Data written across multiple disks optimizes performance.
  B. User capacity can be allocated before storage is purchased.
  E. HDP volumes can be dynamically expanded.

• Question 43:

  You want to monitor the storage capacity used by an application. Which feature of Hitachi Device Manager would you use to achieve this?

  A. device groups
  B. host groups
  C. logical groups
  D. application groups
  C. logical groups

• Question 44:

  Which two Hitachi Dynamic Link Manager (HDLM) features address challenges associated with high availability and single point failures? (Choose two.)

  A. HDLM provides failover protection by switching to a good path if a path fails.
  B. HDLM monitors the paths of multiple hosts and redirects I/Os to the least busy path if a path fails.
  C. HDLM can automatically set a failed path back online if it becomes available.
  D. HDLM provides error correction algorithms that help recover data transmission errors caused by path failures.
  A. HDLM provides failover protection by switching to a good path if a path fails.
  C. HDLM can automatically set a failed path back online if it becomes available.

• Question 45:

  When enabled, what does the path health checking feature of Hitachi Dynamic Link Manager (HDLM) do?

  A. It causes HDLM to rotate I/Os across all healthy paths.
  B. It causes HDLM to automatically check the path status at regular intervals.
  C. It enables the last I/O recovery routine to execute upon path failure.
  D. It logs path status information and generate path health reports.
  B. It causes HDLM to automatically check the path status at regular intervals.

• Question 46:

  A storage manager recently implemented a Hitachi Device Manager environment to manage their storage system and observed that during the software installation process a user group was automatically created. What is the name of this group?

  A. Group Resource
  B. Resource Group 1
  C. All Resources
  D. Admin Group
  C. All Resources

• Question 47:

  Which two statements regarding the Hitachi Dynamic Link Manager Round Robin algorithms are true? (Choose two.)

  A. The Round Robin algorithm distributes I/Os by alternating requests across two data paths.
  B. The Round Robin algorithm distributes I/Os by alternating requests across all available data paths.
  C. The Extended Round Robin algorithm distributes I/Os to paths depending on whether the I/O involves sequential or random access.
  D. The Extended Round Robin algorithm distributes sequential I/Os to a set of paths and random I/Os to another set of paths.
  B. The Round Robin algorithm distributes I/Os by alternating requests across all available data paths.
  C. The Extended Round Robin algorithm distributes I/Os to paths depending on whether the I/O involves sequential or random access.

• Question 48:

  You are installing Hitachi Device Manager and need to verify the existence of the peer user profile. Which user name should you verify?

  A. hauser
  B. system
  C. manager
  D. administrator
  A. hauser

• Question 49:

  A storage administrator is preparing to install the Hitachi Command Suite software. Which three base installation components are always installed or removed together on the management server? (Choose three.)

  A. Hitachi Command Suite Common Component
  B. Host Data Collector
  C. Storage Alert Collector
  D. Device Manager server
  E. Device Manager Agent
  A. Hitachi Command Suite Common Component
  B. Host Data Collector
  D. Device Manager server

• Question 50:

  You want to group volumes together on a VSP storage system using LUSE. What is the maximum number of volumes that would be grouped together?

  A. 16
  B. 32
  C. 36
  D. 60
  C. 36