HAT-680問題集、Hitachi実際の試験問題

質問 1

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 Extended Round Robin algorithm distributes I/Os to paths depending on whether the I/O involves sequential or random access.

C. The Extended Round Robin algorithm distributes sequential I/Os to a set of paths and random I/Os to another set of paths.

D. The Round Robin algorithm distributes I/Os by alternating requests across all available data paths.

正解: B,D

質問 2

What must be setup before adding an HUS110 into Hitachi Device Manager (HDvM) and discovering this storage system?

A. a Storage Management Device in the HUS110 mapped to the HDvM server

B. a TCP/IP connection between the HUS110 and the HDvM server

C. a Command Device in the HUS110 mapped to the HDvM server

D. a SAN connection between the HUS110 and the HDvM server

正解: B

質問 3

On a server with intensive sequential I/O profile, you have set Extended Round Robin within Hitachi Dynamic Link Manager. Which two benefits result from implementing this algorithm? (Choose two.)

A. efficient cache usage on the storage system

B. tracks preloaded to cache

C. blocks held permanent in Read Cache

D. no tracks preloading on the system

正解: A,B

質問 4

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. Verify the paths between the host and the storage system.

B. Set "server.base.initialsynchro=true" in the HDvM server.properties file.

C. Restart the HDvM services.

D. Verify the Alerts in HDvM.

正解: A,D

質問 5

What are two ways of removing a volume path in Hitachi Device Manager? (Choose two.)

A. from the Logical Group view

B. from the Parity Group view

C. from the Open-Allocated View

D. from the Host view

正解: C,D

質問 6

What are two features of Hitachi Global Link Manager? (Choose two.)

A. It performs automated distribution and installation of the Hitachi Dynamic Link Manager software.

B. It keeps customers informed of the status of all their multi-path links.

C. It provides load-balancing across multiple servers.

D. It manages many servers' multi-path connections from a single console.

正解: B,D

質問 7

What is the maximum capacity of a LUSE volume on a VSP storage system?

A. 36 TB

B. 4 TB

C. 60 TB

D. 32 TB

正解: C

質問 8

A customer is planning to purchase Hitachi modular systems to be virtualized behind their VSPs in an environment with Linux, Windows and VMWare servers. Which two benefits will the Hitachi Command Suite offer to this customer? (Choose two.)

A. interoperability software modules converting unstructured data to structured data

B. a unified management framework across all Hitachi storage platforms

C. management of file, block and content data under a common set of tools

D. a specific set of management programs for each Hitachi storage system type

正解: B,C

Hitachi HITACHI DATA SYSTEMS QUALIFIED PROFESSIONAL - STORAGE ADMINISTRATION - HAT-680 模擬練習