Hitachi HAT-680 Exam : HITACHI DATA SYSTEMS QUALIFIED PROFESSIONAL - STORAGE ADMINISTRATION

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Hitachi HAT-680 Exam Syllabus Topics:

Hitachi HITACHI DATA SYSTEMS QUALIFIED PROFESSIONAL - STORAGE ADMINISTRATION Sample Questions:

1. When configuring external storage on a VSP storage system, what happens when the Inflow Control option is set to Enable?

A) Writes will be rejected when the cache usage is above threshold 2.
B) Writes will be accepted when the external volume cannot be accessed.
C) Writes will be rejected when the external volume cannot be accessed.
D) Writes will be rejected when the cache usage is above threshold 1.

2. 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 all available 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 two data paths.

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

A) It provides load-balancing across multiple servers.
B) It keeps customers informed of the status of all their multi-path links.
C) It manages many servers' multi-path connections from a single console.
D) It performs automated distribution and installation of the Hitachi Dynamic Link Manager software.

4. A manufacturing company wants to centrally manage all their multi-pathing software using Hitachi Global Link Manager (HGLM). Which two types of multi-pathing software are supported? (Choose two.)

A) PowerPath
B) HDLM
C) HP-UX Multipathing
D) SDD

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

A) The VSP will always use its cache for every operation.
B) The VSP will always use the cache in the remote storage system for every operation.
C) 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.
D) 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.

Solutions: