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

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Hitachi HAT-680 Exam Syllabus Topics:

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

1. A storage administrator has been asked to use Hitachi Device Manager (HDvM) to provide information about storage utilization by hosts for an urgent meeting. When the report is created, several hosts have no utilization data associated with them. What is the reason for the missing data?

A) The hosts have not been refreshed.
B) The storage system polling is not synchronized with the report creation.
C) The storage system has not been refreshed.
D) The hosts do not have the HDvM agent installed.

2. You want to log in to Hitachi Device Manager (HDvM), but an Internal Server Error is displayed in the Web Client. You can ping the HDvM server, but no other operations can be performed. When troubleshooting, which two settings should you verify? (Choose two.)

A) That the HDvM's licensed capacity is sufficient.
B) That Common Component services are running.
C) That the firewall is open for port 23015.
D) That the memory heap size is sufficient.

3. You are using Hitachi Storage Navigator to create a LUN on a VSP storage system. After completing the operation you observe that the LUNs you created are not listed. Which action would enable Hitachi Device Manager (HDvM) to see these LUNs?

A) Execute the HDvM CLI command SetLunRecovery.
B) Log back into Storage Navigator and re-create the LUNs.
C) Refresh the storage system.
D) Perform a host refresh using the ResetHost command.

4. Which two statements regarding the Hitachi Dynamic Link Manager Least I/O and Least Block algorithms are true? (Choose two.)

A) The Extended Least I/O and Extended Least Block algorithms distribute sequential I/Os to a set of paths and random I/Os to another set of paths.
B) The Extended Least I/O and Extended Least Block algorithms distribute I/Os to paths depending on whether the I/O involves sequential or random access.
C) The Least I/O and Least Block algorithms redirect the I/Os to a pair of paths determined by the algorithms.
D) The Least I/O and Least Block algorithms redirect the I/Os to a single path determined by the algorithms.

5. 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) Detect external LUNs on the Local system.
C) Set LDEV attributes of the external storage on the Local system.
D) Set the external system port to External.

Solutions: