Online Access Free HQT-6740 Exam Questions

A VSP customer wants to optimize their multi-pathing environment and improve I/O performance.
Which two Hitachi Dynamic Link Manager (HDLM) features will assist this customer?
(Choose two.)
Response:

• A.HDLM provides multiple load-balancing algorithms to balance I/Os across available paths.
• B.HDLM analyzes I/O profiles and determines the most appropriate buffering policy.
• C.The HDLM server monitors the client hosts' multi-pathing agents and redistributes I/Os so no single path becomes overworked orunder-utilized.
• D.HDLM spreads I/O workloads across available paths to ensure that no single path becomes overworked or under-utilized.

You want to configure hosts connected to a VSP using the Host Scan feature of Hitachi Device Manager.
Which action must be performed?
Response:

• A.Set the host WWN for LUN security.
• B.Ensure all hosts are related to the same host group.
• C.Ensure all hosts are related to a host group.
• D.Set the storage WWN for LUN security.

You use Hitachi Device Manager (HDvM) to manage your VSP and HUS storage systems. Within the HDvM GUI, in which two locations would you perform storage allocation tasks?
(Choose two.)
Response:

• A.Logical Groups
• B.Tasks
• C.Administration
• D.Resources

How does a storage administrator obtain the Hitachi Device Manager (HDvM) CLI software?
Response:

• A.Install it from the Hitachi Command Suite DVD.
• B.Download the HDvM CLI license.
• C.Install the RAID Manager/CCI software.
• D.Download it from the HDvM server.

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

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