Hitachi
Code: HAT-680
Exam Name: Hitachi Data Systems Certified Professional - Storage administration
Question: 1
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How does a storage administrator obtain the Hitachi Device Manager (HDvM) CLI software?
A. Install it from the Hitachi Command Suite DVD.
B. Install the RAID Manager/CCI software.
C. Download it from the HDvM server.
D. Download the HDvM CLI license.
Answer: C
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Question: 2
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Which two statements regarding the Hitachi Dynamic Link Manager Least I/O and Least Block algorithms are true? (Choose two.)
A. The Least I/O and Least Block algorithms redirect the I/Os to a single path determined by the algorithms.
B. The Least I/O and Least Block algorithms redirect the I/Os to a pair of paths determined by the algorithms.
C. 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 ofpaths.
D. The Extended Least I/O and Extended Least Block algorithms distribute I/Os to paths depending on whether the I/O involves sequential orrandom access.
Answer: A,D
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Question: 3
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Which two operations would be performed on a VSP using the Element Manager feature of Hitachi Device Manager? (Choose two.)
A. Change the ports settings of a storage system.
B. Define tiering policies for Hitachi Tiered Storage Manager.
C. Access external storage management functions.
D. Launch the maintenance procedure for Customer Replaceable Parts.
Answer: A,C
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Question: 4
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A customer has concerns about high availability and single-point failure for their VSP environment and they are planning to implement a multi-pathing software. Which two Hitachi Dynamic Link Manager (HDLM) features will assist this customer? (Choose two.)
A. HDLM automatically redirects I/O operations to alternate paths if a failure occurs.
B. The HDLM server monitors the client hosts' multi-pathing agents and redirects I/Os to an available path if a path failure occurs.
C. HDLM collects path error information and preventively sets a path offline if the error threshold is exceeded.
D. When a failed path becomes available,HDLM places the recovered path back online.
Answer: A,D
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Question: 5
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Which feature allows the naming of LDEVs using Hitachi Device Manager CLI?
A. LDEV Naming
B. LDEV Labeling
C. LDEV Tagging
D. LDEV Editing
Answer: B
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Question: 6
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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
Answer: C
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Question: 7
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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. tracks preloaded to cache
B. blocks held permanent in Read Cache
C. no tracks preloading on the system
D. efficient cache usage on the storage system
Answer: A,D
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Question: 8
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You want to restart the Hitachi Command Suite (HCS) services running on a Windows server. Which tool would you use?
A. Windows Services panel
B. HCS GUI
C. CLI command "hcmdssrv"
D. Windows Task Manager
Answer: C
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Question: 9
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A storage manager needs to add a new server to the Hitachi Device Manager (HDvM) database. As an alternative to running a host scan, which two actions are available to discover and identify the new server? (Choose two.)
A. Use the Host Data Collector.
B. Install HDvM Agent on the host.
C. Execute the AddNewHost CLI command.
D. Run the Import Hosts utility.
Answer: A,B
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Question: 10
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You use Hitachi Device Manager to provision storage. During the provisioning process, what information must you provide? (Choose two.)
A. the name of the host being provisioned from the storage system
B. the WWN of the FC port of the storage system connected to the host's HBA
C. the FC port name of the storage system connected to the host's HBA
D. the FC path priority settings
Answer: A,C
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