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Question 1:
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 of paths.
D. 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.
Correct Answer: AD
Question 2:
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.)
A. Resources
B. Administration
C. Logical Groups
D. Tasks
Correct Answer: AC
Question 3:
The storage administrator of a VSP must create an LDEV using Hitachi Device Manager. The VSP has already been selected in the Subsystems screen. Which option is available from the General Task menu to perform this task?
A. Create LDEV
B. Create Volumes
C. Allocate Storage
D. Storage Navigator
Correct Answer: B
Question 4:
A storage administrator wants to provision storage from a VSP to a Windows 2008 host using Hitachi Device Manager (HDvM). Which two tasks must be completed first? (Choose two.)
A. Create a host group for the host on the VSP.
B. Add the host to HDvM.
C. Add the storage system to HDvM.
D. Add the storage to a logical group in HDvM.
Correct Answer: BC
Question 5:
Which two Hitachi Dynamic Link Manager (HDLM) features address challenges associated with high availability and single point failures? (Choose two.)
A. HDLM provides failover protection by switching to a good path if a path fails.
B. HDLM monitors the paths of multiple hosts and redirects I/Os to the least busy path if a path fails.
C. HDLM can automatically set a failed path back online if it becomes available.
D. HDLM provides error correction algorithms that help recover data transmission errors caused by path failures.
Correct Answer: AC
Question 6:
You are installing Hitachi Device Manager and need to verify the existence of the two pre-defined user profiles. Which two are they? (Choose two.)
A. administrator
B. ha user
C. root
D. system
Correct Answer: BD
Question 7:
A storage manager recently implemented a Hitachi Device Manager environment to manage their storage system and observed that during the software installation process a user group was automatically created. What is the name of this group?
A. Group Resource
B. Resource Group 1
C. All Resources
D. Admin Group
Correct Answer: C
Question 8:
What are two storage resource management functions available in Hitachi Device Manager? (Choose two.)
A. to determine optimum load balancing algorithms based on I/O profile
B. to group storage resources for management purposes
C. to schedule background microcode updates for storage system groups
D. to search storage resources for outputting reports
Correct Answer: BD
Question 9:
A storage administrator is preparing to install the Hitachi Command Suite software. Which three base installation components are always installed or removed together on the management server? (Choose three.)
A. Hitachi Command Suite Common Component
B. Host Data Collector
C. Storage Alert Collector
D. Device Manager server
E. Device Manager Agent
Correct Answer: ABD
Question 10:
What is the purpose of the Hitachi Device Manager (HDvM) “HiCommandCLI.properties” file?
A. It allows scripting of CLI commands.
B. It contains a list of permitted commands.
C. It contains the names of all hosts which can execute HDvM CLI commands.
D. It allows the user to specify a number of defaults to be used when running HDvM CLI commands.
Correct Answer: D
Question 11:
A storage administrator needs to allocate storage to a host using Hitachi Device Manager. In the GUI, which two locations would they navigate to when allocating the storage? (Choose two.)
A. Parity Groups view
B. Admin Groups view
C. Logical Groups view
D. Mobility Groups view
Correct Answer: AC
Question 12:
A customer is using the Hitachi Command Suite (HCS) to manage their storage environment comprising VSPs, HUS and HNAS platforms connected to Linux and Windows servers. Several of the HUS systems, as well as competitors arrays are virtualized behind the VSPs. Which three functions does the HCS provide in this environment? (Choose
A. common GUI
B. server virtualization software
C. integration of all third-party arrays in a global storage management framework
D. single management tool for all Hitachi storage systems and virtualized storage environments
E. common CLI
Correct Answer: ADE
Question 13:
You want to use Hitachi Device Manager (HDvM) to manage your existing Hitachi Dynamic Provisioning (HDP) environment. Which three HDvM CLI commands can be used? (Choose three.)
A. AddPool
B. GrowPool
C. ModifyPool
D. MapLun
E. AddLun
Correct Answer: ACE
Question 14:
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.)
A. HDLM spreads I/O workloads across available paths to ensure that no single path becomes overworked or under-utilized.
B. The HDLM server monitors the client hosts\’ multi-pathing agents and redistributes I/Os so no single path becomes overworked or under-utilized.
C. HDLM provides multiple load-balancing algorithms to balance I/Os across available paths.
D. HDLM analyzes I/O profiles and determines the most appropriate buffering policy.
Correct Answer: AC
Question 15:
When you perform an “Add Subsystem” operation within Hitachi Device Manager (HDvM), you receive an error message. Which troubleshooting step would you perform first?
A. Restart HDvM.
B. Check license status.
C. Open a case with HDS Support.
D. Check the storage system for any inconsistent condition.
Correct Answer: D
