HH0-220 Online Practice Questions and Answers

A customer wants to create a multi-path environment for a specific Redhat Linux application on a Hitachi Unified Storage system. They have created Host Groups on all of the available ports and mapped the logical units accordingly. Which two multi- pathing options can be used for active/active connectivity? (Choose two.)

A. Device Mapper

B. Multipath I/O (MPIO)

C. Hitachi Dynamic Link Manager

D. Multiplexed I/O (MPxIO)

What are two effects of persistent binding? (Choose two.)

A. Persistent binding can speed up path failover.

B. Persistent binding guarantees Command Device security.

C. Persistent binding can speed up the server boot process.

D. Persistent binding guarantees that target assignments are preserved between reboots.

Which two statements relating to Storage Navigator Modular 2 (SNM2) are correct? (Choose two.)

A. SNM2 issues SNMP alerts for failed components within the system.

B. SNM2 allows you to change the IP address and port number used to communicate with the system.

C. SNM2 uses out-of-band communication to administer the system and in-band communication to manage replication.

D. SNM2 can be used to define the Command Devices and the Differential Management LUNs needed by replication software.

Which two expansion trays are supported on Hitachi Unified Storage (HUS) model 110? (Choose two.)

A. 2U tray to hold up to 24 SFF drives

B. 2U tray to hold up to 12 LFF drives

C. 4U tray to hold up to 48 LFF drives

D. 4U tray to hold up to 38 SFF drives

What are two functions that can be done using the Storage Navigator Modular 2 Logical Unit wizard on a Hitachi Unified Storage system? (Choose two.)

A. Create multiple LUs.

B. Create a new RAID Group.

C. Enable Host Group Security.

D. Select SATA II drives for LU creation.

Which two statements relating to LU configuration and management on the Hitachi Unified Storage systems are correct? (Choose two.)

A. A RAID group cannot be deleted before all its LUs have been deleted.

B. A LU can be physically extended if there is space left in the RAID group.

C. It is possible to format a LU quicker by attaching it to both controllers.

D. It is possible to delete all RAID groups including all LUs on the system with one command.

Which method is used by Hitachi Unified Storage (HUS) systems to protect against loss of data in cache should a total power failure occur?

A. The battery power de-stages data in cache to an on-board SSD drive.

B. The HUS uses non-volatile cache so data is always protected.

C. The battery power de-stages data in cache to on-board Flash memory.

D. The HUS mirrors all cache writes to on-board SSD drives.

On a Hitachi Unified Storage system, which statement regarding Master Cache Partitions is correct?

A. They do not exist until the Cache Partition ManagerLicensekey is installed.

B. There is always a Master Cache Partition 0 in controller 0 and in controller 1.

C. They always exist if there is 2GB or more of cache memory installed per controller.

D. They always exist whether or not the Cache Partition ManagerLicensekey is installed.

A customer has deployed TrueCopy Extended Distance on their Hitachi Unified Storage systems. They would like to be alerted when their RPO exceeds the business requirement. Which product would you recommend?

A. Hitachi Replication Manager

B. Hitachi Command Director

C. Business Continuity Manager

D. Hitachi Universal Replicator

A customer wants to install an Emulex HBA in a Windows 2008 server for connection to a Hitachi Unified Storage system. Where would you determine the validity of this configuration?

A. Microsoft Web site

B. HDS Hitachi Unified Storage maintenance manual

C. HiFire on HDS intranet/extranet

D. Storage Navigator Modular 2 User's Guide