HH0-220 Online Practice Questions and Answers

A customer has identified a performance bottleneck with Online Transaction Processing (OLTP) production host LUNs. The performance improvement plan includes a change to the Hitachi Dynamic Link Manager load balancing algorithm which is currently set to Round Robin. Which setting would you recommend?

A. Least I/Os

B. Least blocks

C. Extended Round Robin

D. Extended Least blocks

What is a key characteristic of the Modular Volume Migration feature on a Hitachi Unified Storage (HUS) system?

A. It migrates volumes between HUS systems.

B. It uses the Copy-on-Write Snapshot engine.

C. It migrates volumes within the same RAID group.

D. It migrates volumes within a HUS system.

Which three steps must be completed to enable secure access to LUs? (Choose three.)

A. Map LUs to the Host Group.

B. Add host WWNs to the Host Group.

C. Set Multi-path Mode.

D. Add Fibre Channel ports.

E. Enable Host Group security.

You plan to use Storage Navigator Modular 2 (SNM2) to perform a non-disruptive upgrade of the firmware on a Hitachi Unified Storage (HUS) system. What are two requirements for this process? (Choose two.)

A. The HUS must have a Device Manager Agent installed and running.

B. There must be no hardware faults or missing components on the HUS.

C. You must have a working LAN connection between the SNM2 server and the HUS.

D. All hosts must be connected to the HUS using HDLM or similar multi-pathing software.

Which technology is used on the back-end of the Hitachi Unified Storage systems?

A. 6Gbps Fibre Channel FC-AL

B. 6Gbps Point-to-Point Fibre Channel

C. 6Gbps switched SATA Point-to-Point

D. 6Gbps switched Serial Attached SCSI

After opening a case with the Hitachi Data Systems technical support center, you have been asked to collect error information. How do you send the collected data to the technical support center?

A. Upload to ftp://ftp.hds.com.

B. Upload to https://tuf.hds.com.

C. Upload to https://www.hds.com.

D. Attach it to an email to [email protected].

A customer has installed a Hitachi Unified Storage (HUS) system with only port 0A connected to a Linux server. There is a video streaming application running on the server. You have to perform a firmware update using SNM2. What will happen when the update is started?

A. The Linux application will continue to function non-disruptively.

B. The Linux server will time-out because there is no alternate path.

C. The firmware update process will abort if the HUS does not have at least 5 seconds of no I/O activity on port 0A within 5 minutes.

D. The firmware update will fail because the HUS active/active controller feature checks for alternate pathing.

Which pair of IP addresses is assigned to the Hitachi Unified Storage system maintenance LAN ports by default?

A. 10.0.0.16 and 10.0.0.17

B. 10.1.1.16 and 10.1.1.17

C. 192.168.0.16 and 192.168.0.17

D. 192.168.1.16 and 192.168.1.17

A customer will be implementing a Hitachi Unified Storage File Module in a switch- less two-node cluster. What needs to be used for the cluster interconnect?

A. Two10Gbps Ethernet connections with LC connectors

B. Two10Gbps Ethernet connections with XFP connectors

C. Two1Gbps Ethernet connections with RJ-45 connectors

D. Two8Gbps FC connections with LC connectors

A storage administrator would like to connect 10 hosts into the same FC ports of a Hitachi Unified Storage system. They are concerned that one host with high I/Os will impact the other hosts on the same FC ports. Which HBA parameter should be set to limit the number of outstanding I/Os on each host?

A. queue depth

B. command length

C. command depth

D. queue length