HH0-220 Online Practice Questions and Answers

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 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

A customer has received a Hitachi Dynamic Provisioning Early Alert warning by e-mail indicating that the default threshold has been reached on a Hitachi Unified Storage (HUS) system. What does this warning indicate?

A. DP-Vols are provisioned over 200% of the DP pool capacity.

B. DP-Vols have used over 40% of the DP pool capacity.

C. The HUS has automatically added another free RAID Group to the DP pool.

D. The HUS has projected that the DP pool will be used up within 24 hours.

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].

Which two features make use of the Memory Management Layer in a Hitachi Unified Storage system? (Choose two.)

A. Quick Format

B. Normal Format

C. Cache Residency

D. ShadowImage

Which two apply when replacing a disk on a Hitachi Unified Storage (HUS) system? (Choose two.)

A. A wrist strap must be used when replacing disk drives.

B. The faulty drive must be blocked using SNM2 before replacement

C. The HUS needs to be in maintenance mode when disks are replaced.

D. The Web tool should be used to confirm that the replacement is successful.

You have just allocated 10 LUNs on a Hitachi Unified Storage system to a HP-UX 11.i host. You now need to verify that the host can see the new storage. Which utility should you run on the HP- UX host?

A. cfgmgr

B. diskpart

C. ioscan

D. devfsadm

Hitachi Dynamic Link Manager is being used with a Hitachi Unified Storage system in a multi-path environment with intense sequential I/Os. What are two recommended load-balancing algorithms? (Choose two.)

A. least I/Os

B. least blocks

C. extended least I/Os

D. extended round-robin

Which three tasks can be performed using the Web tool of a Hitachi Unified Storage system? (Choose three.)

A. collection of a simple trace

B. offline firmware installation

C. identification of failed parts

D. setting up SNMP error reporting

E. configuration of additional cache memory

While installing a new Hitachi Unified Storage (HUS) system, your customer wants to manage the array using a fixed Public IP address. How can this be accomplished?

A. Use the Web Tool on the Public LAN port for each controller to reconfigure the IP address.

B. Use SNM2 to connect to the Maintenance LAN port on either controller to set the IP address.

C. Ask the customer to set a static address on the DHCP Server and plug in the Public LAN.

D. Set the IP address using the LCD displays of each controller on the HUS.

Which two operations can be performed using Storage Navigator Modular 2 on a Hitachi Unified Storage system? (Choose two.)

A. Create Logical Units.

B. Set persistent binding.

C. Run the Initial Setup Wizard.

D. Display Disk Management properties.

Which performance feature is provided by the Hitachi Unified Storage systems controller architecture?

A. automatic cache segment resizing

B. automatic controller load balancing

C. automatic front-end storage group load balancing

D. automatic front-end port hardware load balancing

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

Which three parameters must be set when adding a Cache Partition on a Hitachi Unified Storage system? (Choose three.)

A. Controller

B. Raid Group

C. Cache Size

D. Segment Size

E. Logical Unit

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