Hitachi Hitachi Data Systems Certification HH0-220 Questions & Answers

• Question 1:

  What are two characteristics of the active/active architecture on the Hitachi Unified Storage (HUS) systems? (Choose two.)

  A. Multiple ports from the same controller are required to support the active/active feature.

  B. Firmware upgrades are non-disruptive even with one path from a host.

  C. Controller workload balancing is managed by the HUS system.

  D. HDLM needs to be used to benefit from the active/active feature.

  Correct Answer: BC

• Question 2:

  A customer wants to migrate their data from an existing AMS2500 to a newly acquired Hitachi Unified Storage (HUS) system using TrueCopy Extended Distance (TCE) software. Which set of components is required on the HUS to configure TCE?

  A. Journal Volumes and a TCE license

  B. an HDP license and 50% more cache capacity

  C. an HDP License and a TCE license

  D. a Cache Memory adapter and a TCE license

  Correct Answer: C

• Question 3:

  A customer would like to add the File Module option to their Hitachi Unified Storage (HUS) system to provide files services. Which three types of connectivity are required from the File Module? (Choose three.)

  A. FC to HUS

  B. IP to SMU

  C. FC to Servers

  D. IP to Servers

  E. FC to SMU

  Correct Answer: ABD

• Question 4:

  What are two characteristics of the Hitachi Unified Storage (HUS) controllers? (Choose two.)

  A. Mixing FC and iSCSI front-end ports is allowed on all models.

  B. The FC front-end ports automatically sense 1, 2, 4 and 8 Gbps.

  C. The FC front-end ports offer improved sequential I/O performance.

  D. HUS models 110 and 130 are active/passive.

  Correct Answer: AC

• Question 5:

  A customer wants to migrate data from existing modular storage arrays to a newly acquired Hitachi Unified Storage system. To prepare for the storage migration, you have been asked to collect operation data that encompasses multiple storage systems and their attached hosts. Which tool would you use?

  A. auperfmon

  B. raidcom

  C. SE Console

  D. HiPAST

  Correct Answer: C

• Question 6:

  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

  Correct Answer: ACD

• Question 7:

  What describes the characteristics of external backup solutions supported by the Hitachi Unified Storage System (HUS) File Module option?

  A. The HUS File Module uses file system snapshot technology.

  B. The HUS File Module only backs up to direct attached tape drives.

  C. The HUS File Module relies on the User Datagram Protocol (UDP) with CRC enabled.

  D. The HUS File Module uses Network Data Management Protocol (NDMP).

  Correct Answer: D

• Question 8:

  What allows firmware to be updated non-disruptively on the Hitachi Unified Storage systems?

  A. Firmware updates are performed in less than the host I/O timeout value.

  B. While one controller is rebooting, the other handles all host operations.

  C. Host connectivity to both controllers established using multi-pathing software.

  D. Firmware updates only affect the first five drives and no controller reboot is required.

  Correct Answer: B

• Question 9:

  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

  Correct Answer: A

• Question 10:

  You have to replace a Cache Backup Battery online on a Hitachi Unified Storage system. Which two statements are correct? (Choose two.)

  A. When the power is turned off during the replacement, user data on the cache that has not been written will be backed up to flash memory.

  B. You should not perform any replacement while the green READY LED on the front of the Controller Box is blinking at high speed.

  C. You should only perform the replacement while the green READY LED on the front of the Controller Box is blinking at high speed.

  D. You must complete the replacement within a certain time frame.

  Correct Answer: BD