Hitachi Hitachi Data Systems Certification HH0-220 Questions & Answers

• Question 41:

  Which three actions should be performed when replacing parts on a Hitachi Unified Storage system? (Choose three.)

  A. Use a antistatic wrist wrap connected to the chassis.

  B. Perform a firmware upgrade to the latest MGA level.

  C. Collect and save a simple trace.

  D. Open a Clarify case with the HDS support center.

  E. Verify the system status using Web tool.

  Correct Answer: ACE

• Question 42:

  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

  Correct Answer: C

• Question 43:

  Which two alerts does Hitachi Dynamic Provisioning issue when DP-Pool capacity usage thresholds are exceeded on a Hitachi Unified Storage system? (Choose two.)

  A. Early Alert

  B. Depletion Alert

  C. Over Provisioning Alert

  D. Exceeding Alert

  Correct Answer: AB

• Question 44:

  What is the correct procedure to replace a suspected SAS interface cable connected to the last drive box (DBL) of a Hitachi Unified Storage system?

  A. Replace the suspected SAS interface cable by a new one.

  B. Using SNM2, disable the suspected SAS link, replace the cable and enable the SAS link.

  C. Using the WEB tool, disable the suspected SAS link, replace the cable and enable the SAS link.

  D. Slide out the I/O module from the DBL, replace the cable and slide the I/O module back in.

  Correct Answer: D

• Question 45:

  Which two statements accurately describe the Program Product functions available on Hitachi Unified Storage (HUS) systems? (Choose two.)

  A. LUN resizing is a basic function in SNM2 and does not require a separate license key.

  B. The Tray Power Saving function does require a separate license key.

  C. Restricting access to a HUS Command Device is possible using Account Authentication.

  D. Hitachi Dynamic Link Manager is used to control the HUS active/active controller feature.

  Correct Answer: AB

• Question 46:

  You have set Extended Round Robin on a server with intensive sequential I/O profile. Which two benefits result from implementing this algorithm? (Choose two.)

  A. tracks preloaded to cache

  B. blocks held permanent in Read Cache

  C. no tracks preloading on the system

  D. efficient cache usage on the storage system

  Correct Answer: AD

• Question 47:

  You are installing the latest release of Hitachi Device Manager and Tuning Manager on different servers to support your Hitachi Unified Storage (HUS) environment. Which two statements are correct in regards to establishing communication between servers? (Choose two.)

  A. The servers use IPv4 protocol to communicate.

  B. The servers' system clocks must be synchronized with less than 5 minutes difference.

  C. The servers use a heartbeat poll over a dedicated management IP link.

  D. The servers communicate in-band over FC connections to the HUS.

  Correct Answer: AB

• Question 48:

  Which three operations are allowed after enabling security on a Hitachi Unified Storage system Fibre Channel (FC) port? (Choose three.)

  A. Add multiple WWNs to one Host Group.

  B. Add the same WWN to multiple Host Groups on the same FC port.

  C. Create a Host Group with two different host connection modes.

  D. Add a LU to two different Host Groups behind two different ports.

  E. Create Host Groups with different host connection modes on the same FC port.

  Correct Answer: ADE

• Question 49:

  A customer uses TrueCopy and ShadowImage with Hitachi AMS2000 modular arrays. They are interested in upgrading those systems to Hitachi Unified Storage (HUS). Which two benefits will the customer have with HUS systems in this environment? (Choose two.)

  A. TrueCopy and ShadowImage will no longer require a DM-LU.

  B. TrueCopy and ShadowImage will require less cache in the systems.

  C. The granularity of differential data being copied to the replication target has improved.

  D. The size of the DM-LU used for ShadowImage and TrueCopy will be reduced by about 50%.

  Correct Answer: BC

• Question 50:

  Which module is unique to the Hitachi Unified Storage (HUS) model 150?

  A. Cache Module to expand memory

  B. I/O Module for host interface options

  C. Battery Module to increase backup duration

  D. SSD Module to support cache backup

  Correct Answer: B