Hitachi Data Systems Certified Professional - Modular storage installation 認定 HAT-420 試験問題:

1. A Hitachi Unified Storage system is connected to a Solaris server. If you want to optimize performance for
the host I/Os, how do you determine the appropriate queue depth value?

A) Use the operating system default value.
B) Set queue depth to 1.
C) Using the Host installation guide for Fibre Channel.
D) The value is set according to the results of the initial SCSI inquiry.

2. You have been asked to allocate storage from a Hitachi Unified Storage system to a cluster of AIX hosts.
The application owner wants you to make sure that the queue depth is set to 16 for all the LUNs. Where
do you define the queue depth?

A) on the WWPN Target Ports
B) on each LUN
C) on the WWNN Target Ports
D) on the server HBAs

3. You are upgrading a Hitachi Unified Storage (HUS) system with the File Module option. Which
combination is required to support this upgrade?

A) FCoE connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle
B) FC connectivity between the HUS and the File Module plus the Hitachi BOS N software bundle
C) FC connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle
D) 10GbE connectivity between the HUS and the File Module plus the Hitachi BOS M software bundle

4. 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 HPUX host?

A) ioscan
B) diskpart
C) devfsadm
D) cfgmgr

5. On which level can Host Group Security be enabled on a Hitachi Unified Storage system?

A) the Host Group level
B) the FC port level
C) the iSCSI port level
D) the individual LU level

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