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Hitachi HAT-420 Exam Syllabus Topics:

Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:

1. 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 communicate in-band over FC connections to the HUS.
B) The servers' system clocks must be synchronized with less than 5 minutes difference.
C) The servers use IPv4 protocol to communicate.
D) The servers use a heartbeat poll over a dedicated management IP link.

2. 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) Using the WEB tool, disable the suspected SAS link, replace the cable and enable the SAS link.
B) Replace the suspected SAS interface cable by a new one.
C) Using SNM2, 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.

3. What needs to be replaced in case of a local memory DIMM failure on a Hitachi Unified Storage
controller?

A) the local memory DIMM
B) the controller
C) the controller, the local memory DIMM and the cache DIMMs
D) the controller and the local memory DIMM

4. You have just allocated four 3TB LUNs from a Hitachi Unified Storage System to a set of ESX 4.x servers.
The VMware administrator can see volumes that are assigned to the servers from an older storage array,
but not the volumes you have just allocated. What is the most likely cause?

A) The FC switch ports need to be disabled/enabled to force the HBAs to re-login to the fabric.
B) The rescan function in VMware is not working, so both servers need to be rebooted.
C) ESX 4.x servers cannot recognize volumes that are 2TB or larger.
D) This a newer storage array with an older version of ESX so the HBA drivers need to be updated.

5. Which two operations can be performed with the Web utility on a Hitachi Unified Storage system?
(Choose two.)

A) Perform an offline microcode update.
B) Take a simple trace.
C) Perform an online microcode update.
D) Install license keys.

Solutions: