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Hitachi HAT-420 Exam Syllabus Topics:

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

1. 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) This a newer storage array with an older version of ESX so the HBA drivers need to be updated.
D) ESX 4.x servers cannot recognize volumes that are 2TB or larger.

2. You have just installed Hitachi Dynamic Link Manager on a Solaris server. What is the purpose of issuing
the "dlnkmgr view -sys" command?

A) It displays the configuration.
B) It displays the primary path.
C) It configures the alternate path.
D) It displays the alternate path.

3. What are three characteristics of the Hitachi Unified Storage systems active/active controller design?
(Choose three.)

A) Workload is automatically balanced between controllers.
B) SNM2 GUI is used to turn on active/active controller processing.
C) Non disruptive firmware upgrade is possible even if a host is connected by only one path.
D) When creating a LUN the default controller must be selected.
E) The processor of Ctlr0 can access the Fibre Channel (FC) ports of Ctrl1.

4. A customer would like to deploy Hitachi Global Link Manager (HGLM) to monitor for path errors on their
SAN hosts running Hitachi Dynamic Link Manager (HDLM). Which method is used by the host to alert the
HGLM server?

A) SMS
B) SNMP
C) SMTP
D) SIM

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

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

Solutions: