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HITACHI DATA SYSTEMS HAT-420 TEST
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HITACHI DATA SYSTEMS HAT-420 TEST
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HITACHI DATA SYSTEMS HAT-420 TESTWhat is Hitachi Data System's recommended practice for zoning?
A. port-based zoning
B. zoning is optional
C. single HBA zoning (one HBA per zone)
D. single operation system zoning (all HBAs from one OS in a zone) - Answers -c
A customer has identified a performance bottleneck with Online Transaction Processing
(OLTP) production host LUNs. The performance improvement plan includes a change
to the Hitachi Dynamic Link Manager load balancing algorithm which is currently set to
Round Robin. Which setting would you recommend?
A. Least I/Os
B. Least blocks
C. Extended Round Robin
D. Extended Least blocks - Answers -a
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. This a newer storage array with an older version of ESX so the HBA drivers need to
be updated.
C. ESX 4.x servers cannot recognize volumes that are 2TB or larger.
D. The rescan function in VMware is not working, so both servers need to be rebooted. -
Answers -c
You want to configure SNMP on a Hitachi Unified Storage system. The license key is
already installed and enabled. What are two key steps when configuring SNMP?
(Choose two.)
,A. Import the MIB file into the HUS.
B. Install an SNMP Manager on the HUS.
C. Create the SNMP environment file in the HUS.
D. Register the SNMP configuration files in the HUS. - Answers -c,d
A customer wants to create a multi-path environment for a specific Redhat Linux
application on a Hitachi Unified Storage system. They have created Host Groups on all
of the available ports and mapped the logical units accordingly. Which two multi-pathing
options can be used for active/active connectivity? (Choose two.)
A. Device Mapper
B. Multipath I/O (MPIO)
C. Hitachi Dynamic Link Manager
D. Multiplexed I/O (MPxIO) - Answers -a,c
You are implementing a Hitachi Unified Storage File Module cluster with a single SMU.
How do you run the smu-config script?
A. Connect an Ethernet cable and login as supervisor.
B. Connect a serial null-modem cable and login as supervisor.
C. Connect an Ethernet cable and login as root.
D. Connect a serial null-modem cable and login as root. - Answers -d
What needs to be replaced in case of a local memory DIMM failure on a Hitachi Unified
Storage controller?
A. the controller
B. the local memory DIMM
C. the controller and the local memory DIMM
D. the controller, the local memory DIMM and the cache DIMMs - Answers -c
You are upgrading a Hitachi Unified Storage (HUS) system with the File Module option.
Which combination is required to support this upgrade?
, A. FC connectivity between the HUS and the File Module plus the Hitachi BOS F
software bundle
B. 10GbE connectivity between the HUS and the File Module plus the Hitachi BOS M
software bundle
C. FCoE connectivity between the HUS and the File Module plus the Hitachi BOS F
software bundle
D. FC connectivity between the HUS and the File Module plus the Hitachi BOS N
software bundle - Answers -a
What are two effects of persistent binding? (Choose two.)
A. Persistent binding can speed up path failover.
B. Persistent binding guarantees Command Device security.
C. Persistent binding can speed up the server boot process.
D. Persistent binding guarantees that target assignments are preserved between
reboots. - Answers -c,d
Which two operations can be performed with the Web utility on a Hitachi Unified
Storage system? (Choose two.)
A. Take a simple trace.
B. Install license keys.
C. Perform an online microcode update.
D. Perform an offline microcode update. - Answers -a,d
A customer wants to start using ShadowImage on several of their existing Hitachi
Unified Storage systems. They would like a solution to centrally configure their Point-in-
Time copies. Which product would you recommend?
A. Hitachi Dynamic Replicator
B. Hitachi Universal Replicator
C. Business Continuity Manager
D. Hitachi Replication Manager - Answers -d
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