HAT-420 Exam Questions
109 real HAT-420 exam questions with expert-verified answers and explanations. Page 2 of 3.
- Question #51Verification and Testing
You have just installed Hitachi Dynamic Link Manager on a Solaris server. What is the purpose of issuing the "dlnkmgr view -sys" command?
HDLMdlnkmgr commandSolaris multipathpath configuration - Question #52Basic Configuration and Initialization
Which two features make use of the Memory Management Layer in a Hitachi Unified Storage system? (Choose two.)
Memory Management LayerCache ResidencyShadowImageHUS cache - Question #53Basic Configuration and Initialization
A customer wants to configure a specific 5GB LUN for the fastest possible response time on a Hitachi Unified Storage system. Which feature should be used?
Cache Residency Managerperformance optimizationLUN cache pinningHUS - Question #54Verification and Testing
Your Hitachi Unified Storage (HUS) customer uses the latest release of Hitachi Command Suite (HCS) products, Device Manager and Tuning Manager. Which tab in the HCS main view is av...
Hitachi Command SuiteTuning Managerperformance monitoringHUS analytics - Question #55Basic Configuration and Initialization
A customer plans to start using Cache Partition Manager (CPM) on a Hitachi Unified Storage system. Which two statements regarding the installation and configuration of this Program...
Cache Partition Managerlicense keyonline configurationreboot requirements - Question #56Planning and Site Preparation
A customer wants to migrate Hitachi AMS2100 data to a newly acquired Hitachi Unified Storage (HUS) system. Which statement about the migration is correct?
TrueCopydata migrationAMS2100 to HUSstorage replication - Question #57Basic Configuration and Initialization
A user with Storage Administration View and Management rights has logged in to a Hitachi Unified Storage system. What happens if a second user with Storage Administration View and...
concurrent loginstorage administration rightsuser session managementSNM2 - Question #58Hardware Installation and Cabling
Which two apply when replacing a disk on a Hitachi Unified Storage (HUS) system? (Choose two.)
disk replacementESD wrist strapSNM2 maintenanceWeb tool verification - Question #59Planning and Site Preparation
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 wi...
TrueCopyShadowImageHUS upgrade benefitsDM-LU reduction - Question #60Hardware Installation and Cabling
Which module is unique to the Hitachi Unified Storage (HUS) model 150?
HUS 150I/O Modulehost interface optionshardware modules - Question #61Basic Configuration and Initialization
A customer has installed a Hitachi Unified Storage (HUS) system with only port 0A connected to a Linux server. There is a video streaming application running on the server. You hav...
firmware updateSNM2non-disruptive upgradesingle path - Question #62Basic Configuration and Initialization
Which three operations are allowed after enabling security on a Hitachi Unified Storage system Fibre Channel (FC) port? (Choose three.)
Fibre Channel securityHost GroupsWWNLUN masking - Question #63Basic Configuration and Initialization
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.)
Extended Round Robincache optimizationsequential I/Oload balancing - Question #64Planning and Site Preparation
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 stateme...
Device ManagerTuning Managerserver communicationclock synchronization - Question #65Basic Configuration and Initialization
Which two statements accurately describe the Program Product functions available on Hitachi Unified Storage (HUS) systems? (Choose two.)
Program Product licensingAccount AuthenticationSNM2HDLM - Question #66Planning and Site Preparation
A manufacturing company wants to centrally manage all their multipath software using Hitachi Global Link Manager (HGLM). Which two types of multipath software are supported? (Choos...
HGLMmultipath softwareHDLMVxDMP - Question #67Hardware Installation and Cabling
Which three actions should be performed when replacing parts on a Hitachi Unified Storage system? (Choose three.)
parts replacementantistatic precautionssimple traceWeb tool - Question #68Verification and Testing
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...
HP-UXLUN discoveryioscanstorage allocation - Question #69Verification and Testing
Which two alerts does Hitachi Dynamic Provisioning issue when DP-Pool capacity usage thresholds are exceeded on a Hitachi Unified Storage system? (Choose two.)
Dynamic ProvisioningDP-Poolcapacity alertsthreshold monitoring - Question #70Hardware Installation and Cabling
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?
SAS cable replacementI/O moduledrive boxhardware maintenance - Question #71Basic Configuration and Initialization
Hitachi Dynamic Link Manager is being used with a Hitachi Unified Storage system in a multi-path environment with intense sequential I/Os. What are two recommended load-balancing a...
HDLMload balancingsequential I/Omultipath - Question #72Basic Configuration and Initialization
Which three tasks can be performed using the Web tool of a Hitachi Unified Storage system? (Choose three.)
Web toolsystem managementSNMPtrace collection - Question #73Verification and Testing
Yesterday you allocated five new LUNs for a Solaris 9 host. Today the Solaris administrator is concerned about corrupt data because the host system log has several entries referenc...
SolarisLUN labelingdisk initializationerror diagnosis - Question #74Documentation and Handover
Which two self-service resources would you use if you require installation assistance? (Choose two.)
support resourcesInfoSearchsupport portalinstallation assistance - Question #75Documentation and Handover
Which two Hitachi Dynamic Link Manager documents provide detailed information of supported Fibre Channel HBA drivers? (Choose two.)
HDLM documentationFC HBA driversRelease NotesUser Guide - Question #76Basic Configuration and Initialization
While installing a new Hitachi Unified Storage (HUS) system, your customer wants to manage the array using a fixed Public IP address. How can this be accomplished?
IP configurationSNM2Maintenance LANPublic LAN - Question #77Basic Configuration and Initialization
Which two operations can be performed using Storage Navigator Modular 2 on a Hitachi Unified Storage system? (Choose two.)
SNM2Logical UnitsInitial Setup Wizardstorage configuration - Question #78Verification and Testing
You have replaced a controller on a Hitachi Unified Storage system. Which two methods should be used to confirm that the replacement completed successfully? (Choose two.)
controller replacementWeb toolSNM2 alertsverification methods - Question #79Basic Configuration and Initialization
Which pair of IP addresses is assigned to the Hitachi Unified Storage system maintenance LAN ports by default?
maintenance LANdefault IP addressnetwork configurationcontroller - Question #80Basic Configuration and Initialization
What does the root account on a Hitachi Unified Storage system support by default?
root accountaccount managementdefault permissionsHUS security - Question #81Planning and Site Preparation
What must be installed on an AIX server prior to Hitachi Dynamic Link Manager Installation?
HDLM prerequisitesAIXHitachi ODMHBA software - Question #82Basic Configuration and Initialization
Which method is used by Hitachi Unified Storage (HUS) systems to protect against loss of data in cache should a total power failure occur?
cache protectionpower failurebattery backupFlash memory - Question #83Basic Configuration and Initialization
What are the two bitmap locations used by the Memory Management Layer during LU format in Hitachi Unified Storage systems? (Choose two.)
Memory Management LayerLU formatbitmap locationscache - Question #84Basic Configuration and Initialization
On a Hitachi Unified Storage system, which statement regarding Master Cache Partitions is correct?
Master Cache PartitionCache Partition Managercache memorycontroller - Question #85Basic Configuration and Initialization
Why will a server in an environment using persistent binding maintain a constant view of its target IDs when rebooted?
persistent bindingtarget IDSCSISAN host connectivity - Question #86Basic Configuration and Initialization
On which level can Host Group Security be enabled on a Hitachi Unified Storage system?
Host Group SecurityFC portaccess controlHUS security - Question #87Basic Configuration and Initialization
What are two advantages of the Memory Management Layer (MML) in Hitachi Unified Storage systems? (Choose two.)
Memory Management LayerLU format speedmetadata cachingMML advantages - Question #88Basic Configuration and Initialization
Which performance feature is provided by the Hitachi Unified Storage systems controller architecture?
controller architectureload balancingHUS performancedual controller - Question #89Basic Configuration and Initialization
A customer using a Hitachi Unified Storage system wants to protect their data LUNs from being accidentally unmapped. Which feature should be used?
Mapping GuardLUN protectionunmapping preventionHUS features - Question #90Verification and Testing
A customer has requested your help to find out where a Hitachi Unified Storage (HUS) system's FC port 0A connects into their SAN. How can you find this information?
FC portWWPNswitch name serverSAN topology - Question #91Hardware Installation and Cabling
A customer will be implementing a Hitachi Unified Storage File Module in a switch-less two-node cluster. What needs to be used for the cluster interconnect?
File Modulecluster interconnectXFP connectors10GbE cabling - Question #92Verification and Testing
A customer has deployed TrueCopy Extended Distance on their Hitachi Unified Storage systems. They would like to be alerted when their RPO exceeds the business requirement. Which pr...
TrueCopy Extended DistanceRPO monitoringHitachi Replication Managerreplication management - Question #93Planning and Site Preparation
Which feature of the Hitachi Unified Storage model 150 distinguishes it from models 110 and 130?
HUS 150I/O modulesmodel comparisonhardware features - Question #94Basic Configuration and Initialization
What are two ways to restrict access to storage through a Fabric? (Choose two.)
SAN access controlfabric zoningport securitystorage security - Question #95Hardware Installation and Cabling
Which two tasks can be performed online on a Hitachi Unified Storage system? (Choose two.)
online maintenanceSFP replacementhot-swapHUS serviceability - Question #96Basic Configuration and Initialization
A customer wants to migrate Hitachi AMS2300 data to a newly acquired Hitachi Unified Storage (HUS) system. Which statement about the migration is correct?
data migrationTrueCopyAMS2300 to HUSmigration licensing - Question #97Hardware Installation and Cabling
You have to replace a Cache Backup Battery online on a Hitachi Unified Storage system. Which two statements are correct? (Choose two.)
cache backup batteryonline replacementREADY LEDcontroller maintenance - Question #98Basic Configuration and Initialization
You are connecting a Hitachi Unified Storage system to a FC SAN. Which topology setting should you select?
FC SAN topologyPoint-to-Pointfabric connectionHUS FC configuration - Question #99Basic Configuration and Initialization
You are using the Change Volume Capacity function of Storage Navigator Modular 2 (SNM2) to manage a Hitachi Unified Storage (HUS) system. Hitachi Dynamic Provisioning is not used....
Change Volume CapacitySNM2LUN managementRAID Group capacity - Question #100Planning and Site Preparation
A customer wants to install an Emulex HBA in a Windows 2008 server for connection to a Hitachi Unified Storage system. Where would you determine the validity of this configuration?
HBA compatibilityHiFireconfiguration validationinteroperability matrix