HAT-420 Exam Questions
109 real HAT-420 exam questions with expert-verified answers and explanations. Page 1 of 3.
- Question #1Basic Configuration and Initialization
What is Hitachi Data System's recommended practice for zoning?
SAN zoningsingle initiator zoningHBA zoningFC fabric - Question #2Basic Configuration and Initialization
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...
HDLMload balancingOLTP performancemultipathing algorithm - Question #3Verification and Testing
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 f...
ESX compatibilityLUN size limitVMware storage2TB barrier - Question #4Basic Configuration and Initialization
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.)
SNMP configurationHUS managementMIB registrationnetwork monitoring - Question #5Basic Configuration and Initialization
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 availab...
multipathingHDLMDevice Mapperactive/active connectivity - Question #6Basic Configuration and Initialization
You are implementing a Hitachi Unified Storage File Module cluster with a single SMU. How do you run the smu-config script?
SMU configurationFile Moduleserial console accessNAS cluster setup - Question #7Hardware Installation and Cabling
What needs to be replaced in case of a local memory DIMM failure on a Hitachi Unified Storage controller?
DIMM failurecontroller replacementhardware maintenanceHUS controller - Question #8Hardware Installation and Cabling
You are upgrading a Hitachi Unified Storage (HUS) system with the File Module option. Which combination is required to support this upgrade?
File Module upgradeFC connectivityBOS software bundleHUS upgrade requirements - Question #9Basic Configuration and Initialization
A customer wants to migrate data between two Hitachi Unified Storage systems using TrueCopy. What are two requirements? (Choose two.)
TrueCopydata migrationFC connectivityreplication prerequisites - Question #10Planning and Site Preparation
What are three characteristics of the Hitachi Unified Storage systems active/active controller design? (Choose three.)
active/active controllerworkload balancingnon-disruptive upgradeHUS architecture - Question #11Hardware Installation and Cabling
A customer has a Hitachi Unified Storage (HUS) system model 110 configured with iSCSI I/O interface boards. They now want to connect it to a FC-SAN and have purchased the FC-Option...
FC-Option upgradeiSCSI to FC migrationFC port topologyHUS expansion - Question #12Basic Configuration and Initialization
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?
queue depthSolaris hostI/O optimizationhost installation guide - Question #13Basic Configuration and Initialization
When implementing host access security for a LUN in a Hitachi Unified Storage system, to what is the host WWN applied?
host access securityWWNHost GroupLUN masking - Question #14Basic Configuration and Initialization
What are two effects of persistent binding? (Choose two.)
persistent bindingpath failovertarget assignmentserver boot - Question #15Basic Configuration and Initialization
Which two operations can be performed with the Web utility on a Hitachi Unified Storage system? (Choose two.)
Web utilitylicense keysmicrocode updateHUS management tools - Question #16Planning and Site Preparation
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 copi...
ShadowImageReplication Managerpoint-in-time copycentralized replication management - Question #17Basic Configuration and Initialization
What are two ways to register a new Hitachi Unified Storage system with Storage Navigator Modular 2? (Choose two.)
SNM2array registrationIP address discoverystorage management - Question #18Basic Configuration and Initialization
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...
queue depthAIX hostsLUN configurationI/O performance - Question #19Planning and Site Preparation
A customer will be implementing a Hitachi Unified Storage File Module two-node NAS cluster with one SMU. How many power connections are necessary?
File ModuleNAS clusterpower connectionsSMU sizing - Question #20Hardware Installation and Cabling
How should the Hitachi Unified Storage systems dual power supplies be connected?
dual power supplyPDUredundant powerhardware installation - Question #21Basic Configuration and Initialization
What is a key characteristic of the Modular Volume Migration feature on a Hitachi Unified Storage (HUS) system?
Modular Volume MigrationHUSvolume migrationRAID group - Question #22Basic Configuration and Initialization
Which two statements relating to Storage Navigator Modular 2 (SNM2) are correct? (Choose two.)
SNM2SNMP alertsout-of-band communicationCommand Devices - Question #23Basic Configuration and Initialization
A customer has multiple cache partitions defined on a Hitachi Unified Storage system. They would like to change one of the partitions characteristics. Which three settings can be m...
cache partitionsHUScache sizepartition configuration - Question #24Basic Configuration and Initialization
A Hitachi Unified Storage (HUS) system has been configured to use additional Host Groups. Which host interface type on the HUS can be used to access these Host Groups?
Host GroupsFChost interfaceHUS - Question #25Basic Configuration and Initialization
Which three steps must be completed to enable secure access to LUs? (Choose three.)
LU securityHost Group securityWWNhost access - Question #26Basic Configuration and Initialization
Which three access protocols are supported on the Hitachi Unified Storage File Module? (Choose three.)
File ModuleNFSCIFSaccess protocols - Question #27Verification and Testing
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 b...
HGLMHDLMSNMPpath error alerting - Question #28Planning and Site Preparation
A customer is planning to deploy the Hitachi Command Suite (HCS) in an existing production environment that includes several Hitachi Unified Storage (HUS) systems with the File Mod...
HCSSNM2cross-platform managementtool comparison - Question #29Hardware Installation and Cabling
Which two expansion trays are supported on Hitachi Unified Storage (HUS) model 110? (Choose two.)
HUS 110expansion traysSFF drivesLFF drives - Question #30Planning and Site Preparation
Which two resources should be reviewed before installation and maintenance operations? (Choose two.)
maintenance manualsECNspre-installation reviewdocumentation - Question #31Hardware Installation and Cabling
You need to replace the Controller Unit and the ENC Unit online on a Hitachi Unified Storage system. Which statement is correct about online replacement times?
Controller Unit replacementENC Unitonline replacementHUS maintenance - Question #32Basic Configuration and Initialization
Which command would you use to map an LU from a Hitachi Unified Storage system?
auhgmapLU mappingCLI commandsHUS - Question #33Verification and Testing
You plan to use Storage Navigator Modular 2 (SNM2) to perform a non-disruptive upgrade of the firmware on a Hitachi Unified Storage (HUS) system. What are two requirements for this...
firmware upgradeSNM2non-disruptive upgradeHUS requirements - Question #34Verification and Testing
A customer has received a Hitachi Dynamic Provisioning Early Alert warning by e-mail indicating that the default threshold has been reached on a Hitachi Unified Storage (HUS) syste...
Dynamic ProvisioningDP poolearly alertcapacity threshold - Question #35Verification and Testing
Which two statements relating to the online firmware upgrade are true for Hitachi Unified Storage systems? (Choose two.)
online firmware upgradeHUSmulti-pathSNM2 - Question #36Planning and Site Preparation
You must install Hitachi Dynamic Link Manager (HDLM) on a customer's server but you are not sure if the server HBA types and versions are supported. Which two actions would help yo...
HDLMHBA compatibilityrelease notesHiFire - Question #37Documentation and Handover
What is the purpose of the System Assurance documentation?
System Assurancepre-installation datadocumentationhandover - Question #38Hardware Installation and Cabling
Which technology is used on the back-end of the Hitachi Unified Storage systems?
HUS backendSAS6GbpsSerial Attached SCSI - Question #39Hardware Installation and Cabling
Which two operations can be performed non-disruptively on Hitachi Universal Storage systems? (Choose two.)
non-disruptive operationsDrive BoxHUS expansionI/O Module - Question #40Planning and Site Preparation
An administrator wants to install Hitachi Dynamic Link Manager (HDLM) on a Solaris server. Which two are required before performing the installation? (Choose two.)
HDLM installationSolarispre-installation requirementslicense - Question #41Basic Configuration and Initialization
What are two functions that can be done using the Storage Navigator Modular 2 Logical Unit wizard on a Hitachi Unified Storage system? (Choose two.)
LU creationRAID GroupStorage Navigator Modular 2Host Group Security - Question #42Basic Configuration and Initialization
Which two Program Products reserve cache in a Hitachi Unified Storage system when they are installed, even if disabled? (Choose two.)
TrueCopyShadowImagecache reservationProgram Products - Question #43Basic Configuration and Initialization
You want to add an account for a new storage administrator on a Hitachi Unified Storage system using Storage Navigator Modular 2. Which Account Authentication role must you have to...
account managementadministrator rolesStorage Navigator Modular 2RBAC - Question #44Basic Configuration and Initialization
Which two statements relating to LU configuration and management on the Hitachi Unified Storage systems are correct? (Choose two.)
LU managementRAID group deletionstorage configurationHUS - Question #45Basic Configuration and Initialization
What are two characteristics of the Modular Volume Migration feature? (Choose two.)
Volume MigrationLU migrationStorage Navigator Modular 2RAID Manager - Question #46Documentation and Handover
After opening a case with the Hitachi Data Systems technical support center, you have been asked to collect error information. How do you send the collected data to the technical s...
technical supporterror data uploadHDS support centertroubleshooting - Question #47Hardware Installation and Cabling
After the removal of a failed disk drive on a Hitachi Unified Storage system, how long should you wait before inserting a new drive?
disk replacementdrive removal wait timehardware maintenanceHUS - Question #48Hardware Installation and Cabling
A customer would like to deploy a clustered File Module option on their Hitachi Unified Storage system. What is a valid connection for the cluster interconnect?
File Modulecluster interconnect10Gb EthernetHUS - Question #49Basic Configuration and Initialization
When performing an initial installation of a Hitachi Unified Storage system, which management tool must be used to set the date and time?
initial installationdate and time configurationStorage Navigator Modular 2HUS - Question #50Basic Configuration and Initialization
Which statement regarding the Hitachi Unified Storage systems Web tool is correct?
Web toolsystem firmwareHUS managementSNM2