HAT-420 Exam Questions

What is Hitachi Data System's recommended practice for zoning?

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...

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...

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 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...

You are implementing a Hitachi Unified Storage File Module cluster with a single SMU. How do you run the smu-config script?

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

You are upgrading a Hitachi Unified Storage (HUS) system with the File Module option. Which combination is required to support this upgrade?

A customer wants to migrate data between two Hitachi Unified Storage systems using TrueCopy. What are two requirements? (Choose two.)

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

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...

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?

When implementing host access security for a LUN in a Hitachi Unified Storage system, to what is the host WWN applied?

What are two effects of persistent binding? (Choose two.)

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

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...

What are two ways to register a new Hitachi Unified Storage system with Storage Navigator Modular 2? (Choose two.)

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...

A customer will be implementing a Hitachi Unified Storage File Module two-node NAS cluster with one SMU. How many power connections are necessary?

How should the Hitachi Unified Storage systems dual power supplies be connected?

What is a key characteristic of the Modular Volume Migration feature on a Hitachi Unified Storage (HUS) system?

Which two statements relating to Storage Navigator Modular 2 (SNM2) are correct? (Choose two.)

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...

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?

Which three steps must be completed to enable secure access to LUs? (Choose three.)

Which three access protocols are supported on the Hitachi Unified Storage File Module? (Choose three.)

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...

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...

Which two expansion trays are supported on Hitachi Unified Storage (HUS) model 110? (Choose two.)

Which two resources should be reviewed before installation and maintenance operations? (Choose two.)

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?

Which command would you use to map an LU from a Hitachi Unified Storage system?

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...

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...

Which two statements relating to the online firmware upgrade are true for Hitachi Unified Storage systems? (Choose two.)

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...

What is the purpose of the System Assurance documentation?

Which technology is used on the back-end of the Hitachi Unified Storage systems?

Which two operations can be performed non-disruptively on Hitachi Universal Storage systems? (Choose two.)

An administrator wants to install Hitachi Dynamic Link Manager (HDLM) on a Solaris server. Which two are required before performing the installation? (Choose two.)

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.)

Which two Program Products reserve cache in a Hitachi Unified Storage system when they are installed, even if disabled? (Choose two.)

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...

Which two statements relating to LU configuration and management on the Hitachi Unified Storage systems are correct? (Choose two.)

What are two characteristics of the Modular Volume Migration feature? (Choose two.)

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...

After the removal of a failed disk drive on a Hitachi Unified Storage system, how long should you wait before inserting a new drive?

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?

When performing an initial installation of a Hitachi Unified Storage system, which management tool must be used to set the date and time?

Which statement regarding the Hitachi Unified Storage systems Web tool is correct?