HAT-420 Exam Questions
109 real HAT-420 exam questions with expert-verified answers and explanations. Page 1 of 3.
- Question #1
What is Hitachi Data System's recommended practice for zoning?
- Question #2
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...
- Question #3
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...
- Question #4
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.)
- Question #5
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...
- Question #6
You are implementing a Hitachi Unified Storage File Module cluster with a single SMU. How do you run the smu-config script?
- Question #7
What needs to be replaced in case of a local memory DIMM failure on a Hitachi Unified Storage controller?
- Question #8
You are upgrading a Hitachi Unified Storage (HUS) system with the File Module option. Which combination is required to support this upgrade?
- Question #9
A customer wants to migrate data between two Hitachi Unified Storage systems using TrueCopy. What are two requirements? (Choose two.)
- Question #10
What are three characteristics of the Hitachi Unified Storage systems active/active controller design? (Choose three.)
- Question #11
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...
- Question #12
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?
- Question #13
When implementing host access security for a LUN in a Hitachi Unified Storage system, to what is the host WWN applied?
- Question #14
What are two effects of persistent binding? (Choose two.)
- Question #15
Which two operations can be performed with the Web utility on a Hitachi Unified Storage system? (Choose two.)
- Question #16
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...
- Question #17
What are two ways to register a new Hitachi Unified Storage system with Storage Navigator Modular 2? (Choose two.)
- Question #18
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...
- Question #19
A customer will be implementing a Hitachi Unified Storage File Module two-node NAS cluster with one SMU. How many power connections are necessary?
- Question #20
How should the Hitachi Unified Storage systems dual power supplies be connected?
- Question #21
What is a key characteristic of the Modular Volume Migration feature on a Hitachi Unified Storage (HUS) system?
- Question #22
Which two statements relating to Storage Navigator Modular 2 (SNM2) are correct? (Choose two.)
- Question #23
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...
- Question #24
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?
- Question #25
Which three steps must be completed to enable secure access to LUs? (Choose three.)
- Question #26
Which three access protocols are supported on the Hitachi Unified Storage File Module? (Choose three.)
- Question #27
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...
- Question #28
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...
- Question #29
Which two expansion trays are supported on Hitachi Unified Storage (HUS) model 110? (Choose two.)
- Question #30
Which two resources should be reviewed before installation and maintenance operations? (Choose two.)
- Question #31
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?
- Question #32
Which command would you use to map an LU from a Hitachi Unified Storage system?
- Question #33
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...
- Question #34
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...
- Question #35
Which two statements relating to the online firmware upgrade are true for Hitachi Unified Storage systems? (Choose two.)
- Question #36
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...
- Question #37
What is the purpose of the System Assurance documentation?
- Question #38
Which technology is used on the back-end of the Hitachi Unified Storage systems?
- Question #39
Which two operations can be performed non-disruptively on Hitachi Universal Storage systems? (Choose two.)
- Question #40
An administrator wants to install Hitachi Dynamic Link Manager (HDLM) on a Solaris server. Which two are required before performing the installation? (Choose two.)
- Question #41
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.)
- Question #42
Which two Program Products reserve cache in a Hitachi Unified Storage system when they are installed, even if disabled? (Choose two.)
- Question #43
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...
- Question #44
Which two statements relating to LU configuration and management on the Hitachi Unified Storage systems are correct? (Choose two.)
- Question #45
What are two characteristics of the Modular Volume Migration feature? (Choose two.)
- Question #46
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...
- Question #47
After the removal of a failed disk drive on a Hitachi Unified Storage system, how long should you wait before inserting a new drive?
- Question #48
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?
- Question #49
When performing an initial installation of a Hitachi Unified Storage system, which management tool must be used to set the date and time?
- Question #50
Which statement regarding the Hitachi Unified Storage systems Web tool is correct?