HH0-120 - Hitachi Data Systems Storage Foundations - Modular Exam
Go back to Hitachi
ShadowImage can be used to copy LUNs when they are assigned to which host interface type(s)?
FC, NAS, and iSCSI
A customer who has purchased an AMS2500 storage system is looking for a multipathing software solution for heterogeneous platforms. Which three features does Hitachi Dynamic Link Manager provide the customer with? (Choose three.)
path health check
automatic path failover
round robin balancing algorithm
A customer uses Copy-on-Write Snapshot to create a point-in-time copy (V-Vol) of their data for backup. When is the customer able to mount the V-Vol?
immediately after the pair is split
Which two features of Hitachi Copy-on-Write Snapshot enable the rapid creation of a data copy? (Choose two.)
A customer is reviewing mid-tier arrays to support a dual infrastructure environment; MS Exchange and backup to disk. Write I/O from the backup to disk fills up cache because it is writing to slower SATA drives. Which AMS500 feature isolates the MS Exchange application from the effects of backup to disk I/O?
Cache Partition Manager
What are two reasons why a customer would want to use Host Groups on an AMS2100? (Choose two.)
To allow hosts access to their LUNs
To prevent hosts writing disk signatures on LUNs which do not belong to them
A customer has a WMS100 array to support an archiving solution. Archiving solutions are batch processes that have low performance requirements. Which configuration alternative is supported on the WMS100?
One or two controllers
A customer is using Copy-on-Write Snapshot to store multiple copies of a P-Vol. After the last snapshot, the data on the P-Vol is extensively modified. What happens if the Data Pool becomes full?
All snapshots are invalidated.
A customer wants to provide OLTP database and large file NAS services on a single AMS2300 system. How can the AMS2300 features be used to help the customer achieve this objective?
Cache Partitioning can be used to tailor cache segment sizes to match application requirements.
A customer has an AMS2100 connected to a host which has two paths to CTL0 and two paths to CTL1. The customer has installed Hitachi Dynamic Link manager and load balancing is enabled. With all systems working correctly , over how many paths will I/O to an LU be Load-balanced?
over all four paths
Which statement defines the "damping" function with respect to triggering alerts in HiCommand Tuning Manager for performance monitoring and notification?
It allows you to specify the number of times a threshold must be reached before triggering analert.
A customer uses Copy-on-Write Snapshot to create a point-in-time copy (V-VOL) of their data for backup. When can the snapshot be used to backup the production data?
Which two features of the AMS2000 controllers eliminate the need for additional load balancing software required for VMware environments? (Choose two.)
controller load balancing
Symmetric Active-Active architecture
What are two performance reasons why you would recommend choosing an AMS2500 over an AMS2300 system? (Choose two.)
16 FC ports for maximum throughput
a dual-core processor on each controller for maximum IOPs
Which two statements are true about the AMS1000? (Choose two.)
The AMS1000 concurrently supports NAS and iSCSI.
The AMS1000 concurrently supports Fibre Channel and iSCSI.
A storage administrator wants to use True Copy to replicate volumes between an AMS2100 and an AMS2300. Hom many S-Vol copies can be made from a single P-Vol?
What are two reasons why a customer would want to use Host Groups on an AMS2100? (Choose two)
A customer wants to create a no-single-point-of-failure SAN using the HDS AMS200 as inexpensively as possible. Which AMS200 configuration satisfies their needs?
Which two features of Hitachi Copy-on-Write Snapshot enable the rapid creation of a data copy? (Choose two)
A customer requires a new modular storage array which will use parity for data protection. When a drive fails in a RAID 5 group, the remaining disks are each a single point of failure. A requirement is that the vendor must minimize the amount of time the array is in a single point of failure state following a disk failure. Which two features of the AMS500 support the requirement? (Choose two.)
A customer wishes to minimize disruptions due to planned or unplanned outages. Which two features of Hitachi Copy-on-Write Snapshot facilitate these requirements? (Choose two)
When using TrueCopy asychronously, what is the primary function of consistency groups?
Guarantees the updated data sequence of the volume pairs in the group.
Which two benefits are provided by HDD Roaming in the Adaptable Modular Storage family? (Choose two.)
Enables no-copy-back dynamic sparing.
Ability to specify RAID Group drives regardless of location.
Which two actions can be performed with Copy-on-Write Snapshot on AMS2000 systems? (Choose two)
What are two values that HiCommand Device Manager software provides about storage management? (Choose two.)
Storage provisioning across multiple operating systems
A single point to manage multiple storage systems over multiple HDS platforms
What is an advantage of TrueCopy Synchronous operation?
What are two conditions for migrating data using Hitachi Tiered Storage Manager? (Choose two)
During a customer install of an AMS subsystem the controller ports do not log into the SAN fabric. The port indication light on the SAN switch indicates a port login failure. Using the Storage Navigator Modular GUI you need to configure the AMS Fibre Channel controller to work with their SAN fabric. Which topology would you select in Storage Navigator that would allow you to connect to their SAN switch?
Which two statements accurately describe Modular Volume Migration? (Choose two.)
The internal LU RAID Groups between the source and target volumes are exchanged.
The data on the target volume will be overwritten.
A customer has a storage array that supports a large MS Exchange environment. The array is bottlenecked at the array host ports. The customer has a requirement for a new modular array that will solve this problem. Which AMS500 feature will support the requirements of this requirement?
4 Gb/s host FC ports
A customer is evaluating AMS storage arrays to provide storage for a high performance database that must be available 24x7. Which HDS supported configuration meets their needs?
AMS2300 with SAS drives
What is the primary function of TrueCopy Extended Distance software in business continuity?
To create remote copies of volumes between systems in asynchronous mode
After a performance analysis a customer decides to move LUNs from RAID Group 0 to RAID Group 10. Which two statements regarding Modular Volume Migration are true? (Choose two.)
The migration can be performed using RAID Manager/CCI.
A SATA LU can be secondary to a SAS LU.
A customer requires a new modular storage array which will use parity for data protection. A requirement is that the vendor must minimize the amount of time the array is in single point-of-failure state following a disk failure. Which two features of the AMS2300 support the requirement? (Choose two)
Which three methods are available for creating a RAID Group using Storage Navigator Modular 2? (Choose three.)
Use the manual roaming selection method.
Use the manual sequential selection method.
Use the automatic sequential selection method.
For the WMS/AMS product families, if the replacement HDD is of a larger capacity and of a different RPM than the failing HDD, how does the system respond?
The system executes a data copyback after the failed drive is replaced.
What is required when implementing a TrueCopy Extended Distance replication solution?
Data Pools must be configured for the primary site only
IT centers that have Microsoft Windows production systems that must operate in a highly available 24 x 7 environment require business continuity support. Which HDS solution provides support for this need with MS Windows plug-and-play?
Dynamic Link Manager
HDS Adaptable Modular Storage models (AMS200 and AMS500) provide efficient cost-effective storage for medium and small businesses. Which three attributes characterize the AMS product line? (Choose three.)
Ease of management
Which two additional license based features can be enabled on an AMS storage subsystem using the Storage Navigator Modular GUI? (Choose two.)
Hitachi Data Retention Utility
TrueCopy software can be used in combination with some other replication products. Which three configurations are valid? (Choose three.)
The P-VOL of a ShadowImage pair can also be the P-VOL of a TrueCopy.
The S-VOL of a ShadowImage pair can also be the P-VOL of a TrueCopy.
The P-VOL of a ShadowImage pair can also be the S-VOL of a TrueCopy.
An AMS2300 customer is concerned about protecting their mission critical data from unauthorized access. What would they gain from enabling Host Group Security?
It would allow multiple host groups to be assigned to one port, where access to the data is determined by the WWPN.
A customer is using Storage Navigator Modular to setup RAID Groups on a new AMS2100. Which three RAID levels are supported? (Choose three.)
Which two methods are available for creating a RAID Group using Storage Navigator Modular 2? (Choose two.)
A customer wishes to purchase a global solution that will respond to their data protection, archival and restore needs. They seek an alternative solution to an Hitachi Content Archival Platform (HCAP) proposal. Which solution would you choose?
Hitachi Data Protection Suite
Which two transport methods are used by HiTrack Monitor to report errors? (Choose two)
You set a warning threshold to take pre-emptive action when a critical resource approaches an unacceptable capacity level. What are two examples of critical resources that could affect application performance? (Choose two.)
The performance of a disk parity group
Available free space in a critical file system or database
A customer requires a new modular storage array which will use parity for data protection. A requirement is that the vendor must minimize the amount of time the array is in a single point-of- failure state following a disk failure. Which two features of the AMS2300 support the requirement? (Choose two.)
What are two advantages of TrueCopy Extended Distance replication? (Choose two.)
Less impact from network latency
Lesser impact on host performance
A modular storage array is connected to a TagmaStore USP system. Internal volumes that contain data that are not critical to the business will be migrated from the USP to the modular array in order to save money. The application using the data should not have any disruption during or after the volume migration. What happens to the source volume's LDEV number after the volume has been migrated?
The source volume's LDEV number is swapped with the target volume