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免費HH0-440考古庫Demo賞析

　
　
Exam : Hitachi HH0-440
Title : Storage Architect – Performance & Virtualization

1. Which three actions will help to reduce the level of Write Pending data in cache during periods of intense random update processing? (Choose three.)
A.Switch to faster disk drives.
B.Migrate from RAID5 to RAID1.
C.Spread the load across more RAID Groups.
D.Spread the load across more ports.
E.Spread the load across more LUNs.
Answer: ABC

2. Which level of Write Pending is normal for a busy OLTP Universal Storage Platform (USP) system adequately managing the destaging of writes?
A.0% to 20%
B.20% to 30%
C.30% to 40%
D.40% to 50%
Answer: B

3. Which three actions provide a way of increasing the number of Tags available to a database volume in an enterprise storage system? (Choose three.)
A.Build the volume across multiple LUNs with host-based logical volume manager striping.
B.Construct the LUN using LUSE with LDEVS from different RAID Groups.
C.Use a VDEV LUN from a VDEV striping pool (LDEV concatenation).
D.Map the LUN across more host paths.
E.Increase the HBA LUN Queue Depth value.
Answer: ADE

4. Which VMware multi-pathing scheme should be used to avoid non-owning access with HDS modular storage systems with multiple VMware servers?
A.Most Recently Used (MRU)
B.Fixed
C.Round-Robin
D.Extended Round-Robin
Answer: B

5. Which three parameters will help to calculate a server’s maximum LUN queue depth to avoid the risk of SCSI timeouts? (Choose three.)
A.The number of active LUNs mapped to a storage port.
B.The number of active servers in the cluster accessing the active LUNs.
C.The number of command tags supported by the storage port.
D.The number of disk drives supporting the LUN configuration.
E.The total number of LUNs mapped to the storage port.
Answer: ABC

6. The performance of a response critical application generating a majority of 4 KB IOs has progressively deteriorated on a new modular storage system as unplanned development and general file serving workloads have been added. The system administrator is convinced that this is due to falling cache hit rates.
Which three actions will improve the cache hit rates of the response critical application? (Choose three.)
A.Place the response critical application in its own cache partition.
B.Upgrade the cache from 8 GB to 16 GB.
C.Reduce the application cache partition segment size from 16 KB to 8 KB.
D.Move the development and general file server workloads to another storage system.
E.Move the development and general file server workloads to lower performance tier RAID Groups.
Answer: ABC

7. In the Universal Storage Platform (USP) family, what is the maximum number of external ports that one external LDEV can be attached to?
A.2
B.4
C.8
D.16
Answer: C

8. Performance monitor data indicates that CHP utilization may be causing a bottleneck in a Universal Storage Platform (USP) series system during periods of intense processing.
Which two actions should be considered to increase IOPS during the bottleneck periods? (Choose two.)
A.Configure the paths using high-speed mode.
B.Spread the load across more CHP processors and paths.
C.Spread the load across more RAID Groups.
D.Spread the load across more LUNs.
Answer: AB

9. Which three metrics aid in calculating how long a block of data remains available in cache after its last access? (Choose three.)
A.IOPS rate into the cache partition or storage system
B.number of available cache segments
C.the cache hit rate
D.average response time
E.average LUN queue size
Answer: ABC

10. Click the Exhibit button.
Which three conditions are likely causes for the write pending rates illustrated in the exhibit? (Choose three.)
A.insufficient cache
B.loss of redundancy in write cache
C.heavy random writes to RAID5
D.heavy random writes to SATA drives
E.failure to distribute workload among sufficient array groups
Answer: CDE

11. Which three key metrics are needed for sizing industry standard applications? (Choose three.)
A.IO read/write ratios
B.port speed
C.IO rates and data transfer rates
D.cache read hit ratios
E.number of ACP/BED pairs
Answer: ACD

12. Solaris IOSTAT shows that response times are degrading for a number of LUNs and that these LUNs are 100% busy. The active queue values are in a range up to, but not exceeding 8, and the wait queue values are in the range from 0 to 5 when the active queue is 7 or 8.
Which condition is implied by these values?
A.These are normal values for busy LUNs with a LUN queue depth of 8.
B.There are no more Tags available on this storage port due to heavy IO load.
C.There are no more Tags available for these LUNs at the port due to heavy IO load.
D.The HBA LUN queue depth is set incorrectly.
Answer: A

13. Which two workloads gain a performance improvement by using Tagged Command Queuing? (Choose two.)
A.multi-user transaction database access
B.sequential, single-threaded scan
C.archival writes to tape drive
D.corporate mail and notes server
Answer: AD

14. Which Solaris MPXIO multi-pathing scheme should be used to avoid non-owning access with HDS modular storage systems?
A.load_balance_none
B.load_balance_rr
C.load_balance_lba
D.load_balance_fixed
Answer: A

15. Which three statements are true for Hitachi Global Link Availability Manager (HGLAM)? (Choose three.)
A.HGLAM manages multiple instances of Hitachi Dynamic Link Manager (HDLM).
B.HGLAM assigns load balancing algorithms only at the server level.
C.HGLAM can alert which server is impacted when a fabric switch goes down.
D.HGLAM reports IO rate at the HBA level.
E.HGLAM can report a USP cache failure.
Answer: ACD

16. Which three parameters indicate that LUN ownership access or changes may be causing a performance problem in an HDS modular storage system? (Choose three.)
A.The total cache queue drops below 100% for any 1 minute measurement period.
B.The cache free queue drops below 100% for any 1 minute measurement period.
C.IOPS are recorded to the same LUN from different controllers over several measurement periods.
D.The LUN C-CTL value does not match the D-CTL value.
E.The Cache Write Pending level is at a high threshold level.
Answer: ACD

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免費HH0-280考古庫Demo賞析

　
　
Exam : Hitachi HH0-280
Title : HDS Implemetation Specialist – Storage Management

1. A customer is currently using Hitachi Device Manager (HDvM) server with a NIC plugged into a public LAN. This server also has another NIC attached to a private LAN where the Enterprise and Modular storage systems under management are located. The server has currently IP forwarding enabled to route physical view launching by Web clients.
Which proposal will provide a more secure configuration and still allow physical view usage from Web clients on the public LAN?
A. Add a firewall between the HDvM server and the private LAN; disable IP forwarding.
B. Add a firewall between the HDvM server and the public LAN; disable IP forwarding.
C. Add a firewall between the private and public LANs; remove the private LAN connection from the HDvM server.
D. Add a firewall between the private and public LANs; remove the public LAN connection from the HDvM server.
Answer: D

2. Your 5 TB Hitachi Dynamic Provisioning (HDP) Pool contains one hundred 50 GB LDEVs and is running out of space.
Which two statements are correct? (Choose two.)
A. You create a new Pool and concatenate it with the existing Pool.
B. You create new LDEVs out of free space which are used as HDP Pool Volumes to expand your HDP Pool.
C. You install a new RAID group and create HDP Pool Volumes in this RAID group and add these to your HDP Pool.
D. You create a new Pool which meets the space requirements and you migrate the Virtual Volumes into this newly created Pool.
Answer: BC

3. A customer wants to use Hitachi Dynamic Provisioning (HDP) on a USP V.
Which two statements are true regarding the mapping of Dynamic Provisioning (DP)-Volumes to the application? (Choose two.)
A. Any LDEV can be used as a DP-Pool Volume.
B. Any type of RAID group is available for DP-Pool Volumes.
C. The size of a DP-Pool is limited by the size of the DP-Pool LDEVs (max 1 TB).
D. The size of a DP-Pool is limited by the number of the DP-Pool LDEVs (max 256).
Answer: BD

4. You support a customer that will be implementing a Hitachi Device Manager (HDvM) solution. They plan on using HDvM to manage several USP600s and Adaptable Modular Storage (AMS) systems.
Which statement is correct to manage the AMS systems with HDvM?
A. Storage Navigator is required to use the Physical View.
B. Mapping Guard is required to set up security for the LUNs.
C. Storage Navigator Modular Link and Launch must be set up.
D. Disklock is required to use a lock system for devices accessed from HDvM.
Answer: C

5. A customer is deploying a new USP V into the data center across various servers and operating systems. During the planning stage you identify Hitachi Dynamic Link Manager (HDLM) 5.8 as the preferred path management software on the AIX servers.
Which three must you include in a prerequisite check list for the deployment? (Choose three.)
A. Check that Hitachi Device Manager (HDvM) agent is not installed.
B. Include additional planning for any Virtual I/O (VIO) servers.
C. Check that the Object Data Manager (ODM) update is installed.
D. Check that Hitachi Device Manager (HDvM) is compatible with HDLM.
E. Check the operating system levels and fix packs against the release notes.
Answer: BCE

6. In a new installation of Hitachi Storage Services Manager (HSSM) which command is used to install the Oracle Patch?
A. "orapatch.sql"
B. "orapatch.exe"
C. "installPatch.cmd"
D. "patchupgrade -P -O d:"
Answer: C

7. A customer has Hitachi USP V, Hitachi AMS, EMC DMX, and HP EVA storage systems attached to twenty Windows servers and ten Solaris servers.
In this scenario, which two Hitachi Dynamic Link Manager (HDLM) configurations are supported? (Choose two.)
A. HDLM for UNIX for all storage systems
B. HDLM for Windows for all storage systems
C. HDLM for UNIX for Hitachi storage systems only
D. HDLM for Windows for Hitachi storage systems only
Answer: BC

8. A Hitachi Storage Services Manager (HSSM) customer has switches, hosts, and storage. They want to reduce their Get all Element Details (GAED) times.
Which recommendation should you make?
A. Use segmented replication.
B. Put everything in one discovery group.
C. Use the GAED wizard to reduce the time of each element.
D. Increase the memory of the server to reflect the number of discovery groups.
Answer: A

9. In Hitachi Storage Services Manager (HSSM), which two steps are required when discovering a host? (Choose two.)
A. Provide the administrator password.
B. Provide the IP address of the host to be discovered.
C. Install the appropriate CIM extension on the server you want to manage.
D. Click the Set Default User name and Password link and provide up to three user names and passwords.
Answer: BC

10. Your customer currently has Hitachi Dynamic Link Manager (HDLM) version 4.7 running on ten of their production servers. They want to simplify the management of running those HDLM instances.
What are two prerequisites for the hosts that are running HDLM to be managed by Hitachi Global Link Availability Manager (HGLAM)? (Choose two.)
A. Upgrade the HDLM instances to version 5.7 or higher.
B. Install Provisioning Manager agent 3.5 or later on the hosts running HDLM 4.7.
C. Install Hitachi Device Manager agent 3.5 or later on the hosts running HDLM 4.7.
D. Install Hitachi Device Manager agent 3.5 or higher after the upgrade to HDLM 5.2.
Answer: AD

11. A customer has an IBM storage array and is planning to use it as External Storage on the USP V to migrate an application LUN from external to internal.
Would this migration be disruptive for the application?
A. No, because the customer is using Tiered Storage Manager.
B. No, because the customer has a ShadowImage copy of the LUN.
C. Yes, because the server has to perform a reboot to see the LUN.
D. Yes, because the application must reconfigure the LUN presented by the USP V.
Answer: D

12. A customer has five hosts available to install the Hitachi Device Manager (HDvM) server; a Solaris server with 512 MB of RAM; a Linux server with 1 GB of RAM; a AIX server with 4 GB RAM; and an active/passive Windows cluster running Hitachi Storage Services Manager (HSSM) (each node has 4 GB RAM).
On which server can HDvM be installed?
A. AIX
B. Linux
C. Solaris
D. Windows
Answer: B

13. You are installing Hitachi Device Manager for Windows on a network where resources that are to be managed by the management server are inside a firewall.
What is required for these objects to communicate with the management server?
A. Use the setup utility to add ports to the firewall exceptions list.
B. Configure the firewall to allow these objects to communicate through each port with the management server.
C. Configure the firewall to allow these objects to communicate through each port with the management server. Use the setup utility to add ports to the firewall exceptions list.
D. Add the IP addresses of the managed host to the jpchostfile and to the jpchostfile of the Device Manager Server. Use the setup utility to add ports to the firewall exceptions list.
Answer: B

14. Which two operating systems running on the Hitachi Dynamic Link Manager (HDLM) hosts are supported by Hitachi Global Link Availability Manager (HGLAM)? (Choose two.)
A. IBM AIX 5.3
B. IBM z/OS 1.6
C. Sun Solaris 8
D. Windows NT 4.0
Answer: AC

15. You have a customer that is running Hitachi Device Manager (HDvM) to manage their 9900Vs, USPs, and Adaptable Modular Storage (AMS) systems. Your customer wants to change the port number used by all of the AMS systems for TCP/IP communications.
Which two statements are correct? (Choose two.)
A. The port number for the AMS systems cannot be changed.
B. You must use Storage Navigator Modular to change the port setting in the AMS system.
C. You set the new port number in the Services file for the machine where HDvM server is installed.
D. You set the new port number in the Server.Properties file for the machine where HDvM is installed.
Answer: BC

16. Your customer is using Hitachi Device Manager (HDvM) to manage their storage systems. They also want to provision storage with Hitachi Provisioning Manager.
To allow provisioning of storage, which two tasks must be performed? (Choose two.)
A. Install HDvM agent.
B. Install Provisioning Manager.
C. Install CIM agent extensions.
D. First allocate the host to a Resource group.
Answer: AB

免費下載HH0-280考古庫Demo

Pass4Side提供最新的Hitachi Data Systems認證 HH0-280考古庫，其全名為：(HDS Implemetation Specialist – Storage Management). 在您決定是否購買之前 可以先下載HH0-280考古庫的部分演示. Pass4side是全球唯一提供所有IT認證考試考古庫demo免費下載的廠商 ，以下為免費HH0-280模擬測試題的下載鏈接

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