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Hitachi HH0-005 Exam -

Free HH0-005 Sample Questions:

1. A customer has an AMS500 consisting of:
Unit 00: RKM with six 300GB FC HDDs in position 00 to 05.
Unit 01: RKAJAT with five 250GB SATA HDDs in position 00 to 04 and four 400GB SATA HDDs in position 05 to 08.
Unit 02: same as Unit 01.
You now want to create a R5(7+1) SATA RAID Group.
What happens if you choose the Automatic selection button in the RAID Group creation dialog and your parity group value is 1?
A.You cannot define a SATA RAID Group before the definition of a spare disk.
B.The RAID Group will be created using Unit 01 HDDs 00 to 04 and Unit 02 HDDs 00 to 02.
C.The dialog will end with an error because (7+1) is not an appropriate size for a SATA RAID Group.
D.The Automatic creation dialog will choose SATA HDDs in sequential order, which is Unit 01 HDDs 00 to 07.
Answer: B

2. An AMS200 has the optional FC host interface feature installed.
Which two statements correctly describe the FC port configuration supported by this storage subsystem? (Choose two.)
A.Maximum one FC interface port per controller
B.Maximum two FC interface ports per controller
C.Maximum three FC interface ports per controller
D.Maximum four FC interface ports per system
Answer: BD

3. Which combination of features and parameters can be configured with the AMS/WMS Cache Partition Manager?
A.Partitioning of the Cache, Cache partition segment size, HDD stripe size, Read-data mirroring on/off
B.Partitioning of the Cache, Cache partition stripe size, HDD segment size, Write-data mirroring on/off
C.Partitioning of the Cache, Cache partition segment size, HDD stripe size, Write-data mirroring on/off
D.Partitioning of the Cache, Cache partition segment size, HDD stripe size, Cache destage algorithm
Answer: C

4. Which statement regarding Cache Partition Manager is correct?
A.It allows upgrading the controller Cache online.
B.It allows switching on/off Read after Write for SATA drives.
C.It is used to set boundaries between Read and Write Cache.
D.It allows separating slow LUNs from fast LUNs in the Cache.
Answer: D

5. A customer using an AMS500 with mixed FC and SATA drives wants to take advantage of the HDD Roaming feature. You have started to define a RAID Group R5(4+1) with a FC disk in unit 0 position 0. Which three valid options can you now consider? (Choose three.)
A.Spread the R5(4+1) group over several RKAJs.
B.Extend the defined R5(4+1) group into a (5+1) group on the fly.
C.Assign four FC disks and one SATA disk to the R5(4+1) group.
D.Choose any other position in the subsystem for defining a FC spare disk.
E.Add any other FC disk of any size and speed to the RAID Group starting at 0,0.
Answer: ADE

6. Which three restrictions related to the controller front-end architecture apply to the WMS100 and AMS200 series? (Choose three.)
A.The transfer rate for both mini-hub connectors must be set to the same speed.
B.Both connectors on the same mini-hub must be connected to the same Fabric.
C.The microcode disables the second mini-hub connector in case of Fabric connection.
D.Both connectors on the same mini-hub must be connected through a Fabric to different hosts.
E.The LUN management functions must be used to share the original port by 2 hosts through the same mini-hub.
Answer: ACE

7. Which statement correctly describes the difference between AMS200 and AMS500 back-end loop architectures?
A.The AMS200 has two independent back-end loops.
B.The AMS200 has only one logical loop per controller that is shared by all HDDs.
C.In the AMS200 the same ALPA can occur on the two different physical loops on the same controller.
D.The AMS200 uses two different World-Wide-Names (WWNs) for connectors #0 and #1 on each controller.
Answer: B

8. An AMS500 connected to a host running Hitachi Dynamic Link Manager (HDLM) software has the Data Share Mode set to on. The host is using multi-path to access the same single LUN through the four front-end FC ports of the AMS500.
Which two statements are true? (Choose two.)
A.Host I/Os switch to non-owner path if all owner paths are down.
B.Host I/Os go through all the four FC ports of the AMS500 at same time.
C.By default, Host I/Os only go through the owner path via owner controller FC ports.
D.Host I/Os do not need switching paths with Data Share Mode on when all owner paths are down.
Answer: AC

9. Which two statements relating to the concept of LUN ownership and its implication on configuration best practices in HDLM and non-HDLM environments are correct? (Choose two.)
A.HDLM can only fail-over to the other controller.
B.HDLM can automatically fail-back to the original path.
C.When one LUN switches ownership, all other LUNs on the same controller follow.
D.When a LUN is no longer accessed via the owning controller, but via the non-owning controller, it will change ownership after sixty seconds.
Answer: BD

10. Which two statements relating to AMS/WMS microcode upgrade are correct? (Choose two.)
A.The AMS/WMS microcode is by default located on the System Area of the first five hard disk drives.
B.The AMS/WMS hard disk drive Roaming feature allows for the microcode to be stored onto the User Area of any hard disk.
C.It is possible to perform an online microcode upgrade using the Web Tool when the Host application runs HDLM multi-path support.
D.It is possible to perform an online microcode upgrade using Storage Navigator Modular when the Host application runs HDLM multi-path support via both controllers.
Answer: AD

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