You are architecting a Hitachi NAS Platform 4000 solution for a new customer, and they ask about initial
storage pool creation and future expansions.
What are two HDS best practices? (Choose two.)
A. Four SDs are recommended in a new storage pool.
B. Two SDs are recommended in a new storage pool.
C. If an initial storage pool was created with 2 SDs, the expansion would be 4 SDs.
D. If an initial storage pool was created with 4 SDs, the expansion would be 4 SDs.
A customer wants to implement a Hitachi NAS Platform 4000 in a 10 GbE network environment with some
1 GbE clients and they are asking about potential performance limiting factors in their network.
Which two factors must be taken into consideration? (Choose two.)
A. the use of a Network File System
B. the use of flow control
C. the number of modules (blades) in a switch
D. the number of network hops
A customer would like to implement an OLTP application using their Hitachi NAS Platform 4000. The Hitachi NAS Platform is connected to a Hitachi HUS 150 with SAS drives running firmware 0935/A or later. They want to achieve maximum performance. Considering the queue depth limitations on the Hitachi NAS Platform and Hitachi HUS 100 systems, what is the maximum number of active LUNs that should be assigned on each HUS target port?
A. 16
B. 32
C. 64
D. 128
A customer has configured two LAGs on their Hitachi NAS Platform 3090 cluster. EVS A uses ag1 and
EVS B uses ag2.
What will cause EVS A to failover?
A. The SMU quorum service is stopped,
B. All the EVSB file systems go offline.
C. All the GbE ports go offline from ag1.
D. The cluster interconnect goes offline.
Your customer wants to maintain clustering failover capabilities during an SMU software upgrade procedure What should you do?
A. Put the cluster into "maintenance mode" while the SMU is upgraded.
B. Before upgrading the SMU, move the quorum to another SMU.
C. First upgrade the nodes one at a time followed by the SMU.
D. Put the SMU into "maintenance mode" while the SMU is upgraded.
Which two statements are correct about Tiered File Systems (TFS)? (Choose two.)
A. Snapshot data is preserved in both tiers 0 and 1.
B. Only SSD and SAS storage can be used for tier 0.
C. TFS should only be used with WFS-2.
D. A maximum of three tiers are supported using WFS-2
A customer has purchased a Hitachi NAS Platform solution and wants to consolidate databases from 25
SQL servers and 15 Oracle servers onto the Hitachi NAS Platform. I/O size is expected to be relatively
large.
Which two should be used to achieve optimal performance? (Choose two.)
A. 4 KB block size file system
B. 32 KB block size file system
C. WORM file system
D. jumbo frames
The administrator of a Hitachi NAS Platform 4000 has to integrate their NAS into their backup system
using NDMP.
What must be done on the Hitachi NAS Platform?
A. Set NDMP version to 5.
B. Define the file systems to be backed-up.
C. Set the NDMP username and password,
D. Run the ndmp-enhanced-stats CLI command.
A customer is running Web messaging related applications using a Hitachi NAS Platform 4000. They are
worried about data inconsistencies and would like to know how a WFS-2 file system can benefit their
current environment.
Which two functions will provide an additional layer of data protection? (Choose two.)
A. Use multiple checkpoints.
B. Perform a quick rollback to a previous successful snapshot.
C. Perform data recovery from the deleted file system.
D. Execute the "consistency-check" command.
As part of a Hitachi NAS Platform design process a customer informs you of two business requirements. First, they need to have network redundancy by using two separate switches. Second, they require the ability to access multiple subnets on the same interface. Which two protocols will they need to implement on the NAS? (Choose two.)
A. VLAN Tagging (802.1Q)
B. Router Information Protocol (RIP)
C. Hot Standby Router Protocol (HSRP)
D. Link Aggregation Control Protocol (LACP 802.3ad)