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Exam : IBM 000-086
Title : System x High Performance Servers Technical Support V4


1. A small bio-technical company is interested in implementing a 32-node Linux cluster. They have developed their own software that allows all of the nodes to work on the same problem at the same time. The application requires messages to be passed between the nodes. Each node will require access to a shared storage pool of around 500GB. Which of the following questions will identify the inter-process communication (IPC) networking requirements
A. Is the network capable of using 4x or 12x Infiniband
B. Will remote shell (rsh) be enabled for remote process initiation
C. What are the data transfer requirements for inter-node message passing
D. What type of data is being sent across the inter-process communication network
Answer: C

2. A finance company wants a solution to consolidate their storage using the DS4000 series and implement a disaster recovery solution across two data centers linked by fibre to duplicate the production environment. The customer requires a solution with the least amount of system administration. Which configuration would provide the best solution?
A. Implement one DS4800 at each location connected to the fibre link and use Remote Volume Mirror (RVM).
B. Implement a DS4800 at each location using FlashCopy option and use host based replication to synchronize the sites.
C. Implement a switched fabric using redundant SAN switches with a DS4800 using RVM option at each location.
D. Implement a switched fabric using SAN switches connected via ISL with a DS4800 using RVM option at each location.
Answer: D

3. The Integrated Adaptec AIC-9410 serial attached SCSI (SAS) controller in the x3800, x3850, and x3950 supports which of the following RAID types?
A. RAID 0, RAID 1, and RAID 5
B. RAID 0, RAID IE and RAID 5EE
C. Integrated controller does not support RAID
D. RAID 0, RAID 1, RAID IE, RAID 5, RAID 5E, RAID 5EE, RAID 5EEE, and RAID 60
Answer: C

4. Which of the following is provided by attaching to a NAS storage system through redundant NICs?
A. High availability (with failover)
B. File sharing on the storage system
C. Greater number of LUNS available on the same storage system
D. Lower power consumption
Answer: A

5. A retail customer is experiencing a performance bottleneck. The server is performing sequential I/O requests with large block sizes of 64KB. Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck?
A. Seek Time
B. Drive RPM
C. Data Transfer Rate
D. Cache
Answer: B