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IBM C4090-456 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Installation and Configuration | - Host connectivity and storage provisioning - Initial system setup and deployment |
| Topic 2: Data Protection and High Availability | - Snapshot and replication concepts - Failure handling and redundancy mechanisms |
| Topic 3: Troubleshooting and Maintenance | - Firmware updates and system maintenance procedures - Common system issues and diagnostics |
| Topic 4: IBM XIV Storage System Architecture | - Grid architecture and data distribution concepts - XIV system components and design principles |
| Topic 5: Administration and Management | - Storage pool and volume management - Monitoring and performance management |
IBM XIV Storage System Technical Solutions V4 Sample Questions:
During data migration from a legacy storage system to the XIV system, there are eight hosts accessing eight separate volumes.
What is the maximum number of volume migrations allowed in the background while the eight hosts are actively running?
- A. 1per defined target
- B. 8perdefinedtarget
- C. 2perdefinedtarget
- D. 4perdefinedtarget
Correct Answer: A 🗳️
A customer complains that their SAP database now performs worse than it did before being migrated from traditional RAID storage to XIV. The database was configured using 20 x 200GB XIV LUNs presented to an AIX 6 host OS where they are concatenated and striped into six volumes for the databases and logs. No changes have been made in the transition to XIV.
What if anything can be done to improve performance?
- A. the SAP volumes should be put into a QoS Performance Class
- B. add Fibre Channel adapters to the host and balance volumes across the adapters
- C. the databases should be reorganized into larger volumes on the XIV and not striped within the OS
- D. implement static load balancing and increase the queue depth of the host adapters
Correct Answer: C 🗳️
What is the online tool that should be checked for supported host interoperability?
- A. IT Security
- B. 3310
- C. 1331 B 331
Correct Answer: A 🗳️
A customer has requested a highly available solution with fully concurrent fail over for a VMware farm of hosts. The customer also has Oracle databases that demand very low latency (0.5 ms and lower). What would be the best solution for this environment?
- A. Two XIV systems setup in synchronous mirrorwith SSD5 and VMware SRM
- B. SVC with XIV and IBM FlashSystems (RamSan), plus enable Easy Tier
- C. Two XIV systems setup in asynchronous mirror with SSDs and VMware SRM
- D. SVC stretch clusterwith XIV and IBM FlashSystems (RamSan), plus enable EasyTier
Correct Answer: D 🗳️
For optimum redundancy, how many paths between the host and a 15 module XIV should be configured for each LUN?
- A. 6 paths
- B. 2 paths
- C. 12 paths
- D. 4 paths
Correct Answer: A 🗳️
