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IBM C4090-456 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Troubleshooting and Maintenance | - Common system issues and resolution - Firmware and system updates |
| IBM XIV Storage System Architecture | - XIV system components and design principles - Grid architecture and scalability concepts |
| Data Protection and Replication | - Snapshot and copy services - Remote mirroring and replication concepts |
| Installation and Configuration | - Initial system setup and deployment - Storage provisioning and volume configuration |
| Monitoring and Performance | - System monitoring and alerts - Performance tuning and optimization |
| Administration and Management | - User and access management - GUI and CLI management tools |
IBM XIV Storage System Technical Solutions V4 Sample Questions:
1. On an XIV system, what factor must be considered when using snapshots?
A) 17 GB of hard capacity is immediately consumed at creation per snapshot
B) snapshots cannot be moved independently to another storage pool
C) snapshots must be unlocked before restore
D) restoring a snapshot invalidates all earlier snapshots
2. Compared to other IBM storage offerings, which of the following is unique functionality on an XIV system?
A) ability to take snapshots
B) reduced single points of failure
C) IP based replication
D) prevents hotspots
3. On XIV what factors are important to successfully implement asynchronous mirroring?
A) latency between the remote and local XIV, number of volumes must be less than 256
B) data change rate, number of volumes less than 256, required RPO
C) data change rate, available bandwidth and interval
D) each mirror must have the same RPO and sync interval within the same storage pool
4. What is the fastest way to see which volume is receiving the most IOPS on the XIV?
A) run XCLI command xcii volume_max_iops_list
B) opentheXIV GUI and checkthe volume view
C) openXIVTopinthedefaultview
D) open XIV GUI and select the first 12 volumes, and then next 12 and so on
5. A customer wishes to mirror volumes between two XIV systems across Ethernet. What is the simplest way to achieve this?
A) use the XIV system's SCSI ports
B) route InfiniBand across Ethernet
C) route Fibre Channel across IP
D) connect interlace modules using a crossover cable
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: C | Question # 5 Answer: A |





