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IBM C4090-456 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Installation and Configuration | 20% | - Initial setup and deployment
|
| Operations and Administration | 25% | - User and access management
|
| Data Protection and Replication | 15% | - Snapshot and backup features
|
| XIV Architecture and Concepts | 25% | - XIV system architecture overview
|
| Troubleshooting and Maintenance | 15% | - Problem determination
|
IBM XIV Storage System Technical Solutions V4 Sample Questions:
1. 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) SVC stretch clusterwith XIV and IBM FlashSystems (RamSan), plus enable EasyTier
D) Two XIV systems setup in asynchronous mirror with SSDs and VMware SRM
2. Which activity occurs after upgrading an XIV system from nine modules to ten modules?
A) the SAN fabric is re-zoned to include another two host ports
B) the default extent size is increased by 11.1% or 512K, whichever is smaller
C) pools are reconfigured to include an additional twelve disks, less the hot spares
D) the system redistributes all data across all drives
3. Which of the following external power inputs is available for full power redundancy of a six module XIV system?
A) six 20 amp, single-phase
B) four 20 amp, three-phase
C) four 30 amp, single-phase
D) two 30 amp, three-phase
4. What is the benefit of VMware VAAI functionality?
A) integrates VMware disasterrecoverywith XIV remote replication
B) extends XIV storage provisioning functions to VMware vOenter
C) allows offloading extended VMware operations to the XIV system
D) provides multipathing for VMware servers to XIV systems
5. A customer reports performance problems on an XIV Gen3 system. After further analysis of performance statistics, it appears that latency is high for reads but writes are acceptable. I/O size is generally small, with more writes than reads. Which option is likely to help the situation?
A) installSSDsintheXIVsystem
B) install ECoE adapters in the host
C) implementvolume striping on the host
D) enable IBM Easy Tier on the volumes
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: A |
