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IBM C4090-456 Exam Overview:
| Certification Vendor: | IBM |
| Exam Name: | IBM XIV Storage System Technical Solutions V4 |
| Exam Number: | 000-456 / C4090-456 |
| Exam Format: | Multiple choice, Multiple select |
| Passing Score: | 65% |
| Available Languages: | English |
| Real Exam Qty: | 60-70 |
| Exam Price: | $200 USD |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 2 years |
| Recommended Training: | IBM XIV Storage System Technical Training |
| Exam Registration: | Prometric Testing IBM Certification Registration |
| Sample Questions: | IBM C4090-456 Sample Questions |
| Exam Way: | Proctored onsite at Prometric test centers |
| Pre Condition: | No formal prerequisites recommended; storage experience helpful |
| Official Syllabus URL: | https://www.ibm.com/training/certification |
IBM C4090-456 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Performance and Troubleshooting | 12% | - Performance characteristics - Monitoring and optimization - Basic troubleshooting procedures |
| Topic 2: Provisioning and Management | 18% | - Capacity on Demand (CoD) - Storage pools and thin provisioning - Volume management and snapshots - GUI and XCLI administration |
| Topic 3: Data Protection and Replication | 15% | - Consistency groups and snapshots - Disaster recovery concepts - Synchronous and asynchronous mirroring |
| Topic 4: Installation and Planning | 21% | - Technical Delivery Assessment (TDA) - Capacity planning and configuration - Environmental and site requirements |
| Topic 5: Interoperability and Virtualization Integration | 17% | - SAN Volume Controller (SVC) integration - Multipathing and host connectivity - Microsoft VSS and Hyper-V support - VMware integration including VAAI |
| Topic 6: XIV Storage System Overview and Architecture | 17% | - Business value and competitive advantages - Grid-based architecture and design principles - System components and hardware models |
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) SVC stretch clusterwith XIV and IBM FlashSystems (RamSan), plus enable EasyTier
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) Two XIV systems setup in synchronous mirrorwith SSD5 and VMware SRM
2. Following a proof of concept, it has been determined that an eleven module XIV system containing 2 TB drives is the minimum configuration suitable for the workload, which consists primarily of random writes. The customer is concerned about the upfront costs so the sales representative has suggested a six module system with 3 TB drives, which would also provide ample capacity for the application.
Given the customer's concerns, which configuration should the technical specialist recommend to best meet the customer's requirements?
A) a nine module XIV with 2 TB drives and six CoD activations
B) a six module XIV with 3 TB drives and SSDs
C) an eleven module XIV with 3 TB drives and six CoD activations
D) an eleven module XIV with 2 TB drives and eight CoD activations
3. XIV Quality of Service limits I/O to which of the following?
A) hosts
B) storage pools
C) mirrored pairs
D) consistency groups
4. On an XIV system, how can a thin provisioned volume be changed to a regular provisioned volume?
A) in the XCLI, use the command pool_change_config on the pool containing the volume
B) in the XCLI, use the command vol_resize on the volume
C) in the GUI, right mouse click on the volume and move itto a regular pool
D) in the GUI, right mouse click on the volume and select"regular provision"
5. Which of the following external power inputs is available for full power redundancy of a six module XIV system?
A) two 30 amp, three-phase
B) six 20 amp, single-phase
C) four 30 amp, single-phase
D) four 20 amp, three-phase
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: A |
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