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IBM C4090-453 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting and Support | 10% | - Monitoring and problem determination - IBM support resources and documentation |
| Advanced Functions and Copy Services | 30% | - z/OS specific functions: PAV, zHPF, Hyperswap - Easy Tier, thin provisioning, encryption - FlashCopy, Metro Mirror, Global Mirror - Integration with VMware, GDPS, PowerHA |
| Planning and Sizing | 25% | - Sizing tools: Disk Magic, Capacity Magic - Requirements analysis and solution design - TDA process and interoperability validation - RAID types and drive selection |
| Architecture and Overview | 20% | - DS8000 hardware components and architecture - Supported environments: Open Systems and System z - Storage hierarchy and cache management - RAS features and reliability |
| Configuration and Management | 15% | - DS Storage Manager GUI and DS CLI - Migration strategies and upgrades - License models and feature activation |
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
1. The customer's data center has an elevator with a maximum load capacity' of 2200 lb (1000 kg). A Disk Magic study has proved that the performance requirements of the workload are at Enterprise class levels.
What should be recommended?
A) Configure the feature code on DS8800 which allows a shipping weight reduction.
B) Order a DS8800 with minimal disks and then MES upgrade with additional capacity' to the customer's requirements.
C) A standard D68800. The Customer Engineer can then remove parts until the elevator load capacity' is not exceeded.
D) Redesign the solution to use modular systems, like IBM Storwize V7000, which could be delivered in lighter shipments.
2. What is the purpose of the Power Line Disturbance feature in a D38000?
A) It removes the need for an external generator in case of power failure
B) It is required to retain data on SSDs in the event of a power failure
C) It increases the time before the DS8000 automatically shuts down in the event of a power failure
D) It keeps the disks spinning for up to one hour when there is a power failure
3. The customer requires a point-in-time copy solution on a DS8000. Which of the following statements is true?
A) The source and target volumes must be on drives with the same capacity and speed.
B) The source and target volumes must be on different drivesets.
C) The source and target volumes must be on different drivesets only if a background copy is being used.
D) The source and target volumes are totally independent and can be on any drives.
4. What z/OS solution supported by the D68000 is designed to provide continuous availability in cases of disk subsystem failure?
A) HyperSwap
B) HyperPAV
C) zHPE
D) MIDAW
5. A customer wants to collect performance data from a newly installed IBM System Storage DSS700 to determine if the system meets expected benchmarks using their application test data.
Which tool best gathers the performance data?
A) Tivoli Storage Productivity Center V5.1
B) Tivoli Storage Resource Manager
C) IBM DS Storage Manager
D) Tivoli Storage Productivity Center for Data
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: A |






