IBM C4090-456 Questions & Answers - in .pdf
- Total Q&A: 70
- Update: Jul 21, 2026
- Price: $59.99
- Vendor: IBM
- Exam Code: C4090-456
- Exam Name: IBM XIV Storage System Technical Solutions V4
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IBM C4090-456 Exam Syllabus Topics:
| Section | Objectives |
| Administration and Management | - System monitoring
- 1. Event and alert management
- 2. Performance monitoring tools
- Storage provisioning
- 1. Volumes and pools management
- 2. Snapshot configuration
|
| Installation and Configuration | - Initial system setup
- 1. Network configuration
- 2. System initialization procedures
- Host connectivity
- 1. iSCSI configuration
- 2. Fibre Channel attachment
|
| Performance and Advanced Features | - Performance optimization
- 1. Cache optimization
- 2. Workload balancing
- Advanced storage features
- 1. Data replication concepts
- 2. Thin provisioning
|
| XIV Architecture and Concepts | - Hardware components
- 1. System redundancy design
- 2. Storage modules and interconnects
- XIV system architecture
- 1. Data distribution mechanisms
- 2. Grid architecture and scalability
|
| Maintenance and Troubleshooting | - Problem determination
- 1. Log analysis
- 2. Hardware diagnostics
- System maintenance
- 1. Component replacement procedures
- 2. Firmware upgrades
|
IBM XIV Storage System Technical Solutions V4 Sample Questions:
1. When is the best time to complete a TDA for XIV?
A) before the customer starts to use the XIV hardware
B) during the pre-sales activity before the hardware is ordered
C) after the XIV hardware is ordered
D) after the XIV hardware is installed
2. Which statement is true regarding XIV virtualization and the advanced snapshot mechanism?
A) A volume's snapshot can be copied to a volume in another storage pool.
B) A volume can have one snapshot only.
C) A volume and its corresponding snapshots can be part of several consistency groups.
D) A volume and its corresponding snapshots can be part of several storage pools.
3. XIV hardware architecture optimizes the usage of snapshots by:
A) offering the possibility to isolate the drives used for snapshot target space
B) copying data on write so the production drives are not over stressed
C) limiting the total number of snapshots to a maximum of 128 active pairs
D) a redirect-on-write operation using all drives in any snapshot process
4. 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) an eleven module XIV with 3 TB drives and six CoD activations
B) a nine module XIV with 2 TB drives and six CoD activations
C) a six module XIV with 3 TB drives and SSDs
D) an eleven module XIV with 2 TB drives and eight CoD activations
5. Expanding an XIV system with more modules for capacity and performance is an example of what?
A) a grid-based storage architecture
B) an active-passive controller architecture
C) a non-shared cluster architecture
D) a clustered dual controller architecture
Solutions:
Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |
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