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IBM C4090-451 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Architecture and Technical Characteristics | 26% | - RAID, virtualization and storage pooling - High availability and redundancy - Hardware components and connectivity - Thin provisioning, compression and tiering |
| Topic 2: Migration and Replication | 10% | - Replication solutions for business continuity - Data migration methodologies |
| Topic 3: Product Knowledge and Positioning | 22% | - FlashSystem and SAN Volume Controller - N Series and DCS3700/DCS3860 - Competitive differentiation and positioning - Storwize V3700, V5000, V7000 and SVC |
| Topic 4: Planning, Sizing and Configuration | 16% | - Capacity and performance sizing - TDA process and solution documentation - eConfig and configuration validation |
| Topic 5: Software Features and Functionality | 26% | - Licensing and feature activation - Copy services: FlashCopy, Metro Mirror, Global Mirror - Management interfaces and tools - Integration with virtualization platforms |
IBM Midrange Storage Technical Support V3 Sample Questions:
1. What needs to be considered when evaluating an existing SAN environment to be virtualized with a new Storwize V7000?
A) Disk array firmware level(s). fibre channel switch firmware, host operating system licensing
B) Disk array licensing, fibre channel switch firmware, host operating system version(s)
C) Disk array firmware level(s) fibre channel switch, host operating system version(s)
D) Disk array firmware level(s) fibre channel switch firmware, host operating system version(s)
2. A technical specialist has been asked to design a solution to address a video imaging archiving need. The customer needs to store images on disk for 90 days then keep them on tape for a period of 7 years. There will be little access to the data once it is written initially unless it is needed for legal reason. There is no need for high performance and the video files are quite large in size. Initially, there will be 2 PB of data to be archived with an estimated annual growth of 50 percent over the next two years
Which software solution should the specialist recommend as part of this design"?
A) Tivoli Storage Manager for Storage Area Networks
B) Tivoli Storage Manager Extended Edition
C) Tivoli Storage Productivity Center Select Edition
D) Tivoli Storage Manager FastBack
3. The exhibit shows a non-IBM tape library setup, where Fabric A, in addition to controlling tape drives 1 through 3, also controls the tape library controller. In the event of Fabric A loss, all control between host and library would be lost and all drives become inaccessible.
With an equivalent IBM library, in the event of Fabric A failure, which drives would be affected?
A) All drives would be accessible as IBM provides control paths via the tape devices meaning multiple control paths exist
B) All drives would be inaccessible, as the only path to the controller is lost
C) Drives 1 through 3 would be inaccessible, but drives 4-6 would continue to function due to the redundant control path on Fabric B (all IBM libraries provide dual-path controllers as standard)
D) All drives would be accessible due to the redundant control path on Fabric B (all IBM libraries provide dual-path controllers as standard)
4. A customer has an installed DS3524 and requests advice on how to add capacity to an existing logical drive. The technical specialist advises that hard drives need to be added to the array group first to provide the capacity to do the update.
What operations are performed within the DS3524 operating system to achieve the upgrade?
A) Dynamic Array Expansion only
B) Dynamic RAID migration
C) Dynamic Volume Expansion only
D) Dynamic Array Expansion and then Dynamic Volume Expansion
5. A customer is considering real-time compression (RTC) for their highly available NAS environment with 1 GbE and 10 GbE connections. The primary requirement is no changes should be needed for their existing servers, applications, storage or network. The technical specialist been asked to present a general overview of real-time compression and an in-depth product briefing.
Which of the following products would be presented?
A) PureFlexwith 16 Gbps switch Real-time Compression license
B) IBM SONAS and Tivoli Storage Manager
C) STN6800 Real-time Compression Appliance
D) Storwize V7000 with Real-time Compression
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: C |

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