Exam Name: IBM XIV Storage System Technical Solutions V4
Certification Provider: IBM
Corresponding Certification: IBM Certified Specialist
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IBM XIV Storage System Technical Solutions V4: C4090-456 Exam Premium File as PDF & Test Engine
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IBM C4090-456 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Interoperability & Migration | 10% | - Virtualization integration - Host connectivity - Data migration methods |
| XIV Hardware Architecture | 25% | - System components and modules - Gen1 / Gen2 / Gen3 differences - Reliability and serviceability |
| XIV Software & Features | 30% | - Remote mirroring (sync/async) - Thin provisioning - GUI and CLI management - Snapshots and consistency groups |
| XIV Storage System Overview | 20% | - Competitive advantages - Architecture and business value |
| Capacity & Performance Design | 15% | - Workload sizing and best practices - Performance optimization - Capacity on Demand |
IBM XIV Storage System Technical Solutions V4 Sample Questions:
Which of the following statements is true of the XIV architecture?
- A. Every logical volume is spread over every physical drive.
- B. For each mirrored 1 MB partition, one copy is always on an interface module.
- C. Storage Pools are used to group volumes with similar performance requirements.
- D. In a fifteen module XIV, fifteen physical disks are allocated as hot spares.
Correct Answer: A 🗳️
The XIV Gen3 module interconnect implements which technology?
- A. iSOSI
- B. PC
- C. InfiniBand
- D. SAS2JJ
Correct Answer: C 🗳️
The XIV host attachment kit provides which of these functions?
- A. provides a multipathing driver for the operating system
- B. adjusts host operating system performance parameters
- C. automates replication failover operations
- D. allows host copy operations to be offloaded to the XIV
Correct Answer: B 🗳️
A customer has purchased a six module XIV Gen3 for a new project, which is located in a new data center. A new requirement states that a portion of the project data must be replicated to an existing six module XIV (Gen2) at the customer's primary data center, 500 km away. The target XIV has sufficient capacity but no Fibre Channel connectivity exists between sites. The customer therefore decides to use iSCSI replication.
Which upgrade is required to meet the requirements?
- A. replace the new (primary) XIV Gen3 InfiniBand switches with Ethernet switches
- B. add modules to the existing (secondary) XIV
- C. add modules to both XIV systems
- D. add modules to the new (primary) XIV Gen3
Correct Answer: B 🗳️
What is a benefit of the XIV system's grid-based architecture?
- A. any module can act as an interface module
- B. differentcapacitydrives can be mixed within the system but not in the same module
- C. SSDs must be installed in the interface modules only
- D. each module contains processing, caching and storage
Correct Answer: D 🗳️
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