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IBM IBM Certified Specialist C4090-456

C4090-456

Exam Code: C4090-456

Exam Name: IBM XIV Storage System Technical Solutions V4

Updated: Aug 27, 2026

Q & A: 70 Questions and Answers

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IBM C4090-456 Exam Syllabus Topics:

SectionObjectives
Topic 1: Installation and Configuration- Initial system setup
  • 1. System initialization procedures
    • 2. Network configuration
      - Host connectivity
      • 1. Fibre Channel attachment
        • 2. iSCSI configuration
          Topic 2: XIV Architecture and Concepts- Hardware components
          • 1. Storage modules and interconnects
            • 2. System redundancy design
              - XIV system architecture
              • 1. Data distribution mechanisms
                • 2. Grid architecture and scalability
                  Topic 3: Administration and Management- Storage provisioning
                  • 1. Volumes and pools management
                    • 2. Snapshot configuration
                      - System monitoring
                      • 1. Event and alert management
                        • 2. Performance monitoring tools
                          Topic 4: Maintenance and Troubleshooting- System maintenance
                          • 1. Firmware upgrades
                            • 2. Component replacement procedures
                              - Problem determination
                              • 1. Hardware diagnostics
                                • 2. Log analysis
                                  Topic 5: Performance and Advanced Features- Advanced storage features
                                  • 1. Thin provisioning
                                    • 2. Data replication concepts
                                      - Performance optimization
                                      • 1. Cache optimization
                                        • 2. Workload balancing

                                          IBM XIV Storage System Technical Solutions V4 Sample Questions:

                                          1. Which two of the following IBM products assure online data migration? (Select two)

                                          A) DS5000series
                                          B) FlashSystems
                                          C) XIV Storage System
                                          D) DS8870
                                          E) SAN Volume Controller


                                          2. Which of the following statements is true of the XIV architecture?

                                          A) For each mirrored 1 MB partition, one copy is always on an interface module.
                                          B) Storage Pools are used to group volumes with similar performance requirements.
                                          C) Every logical volume is spread over every physical drive.
                                          D) In a fifteen module XIV, fifteen physical disks are allocated as hot spares.


                                          3. Which of the following is a benefit of the XIV system's hardware architecture?

                                          A) SAS bus interface allows the use of industry standard Enhanced IDE drives
                                          B) mirrored interface modules provide increased data throughput
                                          C) InfiniBand connectivity between XIV systems for extended distance mirroring
                                          D) data distributed across all hard drives improves system throughput


                                          4. In a six module XIV system, I/O activity involving a specific logical volume is handled by how many spindles?

                                          A) 36
                                          B) 72
                                          C) 180
                                          D) 108


                                          5. The XIV Gen3 module interconnect implements which technology?

                                          A) iSOSI
                                          B) InfiniBand
                                          C) SAS2JJ
                                          D) PC


                                          Solutions:

                                          Question # 1
                                          Answer: C,E
                                          Question # 2
                                          Answer: C
                                          Question # 3
                                          Answer: D
                                          Question # 4
                                          Answer: B
                                          Question # 5
                                          Answer: B

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