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Updated: Aug 08, 2026

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IBM C4090-456 Exam Overview:

Certification Vendor:IBM
Exam Name:IBM XIV Storage System Technical Solutions V4
Exam Number:C4090-456
Related Certifications:IBM Certified Specialist - Storage Technical Solutions
IBM Storage Administrator
Exam Price:USD 200 (varies by region)
Certificate Validity Period:2 years
Real Exam Qty:60
Exam Duration:90 minutes
Passing Score:61%
Available Languages:English
Exam Format:Multiple choice, Single answer, Scenario-based questions
Recommended Training:IBM Training - XIV Storage System courses
Exam Registration:IBM Certification Portal
Sample Questions:IBM C4090-456 Sample Questions
Exam Way:Online proctored or test center exam
Pre Condition:Recommended: IBM storage fundamentals or equivalent storage administration experience
Official Syllabus URL:https://www.ibm.com/certify

IBM C4090-456 Exam Syllabus Topics:

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

                                          IBM XIV Storage System Technical Solutions V4 Sample Questions:

                                          1. An XIV snapshot is taken daily from the same volume and kept for one week.
                                          If it is Friday and the system is restored from a snapshot taken on Tuesday, why is it possible to return to a snapshot taken on Thursday?

                                          A) because the deletion priorityis set correctly
                                          B) because snapshots were all converted to full copy
                                          C) because there is sufficient space in the snapshot reserve
                                          D) because there are no dependencies between subsequent snapshots


                                          2. A customer has legacy Windows 2003 servers to connect to an XIV. What software is required to be installed on the host?

                                          A) XIV HAK
                                          B) XIV Top
                                          C) XIV VSS
                                          D) XIV GUI


                                          3. How many active module interconnects are there between data modules on an XIV system Model A14?

                                          A) sixEthernetconnections
                                          B) one Ethernetconnection
                                          C) two Ethernetconnections
                                          D) four Ethernet connections


                                          4. A storage administrator wishes to migrate a legacy storage controller's volumes to a SAN Volume Controller. The controller can provide SAS or iSCSI host connections only. An XIV is virtualized by the SVC and has been upgraded from six modules to nine to assist with the migration project. The additional storage is yet to be presented to the SVC.
                                          What would be the best method to transfer the data?

                                          A) Present volumes to the XIV using SAS. Migrate the volumes to XIV using the availablecapacitythen to the SV
                                          B) Present volumes to the SVC using iSCSl. Mirror the volumes onto the newly-presented XIV storage.
                                          C) Presentvolumestothe SVC using SAS. Mirrorthe volumes onto the newly-presented XIV storage.
                                          D) Present volumes to the XIV using iSCSl. Migrate the volumes to XIV using the availablecapacitythen to the SVC.


                                          5. Expanding an XIV system with more modules for capacity and performance is an example of what?

                                          A) a non-shared cluster architecture
                                          B) a clustered dual controller architecture
                                          C) a grid-based storage architecture
                                          D) an active-passive controller architecture


                                          Solutions:

                                          Question # 1
                                          Answer: D
                                          Question # 2
                                          Answer: A
                                          Question # 3
                                          Answer: C
                                          Question # 4
                                          Answer: D
                                          Question # 5
                                          Answer: C

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