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IBM XIV Storage System Technical Solutions V4 - C4090-456 real prep

C4090-456
  • Exam Code: C4090-456
  • Exam Name: IBM XIV Storage System Technical Solutions V4
  • Updated: Aug 24, 2026
  • Q & A: 70 Questions and Answers
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IBM C4090-456 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Installation and Configuration20%- Storage provisioning
  • 1. Host connectivity configuration
    • 2. Volume creation and mapping
      - Initial setup and deployment
      • 1. System initialization procedures
        • 2. Network configuration and zoning
          Topic 2: Data Protection and Replication15%- Replication strategies
          • 1. Synchronous and asynchronous replication
            • 2. Disaster recovery planning
              - Snapshot and backup features
              • 1. Backup integration concepts
                • 2. Snapshot creation and management
                  Topic 3: XIV Architecture and Concepts25%- XIV system architecture overview
                  • 1. Storage pooling and virtualization concepts
                    • 2. Grid architecture and distributed design
                      - Hardware components and system layout
                      • 1. Capacity scaling principles
                        • 2. Modules, grids, and connectivity
                          Topic 4: Operations and Administration25%- Day-to-day management
                          • 1. Monitoring system health
                            • 2. Performance tuning basics
                              - User and access management
                              • 1. Role-based access control
                                • 2. Administrative tasks
                                  Topic 5: Troubleshooting and Maintenance15%- System maintenance
                                  • 1. Preventive maintenance tasks
                                    • 2. Firmware and software updates
                                      - Problem determination
                                      • 1. Common failure scenarios
                                        • 2. Log analysis and diagnostics

                                          IBM XIV Storage System Technical Solutions V4 Sample Questions:

                                          1. Which is the correct method to access the XIV Multi-system Manager (MSM)?

                                          A) VMware vOenter console to the MSM
                                          B) Remote Desktop (RDP) session to the MSM
                                          C) Puttysession to the MSM P address
                                          D) XIV GUI to the MSM using server mode


                                          2. An XIV administrator wants to migrate a legacy DS4700 to XIV. The DS4700 is mirrored across a low-bandwidth link to a second DS4700 at a second site. The XIV volumes will need to be mirrored to a second XIV using asynchronous replication.
                                          What feature will help perform this task?

                                          A) cache-disabled volumes
                                          B) asynchronous migration
                                          C) volume mirroring
                                          D) offline initialization


                                          3. Which XIV system feature increases the level of reliability of the system?

                                          A) solid state drives
                                          B) protected cache
                                          C) snapshots
                                          D) Quality of Service


                                          4. What is the online tool that should be checked for supported host interoperability?

                                          A) 3310
                                          B) IT Security
                                          C) 1331 B 331


                                          5. A customer complains that their SAP database now performs worse than it did before being migrated from traditional RAID storage to XIV. The database was configured using 20 x 200GB XIV LUNs presented to an AIX 6 host OS where they are concatenated and striped into six volumes for the databases and logs. No changes have been made in the transition to XIV.
                                          What if anything can be done to improve performance?

                                          A) the SAP volumes should be put into a QoS Performance Class
                                          B) implement static load balancing and increase the queue depth of the host adapters
                                          C) the databases should be reorganized into larger volumes on the XIV and not striped within the OS
                                          D) add Fibre Channel adapters to the host and balance volumes across the adapters


                                          Solutions:

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

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