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IBM C4090-456 Exam Syllabus Topics:

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

                                          IBM XIV Storage System Technical Solutions V4 Sample Questions:

                                          1. On an XIV system, how can a thin provisioned volume be changed to a regular provisioned volume?

                                          A) in the XCLI, use the command pool_change_config on the pool containing the volume
                                          B) in the GUI, right mouse click on the volume and select"regular provision"
                                          C) in the GUI, right mouse click on the volume and move itto a regular pool
                                          D) in the XCLI, use the command vol_resize on the volume


                                          2. The modem installed in the XIV is used for what?

                                          A) XRSCconnectivity
                                          B) externally servicing the system
                                          C) the Call Home feature
                                          D) setting up modules


                                          3. How does the XIV system protect data arriving from hosts?

                                          A) MPIO distributes a single I/O down multiple paths to different XIV modules
                                          B) data is written to a single module before acknowledgement to the host
                                          C) all data is written to cache in two modules and then acknowledged to the host
                                          D) each module internally mirrors its cache to a special segment of memory


                                          4. Which statement is true regarding XIV connectivity to IBM PowerVM VIOS clients?

                                          A) NPIV must be used.
                                          B) Direct iSCSI connection to VIOS is supported.
                                          C) NPIV is not supported.
                                          D) AIX, Linux and IBM i VIOS clients are supported.


                                          5. Compared to other IBM storage offerings, which of the following is unique functionality on an XIV system?

                                          A) prevents hotspots
                                          B) IP based replication
                                          C) ability to take snapshots
                                          D) reduced single points of failure


                                          Solutions:

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

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