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IBM C4090-456 Exam Syllabus Topics:

SectionObjectives
Topic 1: Performance and Advanced Features- Performance optimization
  • 1. Workload balancing
    • 2. Cache optimization
      - Advanced storage features
      • 1. Thin provisioning
        • 2. Data replication concepts
          Topic 2: Maintenance and Troubleshooting- System maintenance
          • 1. Component replacement procedures
            • 2. Firmware upgrades
              - Problem determination
              • 1. Log analysis
                • 2. Hardware diagnostics
                  Topic 3: Installation and Configuration- Initial system setup
                  • 1. System initialization procedures
                    • 2. Network configuration
                      - Host connectivity
                      • 1. Fibre Channel attachment
                        • 2. iSCSI configuration
                          Topic 4: XIV Architecture and Concepts- Hardware components
                          • 1. System redundancy design
                            • 2. Storage modules and interconnects
                              - XIV system architecture
                              • 1. Data distribution mechanisms
                                • 2. Grid architecture and scalability
                                  Topic 5: 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. Where is the XIV VSS Provider software installed?

                                          A) as a plug-in to the XIV GUI
                                          B) on the XIV maintenance module
                                          C) on servers or VMs connected to the XIV system
                                          D) on the interface modules of the XIV system


                                          2. XIV hardware architecture optimizes the usage of snapshots by:

                                          A) a redirect-on-write operation using all drives in any snapshot process
                                          B) offering the possibility to isolate the drives used for snapshot target space
                                          C) copying data on write so the production drives are not over stressed
                                          D) limiting the total number of snapshots to a maximum of 128 active pairs


                                          3. When is the command xcii --protect used?

                                          A) to create an encrypted host on the XIV
                                          B) to create an encrypted file with all commands used after command has been entered
                                          C) to create an encrypted file with username and password forXCLl usage
                                          D) to create an encrypted volume on the XIV


                                          4. Which statement is true about the XIV migration?

                                          A) The customer must also purchase a SAN Volume Controller.
                                          B) Before commencing migration the optional license must be installed.
                                          C) The customer must be aware that a short period of host downtime is needed.
                                          D) Data can be migrated without any host interruption.


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

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


                                          Solutions:

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

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