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IBM C4090-456 Exam Syllabus Topics:

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

                                          IBM XIV Storage System Technical Solutions V4 Sample Questions:

                                          A customer wants to know how much capacity has been consumed against the Capacity on Demand entitlement on their XIV system.
                                          How would the technical specialist determine the capacity consumed?

                                          • A. running the XCLI command cod_list
                                          • B. looking at the soft consumed capacity in the bottom left corner of the XIV GUI
                                          • C. running the XCLI command system_capacity_list
                                          • D. running the XCLI command vol_list and summing the Used Capacity column
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A  🗳️

                                          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 databases should be reorganized into larger volumes on the XIV and not striped within the OS
                                          • B. the SAP volumes should be put into a QoS Performance Class
                                          • C. add Fibre Channel adapters to the host and balance volumes across the adapters
                                          • D. implement static load balancing and increase the queue depth of the host adapters
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A  🗳️

                                          Which statement is true regarding XIV virtualization and the advanced snapshot mechanism?

                                          • A. A volume can have one snapshot only.
                                          • B. A volume and its corresponding snapshots can be part of several consistency groups.
                                          • C. A volume and its corresponding snapshots can be part of several storage pools.
                                          • D. A volume's snapshot can be copied to a volume in another storage pool.
                                          Reveal Solution  Discussion  0

                                          Correct Answer: D  🗳️

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

                                          • A. SAN Volume Controller
                                          • B. DS8870
                                          • C. DS5000series
                                          • D. XIV Storage System
                                          • E. FlashSystems
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A,D  🗳️

                                          What is the benefit of VMware VAAI functionality?

                                          • A. allows offloading extended VMware operations to the XIV system
                                          • B. extends XIV storage provisioning functions to VMware vOenter
                                          • C. provides multipathing for VMware servers to XIV systems
                                          • D. integrates VMware disasterrecoverywith XIV remote replication
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A  🗳️

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