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IBM C4090-455 Exam Syllabus Topics:

SectionObjectives
Storage Fundamentals- Data Protection
  • 1. Backup and recovery concepts
    • 2. Replication technologies
      • 3. Business continuity and disaster recovery
        - IBM High Volume Storage Solutions
        • 1. High-volume storage use cases
          • 2. IBM storage portfolio overview
            • 3. Storage management concepts
              - Storage Networking
              • 1. Fibre Channel and Ethernet storage
                • 2. SAN fundamentals
                  • 3. Connectivity components
                    - Disk Storage Technologies
                    • 1. Hard disk technologies
                      • 2. Performance characteristics
                        • 3. RAID concepts
                          - Tape Storage Technologies
                          • 1. Archiving and backup concepts
                            • 2. Tape systems and libraries
                              - Introduction to Enterprise Storage
                              • 1. Storage terminology and concepts
                                • 2. Storage architectures

                                  IBM High Volume Storage Fundamentals V3 Sample Questions:

                                  1. Based on the LTO standard, what is the published data compression rate of LTO-6?

                                  A) 2.0:1
                                  B) 5.0:1
                                  C) 3.5:1
                                  D) 2.5:1


                                  2. On a DS3500 the premium feature Backup and Restore Option consists of:

                                  A) 16 Enhanced Remote Mirrors and 32 Global Mirrors
                                  B) 256 Real-time Compression instances
                                  C) 256 Performance Read Cache partitions
                                  D) 512 point-in-time instances of EnhancedFlashCopy


                                  3. A customer is using an aging EMO DMX and is running out of floor space in their data center. They are a loyal EMO customer but the 010 is willing to have a quick discussion with IBM.
                                  What IBM storage efficiency technologies should be discussed to address their floor space issue?

                                  A) tape automation and LTO tape
                                  B) storage virtualization and thin provisioning
                                  C) manual tiring and external virtualization
                                  D) FlashCopy and replication


                                  4. On the Storwize V3701J, what is the default cache of a single node?

                                  A) 8 GB
                                  B) 16 GB
                                  C) 2 GB
                                  D) 4 GB


                                  5. Which characteristic makes the IBM Storwize V3700 more efficient in fully loaded data centers compared to Dell EqualLogic - PS4100E/4110E?

                                  A) the Storwize V3700 offers different drive options
                                  B) the Storwize V3700 is more efficient because it produces less C02e kg pa
                                  C) the Storwize V3700 offers more host interlaces
                                  D) the Storwize V3700 is more efficient due to lower height of the system


                                  Solutions:

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

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