IBM C9020-463 : IBM System Storage DS8000 Technical Solutions

  • Exam Code: C9020-463
  • Exam Name: IBM System Storage DS8000 Technical Solutions
  • Updated: Aug 31, 2026
  • Q & A: 57 Questions and Answers

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IBM C9020-463 Exam Syllabus Topics:

SectionObjectives
Copy Services and Data Replication- Remote replication technologies
  • 1. Metro Mirror and Global Mirror configurations
    • 2. Disaster recovery planning and implementation
      - Local replication technologies
      • 1. FlashCopy operations and use cases
        Performance, Troubleshooting, and Optimization- Problem determination
        • 1. Hardware and connectivity troubleshooting
          • 2. Log analysis and diagnostic tools
            - Performance analysis
            • 1. Bottleneck identification and tuning strategies
              • 2. Cache utilization and I/O performance metrics
                DS8000 Architecture and Concepts- DS8000 hardware components and system design
                • 1. Storage enclosures, cache architecture, and redundancy
                  • 2. Host attachment and connectivity options (Fibre Channel, FICON)
                    - Logical and physical storage structure
                    • 1. RAID configurations and data protection mechanisms
                      • 2. Ranks, arrays, extent pools, and volumes
                        Installation, Configuration, and Management- Storage management tools
                        • 1. Monitoring and reporting functions
                          • 2. DS Storage Manager and GUI/CLI usage
                            - System setup and initial configuration
                            • 1. DS8000 initialization and configuration workflows
                              • 2. Storage provisioning and LUN creation

                                IBM System Storage DS8000 Technical Solutions Sample Questions:

                                Question 1

                                What is defined as "non-volatile storage" in an IBM DS8870 controller?

                                A. 50% of the cache in each controller
                                B. Cache memory modules which are mirrored
                                C. Cache in each I/O adapter card that increases reliability
                                D. Cache memory used to hold data not written to disk


                                Question 2

                                A customer wants to migrate from an IBM DS8700 to an IBM DS8870 located 1000 kilometers away, using a minimum of storage, licenses, and impact to the local site. The customer will allow the data to move to the remote site, stop the application, and then restart it at the remote site.
                                Which replication method should be used?

                                A. Global Copy
                                B. Metro Mirror
                                C. Global Mirror
                                D. Metro/Global Mirror


                                Question 3

                                Through which method does IBM DS8870 High Performance Flash Enclosure connect?

                                A. PCIe
                                B. Infiniband
                                C. Device adapter
                                D. Host bus adapter


                                Question 4

                                Which operating system environment supports the IBM DS8870 Cooperative Caching function?

                                A. Linux
                                B. z/OS
                                C. AIX
                                D. Windows


                                Question 5

                                A customer will be purchasing an IBM DS8870 with all drives being the same size and speed. Only Windows hosts will be connected. This customer wishes to minimize storage administrator duties.
                                How can this be accomplished?

                                A. Create one pool per host bus adapter
                                B. Create onepool per processor node
                                C. Create one pool per frame
                                D. Create one pool per fiber port


                                Solutions:

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

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