IBM C4040-121 real exam prep : Virtualization Technical Support for IBM i -v1

  • Exam Code: C4040-121
  • Exam Name: Virtualization Technical Support for IBM i -v1
  • Updated: Aug 10, 2026
  • Q&As: 102 Questions and Answers

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IBM C4040-121 Exam Syllabus Topics:

SectionObjectives
IBM i Virtualization and System Administration- IBM i environment management
  • 1. Work management concepts
    • 2. System configuration on Power systems
      - Partition administration
      • 1. Resource tuning for IBM i partitions
        • 2. Creating and managing LPARs
          IBM Power Systems Virtualization Fundamentals- PowerVM architecture overview
          • 1. Logical partitions (LPARs)
            • 2. Hypervisor concepts
              - Resource virtualization concepts
              • 1. Shared processor pools
                • 2. CPU and memory allocation
                  Monitoring, Performance, and Troubleshooting- Performance analysis
                  • 1. CPU and memory bottleneck identification
                    • 2. Workload balancing in partitions
                      - Troubleshooting virtualization issues
                      • 1. LPAR startup and configuration issues
                        • 2. VIOS connectivity problems
                          Virtual I/O Server (VIOS) and Storage Virtualization- VIOS concepts and architecture
                          • 1. Virtual Fibre Channel adapters
                            • 2. Virtual SCSI configuration
                              - Storage management
                              • 1. SAN integration in virtualized environments
                                • 2. Disk provisioning and mapping
                                  Networking in Virtualized IBM Power Environments- Virtual networking concepts
                                  • 1. Network segmentation in LPARs
                                    • 2. Virtual Ethernet adapters

                                      IBM Virtualization Technical Support for IBM i -v1 Sample Questions:

                                      1. A client IBM i 7.1 partition is being hosted by dual VIO Server partitions (VIOS-1 & VIOS-2). A Shared Ethernet Adapter (SEA) has been created in order to provide Ethernet failover capability for the IBM i partition. The IBM i partition will use the Ethernet resources of the VIO Server partitions.
                                      How many virtual Ethernet adapters need to be defined on the HMCI in the IBM i client, and VIO Server partition profiles to support SEA and failover?

                                      A) IBM i Client: 2 adapters VIOS-1: 2 adapters VIOS-2: 2 adapters
                                      B) IBM i Client: 1 adapter VIOS-1: 2 adapters VIOS-2: 2 adapters
                                      C) IBM i Client: 2 adapters VIOS-1: 1 adapter VIOS-2: 1 adapter
                                      D) IBM i Client: 1 adapter: VIOS-1: 1 adapter VIOS-2: 1 adapter


                                      2. What is the tool used to aid in upgrade planning for interdependencies of HMC and system firmware upgrades?

                                      A) Pre-Upgrade Verification Tool
                                      B) IBM Fix Level Recommendation Tool
                                      C) System Planning Tool
                                      D) Firmware Validation Tool


                                      3. A POWER7 system has 6 IBM i partitions sharing a single shared processor pool. The system has 3 IBM i operating system licenses. Without exceeding the licenses available, what is the largest allowable value for the "Maximum processing units" setting in the shared processor pool?

                                      A) 2
                                      B) 6
                                      C) 3
                                      D) 1


                                      4. A customer needs to replace a failed tape controller card on a running partition. The service action Serviceability-> Hardware -> Exchange ERU has been started. The card has been selected and the service action has been launched.
                                      The message "The requested service action cannot currently be completed from this management console" is displayed.
                                      What is the most likely reason for this error?

                                      A) The service domain for the partition is still active.
                                      B) The tape device associated with the adapter is notvaried off.
                                      C) The partition is controlled by another HMC in the environment.
                                      D) The adapter has not been deallocated from the partition.


                                      5. After using the Advanced Management Module (AMM) to move the BladeCenter's optical drive to a different POWER blade in the same chassis, the VIO Server on the blade from which the drive was removed still shows it as "available," while the blade to which it was moved doesn't reflect ownership of the device. Why is this occurring?

                                      A) The VIO Servers on each POWER blade need to have actions taken in order to refresh the known inventory of physical hardware.
                                      B) The scheduled inventory refresh has not yet processed.
                                      C) The VIO Server which is acquiring the hardware doesn't have an adapter available to support optical virtualization.
                                      D) The IBM i partition which needs the optical device to be varied on with RESTART *YES in order to be acquired.


                                      Solutions:

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

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