IBM C4040-121 : Virtualization Technical Support for IBM i -v1

  • Exam Code: C4040-121
  • Exam Name: Virtualization Technical Support for IBM i -v1
  • Updated: Jul 29, 2026
  • Q & A: 102 Questions and Answers

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IBM C4040-121 Exam Syllabus Topics:
SectionObjectives
Topic 1: Networking and I/O Virtualization- I/O resource virtualization
  • 1. Shared Ethernet Adapter (SEA)
    • 2. NPIV configuration basics
      - Virtual networking on IBM Power systems
      • 1. Network configuration in VIOS
        • 2. Virtual Ethernet adapters
          Topic 2: IBM i Virtualization Fundamentals- PowerVM components and configuration
          • 1. Virtual adapters and device mapping
            • 2. VIOS (Virtual I/O Server) basics
              - IBM i architecture and virtualization concepts
              • 1. Power Systems virtualization concepts
                • 2. IBM i logical partitioning (LPAR) overview
                  Topic 3: Troubleshooting and Support- Performance and resource issues
                  • 1. Monitoring tools and diagnostics
                    • 2. Identifying virtualization bottlenecks
                      - System recovery and maintenance
                      • 1. LPAR restore and failover concepts
                        • 2. VIOS recovery procedures
                          Topic 4: System Administration and Configuration- Partition management
                          • 1. Creating and managing LPARs
                            • 2. Resource allocation (CPU, memory, storage)
                              - Storage virtualization
                              • 1. SAN and virtual disk configuration
                                • 2. Disk pooling and management
                                  IBM Virtualization Technical Support for IBM i -v1 Sample Questions:

                                  1. Disk from a fibre-attached V7000 disk subsystem will be used for an IBM i partition. What type of adapter is required in the IBM i partition?

                                  A) Virtual SCSI adapter
                                  B) SAS disk adapter
                                  C) Virtual SAS adapter
                                  D) Fibre Channel adapter


                                  2. When using SAN flash copy to clone a disk image for an IBM i client LPAR, message 'CP1096E Disk unit connection is missing' appears in the history log of the newly created client LPAR.
                                  A check in SST shows the expected disk paths as 'active' and extra disk paths with a status of 'missing', a result of the reconfiguration of the disk subsystem.
                                  What is necessary to avoid the warnings and to clean up the disk paths?

                                  A) Use the Disk Path Manager tool in System Director Navigator.
                                  B) Run the multipath resetter Advanced Analysis macro in SST.
                                  C) Remove the missing path(s) through Hardware Service Manager.
                                  D) Re-IPL the system.


                                  3. A Power Systems server, running AIX, Linux and IBM i partitions, encounters performance problems.
                                  To investigate the problem, the administrator wants to collect high-level cross-partition performance data from an IBM i partition.
                                  What is required?

                                  A) IBM i Collection Services
                                  B) IBM Performance Tools base product and option 2 (Agent feature)
                                  C) IBM Performance Management for Power Systems
                                  D) IBM Performance Tools base product and option I (Manager feature)


                                  4. A client IBM i 7.1 partition has its disk provided by another IBM i partition, and owns a physical network adapter.
                                  The host partition is put into restricted state.
                                  What happens to the client partition?

                                  A) It crashes and starts an abnormal IPL with Storage Management Recovery.
                                  B) It halts and resumes when the host is taken out of restricted state.
                                  C) It shuts down and restarts when the host is taken out of restricted state.
                                  D) It continues to operate normally.


                                  5. A client IBM i partition is implemented across two VIO Servers (VIOS) and the network is configured with SEA failover.
                                  VlQS-1 is configured as the primary network path, and VIOS-2 as the secondary.
                                  When VIOS-1 is removed for maintenance purposes, the client IBM i partition network traffic moves to VIOS-2.
                                  What is the result when VIOS-1 returns to a running state?

                                  A) The client IBM i partition continues to access the network through VIOS-2.
                                  B) Access to the network from VlOS-1 is returned after the virtual Ethernet adapters are DLPARed back in.
                                  C) The client IBM i partition begins to use both VIQ Servers to access the network.
                                  D) The network will revert automatically to VIOS-1.


                                  Solutions:

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

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