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IBM C4090-453 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Maintenance and Troubleshooting | - System diagnostics and logs - Problem determination and resolution |
| Topic 2: DS8000 Architecture and Components | - DS8000 hardware architecture overview - Storage virtualization concepts |
| Topic 3: Storage Management | - Logical volumes and pools management - Performance monitoring and optimization |
| Topic 4: High Availability and Disaster Recovery | - Copy services (Metro Mirror, Global Mirror) - Backup and recovery strategies |
| Topic 5: Installation and Configuration | - Host connectivity configuration - Initial system setup and configuration |
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
Question 1
How many Global Mirror sessions are supported on a single DSSSOO?
A. 1
B. 32
C. 256
D. 16
Question 2
A customer's IT department has had problems meeting their backup window. They now mandate that a fast backup process be in place before an application is deployed. They have a DS8000 as their disk subsystem and a TS3500 tape library for backups.
What is the simplest and most effective option to satis1i this requirement?
A. Increase cache size
B. ImplementFlashCopy
C. Implement TS1 140 drives
D. Install Solid state Drives
Question 3
The customer's data center has an elevator with a maximum load capacity' of 2200 lb (1000 kg). A Disk Magic study has proved that the performance requirements of the workload are at Enterprise class levels.
What should be recommended?
A. Redesign the solution to use modular systems, like IBM Storwize V7000, which could be delivered in lighter shipments.
B. Configure the feature code on DS8800 which allows a shipping weight reduction.
C. A standard D68800. The Customer Engineer can then remove parts until the elevator load capacity' is not exceeded.
D. Order a DS8800 with minimal disks and then MES upgrade with additional capacity' to the customer's requirements.
Question 4
A new D58000 mixed mainframe and open storage customer would like to connect older open (2 Gbps) and mainframe servers (4 Gbps) to the DS8000 system's 8 Gbps host adapters.
How can this be done?
A. the D58000 8 Gbps Host Adapter ports auto-negotiate to 4 Gbps and 2 Gbps link speed
B. the customer needs to change the server's HBA5 to an 8 Gbps link speed type
C. the DS8OIJO supports 4 Gbps for mainframe connection; the 2 Gbps open systems connection must be connected via an intermediate SAN
D. through the GUI, adjust the required FOP ports for open to 2 Gbps and the FIOON ports for mainframe to 4 Gbps link speed
Question 5
What z/OS solution supported by the D68000 is designed to provide continuous availability in cases of disk subsystem failure?
A. HyperSwap
B. zHPE
C. HyperPAV
D. MIDAW
Solutions:
| Question 1 Answer: B | Question 2 Answer: B | Question 3 Answer: B | Question 4 Answer: A | Question 5 Answer: A |







