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IBM IBM Certified Specialist C4090-453

C4090-453

Exam Code: C4090-453

Exam Name: IBM System Storage DS8000 Technical Solutions V3

Updated Time: Aug 13, 2026

Q & A: 70 Questions and Answers

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IBM C4090-453 Exam Syllabus Topics:

SectionObjectives
Copy Services- Metro Mirror (PPRC synchronous replication)
- Global Mirror (asynchronous replication)
- FlashCopy functions
DS8000 Architecture and Concepts- System architecture overview
- Hardware components and virtualization concepts
Storage Management and Operations- Volume management and provisioning
- Performance monitoring and optimization
Installation and Configuration- Host attachment and connectivity configuration
- Initial system setup and planning
Troubleshooting and Maintenance- System maintenance procedures
- Problem determination and diagnostics

IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

1. A new DS8000 z/OS storage customer needs to configure the DSS000 system's host adapter ports to Brocade SAN directors for host access in a Metro Mirror solution.
Which protocols must be configured for this system?

A) FIOON for FOP for host ports and FOP for Metro Mirror connection
B) FIOON protocol for host ports and FOP for Metro Mirror connection
C) No action required; the DS8000 auto-negotiates the required protocol without any adjustment
D) FICON protocol for both host ports and Metro Mirror connection


2. Which statement is true of the Easy Tier feature on DS8000?

A) It will operate in a homogeneous pool.
B) It requires SSDs to be added to a heterogeneous pool to operate.
C) It is a priced feature by terabytes used.
D) It handles data in 256 MB chunks.


3. A D38870 administrator would access the GUI using:

A) A browser
B) A thick client
C) Only the HMC
D) The POWER7 controller


4. A customer has a DS8000 with 100 TB raw capacity' installed and running in their data center. All storage is for open systems workloads. There is 30 TB of unused capacity'. There are no Advanced Functions installed, but after a presentation from the Business Partner they are interested in using FlashCopy to help reduce their overnight batch window.
How can this function be tested in compliance with the DS8000 licensing rules?

A) Use the DSEA website to request a temporary' license
B) A FlashCopy license for 100 TB is needed
C) All Advanced Function software is loaded so it can be used in test mode for 45 days
D) AFlashCopylicense for 30 TB is needed


5. If a customer experiences significant technical issues with an installed DS8000 system, which action should be taken immediately to report them?

A) The customer needs to open a problem management request (PMR)
B) Contact the responsible IBM sales representative who must handle all related communications
C) The responsible IBM Customer Service Representative needs to open a problem record
D) IBM automatically opens an internal problem record based on the Call Home messages


Solutions:

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

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