Pass the actual test with the help of C4090-453 study guide
Last Updated: Sep 07, 2026
No. of Questions: 70 Questions & Answers with Testing Engine
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The C4090-453 exam is known for its demanding coverage, and many candidates underestimate the IBM System Storage DS8000 Technical Solutions V3 syllabus until it is too late. Actualtests4sure breaks that challenge down into 70 practice questions that mirror the scope and style of the test, helping you prepare with purpose.
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM System Storage DS8000 Technical Solutions V3 |
| Exam Number: | 000-453 |
| Real Exam Qty: | 66-70 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 66% |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple choice, Multiple select, Scenario-based |
| Exam Price: | $200 USD |
| Available Languages: | English |
| Recommended Training: | IBM DS8000 Technical Overview IBM Redbooks - DS8000 Series |
| Exam Registration: | IBM Training & Certification |
| Sample Questions: | IBM C4090-453 Sample Questions |
| Exam Way: | Proctored onsite at Pearson VUE testing centers; RETIRED as of August 31, 2015 |
| Pre Condition: | Recommended 12 months of hands-on experience with DS8000 storage solutions |
| Official Syllabus URL: | https://www.ibm.com/training/certification/ibm-certified-specialist-system-storage-ds8000-technical-solutions-v3-23002403 |
| Section | Weight | Objectives |
|---|---|---|
| Advanced Functions and Copy Services | 30% | - Integration with VMware, GDPS, PowerHA - FlashCopy, Metro Mirror, Global Mirror - z/OS specific functions: PAV, zHPF, Hyperswap - Easy Tier, thin provisioning, encryption |
| Troubleshooting and Support | 10% | - Monitoring and problem determination - IBM support resources and documentation |
| Architecture and Overview | 20% | - DS8000 hardware components and architecture - Supported environments: Open Systems and System z - RAS features and reliability - Storage hierarchy and cache management |
| Configuration and Management | 15% | - Migration strategies and upgrades - DS Storage Manager GUI and DS CLI - License models and feature activation |
| Planning and Sizing | 25% | - RAID types and drive selection - TDA process and interoperability validation - Sizing tools: Disk Magic, Capacity Magic - Requirements analysis and solution design |
The C4090-453 exam leads to the IBM Certified Specialist - System Storage DS8000 Technical Solutions V3 certification, a Specialist-level credential from IBM. It validates the skills measured by the IBM System Storage DS8000 Technical Solutions V3 syllabus and is a recognized step for IT professionals building their careers.
The IBM System Storage DS8000 Technical Solutions V3 exam includes 66-70 questions and gives you 90 minutes to complete them. That works out to a fairly tight pace, so reading each question carefully but decisively matters more than perfectionism. If a question stalls you, flag it and move on; banking the easier points first keeps time pressure from snowballing near the end. Before test day, run at least one full timed session with the Actualtests4sure practice test so the rhythm feels familiar rather than rushed.
You need 66% to pass the C4090-453 exam, and the official registration fee is $200 USD. Keep in mind that a failed attempt means paying the full fee again to retake the exam, so it pays to be honest with yourself before booking a seat. A practical benchmark: work through the 70 practice questions at Actualtests4sure until you can score comfortably above the passing line in timed mode, then schedule your exam.
Recommended 12 months of hands-on experience with DS8000 storage solutions Because IBM may adjust its policies over time, we recommend confirming the latest requirements on the official exam page (official exam page) before you register.
You can sign up for the IBM System Storage DS8000 Technical Solutions V3 exam through any of the official registration channels below:
As for how the exam is delivered: Proctored onsite at Pearson VUE testing centers; RETIRED as of August 31, 2015.
IBM suggests the following training options for candidates preparing for IBM System Storage DS8000 Technical Solutions V3:
Formal training is a solid foundation, and pairing it with the 70 practice questions from Actualtests4sure helps you turn that knowledge into exam-day confidence.
Yes. Actualtests4sure offers a free PDF demo of the IBM System Storage DS8000 Technical Solutions V3 material, so you can review the question style and answer quality before making a decision. Every purchase also includes 365 days of free updates, and after that period you can extend your updates at a 50% discount, which keeps your preparation current through 2026 and beyond.
If you take the IBM System Storage DS8000 Technical Solutions V3 exam within 60 days of your purchase and do not pass, Actualtests4sure offers a full refund under its Money Back Guarantee. To apply, send a scanned copy of your exam enrollment slip together with your official Score Report in PDF format within 2 days of the exam date, and your claim will be processed within 7 days. The guarantee applies only to the corresponding exam: attempts made within 3 days of purchase, exams downloaded but never actually taken, free materials, and expired orders are not eligible, and the candidate name must match the purchaser name. If you would rather not take a refund, you can exchange your product for two additional exam preparation products of equal value and keep the update service on your original purchase. Delivery itself is instant: your product is available for download right after payment and is also sent to your email within one minute, and if it has not arrived within 2 hours, contact our support team. There is no limit on how many computers you can install it on.
The IBM System Storage DS8000 Technical Solutions V3 syllabus is divided into 5 main domains, including Planning and Sizing (25%), Advanced Functions and Copy Services (30%), Troubleshooting and Support (10%). Each domain carries a different share of the total score, so knowing where the weight sits helps you allocate your study time wisely. You will find the complete, up-to-date outline in the Exam Topics section above.
Question 1
A potential DS8870 customer knows that RAID 5 works much faster and is more capacity-efficient than RAID 6, but they fear for double disk failures due to high rebuild times at large disk sizes.
How should the technical specialist address this concern?
A. Explain RAID 6 is the only applicable solution.
B. Discuss the DSS000 Smart Rebuild function with the customer.
C. Discuss how additional hot spares can be configured per device adapter pair.
D. Suggest configuring large storage pools with multiple RAID 5 arrays.
Question 2
A customer has submitted an REP for which a DS8870 is the preferred solution to support their VMware environment. They require support for VAAI Extended Copy.
What should the technical specialist advise this customer?
A. A SAN Volume Controller must be proposed along with the DS8870 to provide VAAI support
B. A DS8870 with FlashCopy should be proposed
C. DS8870 supports the VAAI functionality required by this customer
D. VAAI is only a host function so any disk subsystem can be considered
Question 3
A potential D6881J0 customer asks the technical specialist if the D38800 systems provide a point in time copy solution where the FlashCopy volume can logically be pre-configured but no disk space is allocated as long as there are no updated tracks written.
Which D38800 FlashCopy method supports this customer's requirement?
A. incrementalFlashCopy
B. dataset FlashCopy
C. space efficient FlashCopy
D. FlashCopy with N000PY option
Question 4
A customer is looking to open a new data center and has asked about raised floor requirements to accommodate cabling for the DS8870.
What is the correct response?
A. There is a feature which allows power and EC cables to exit from the top of the DSSS7O frames
B. Only a DS8870 with business class cabling can have top exit power cables
C. An RPQ is needed to allow top exit cabling for a DSSSJO with any expansion frames
D. D38870 power cables can only be connected under the floor as DS8870 always requires a raised floor for cooling purposes
Question 5
Which of the following statements about the three-site solution Metro z/QS Global Mirror (MzGM) is true?
A. MzGM does not support z/Linux data on CKD devices
B. MzGM supports distributed systems data on PB devices
C. MzGM is a multi-target solution where the primary device is replicated both synchronously and asynchronously
D. MzGM can be managed by GDPS and Tivoli Storage Productively Center
Solutions:
| Question 1 Answer: B | Question 2 Answer: C | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: C |
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