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IBM C2090-318 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | DB2 12 System Administrator for z/OS |
| Exam Number: | C2090-318 |
| Real Exam Qty: | 60 - 63 |
| Passing Score: | 62% - 67% |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 75 - 90 |
| Exam Format: | Multiple choice |
| Exam Price: | 200 USD |
| Available Languages: | English |
| Recommended Training: | IBM Education: DB2 12 for z/OS Administration |
| Exam Registration: | Pearson VUE Registration IBM Certification Portal |
| Sample Questions: |  |
| Exam Way: | Online proctored or onsite at Pearson VUE authorized test centers |
| Pre Condition: | No formal prerequisites; recommended 6–12 months hands-on experience with DB2 12 for z/OS and z/OS environment knowledge |
| Official Syllabus URL: | https://www.ibm.com/certify/exam.html?id=C2090-318 |
IBM C2090-318 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Performance and Tuning | 10% | - Buffer pool and memory tuning - Concurrency and locking management - Index and storage optimization |
| Backup, Recovery and High Availability | 14% | - Disaster recovery concepts - Data sharing availability and failover - Point-in-time recovery - Backup and restore strategies |
| Operations, Monitoring and Utilities | 22% | - Monitoring threads, buffers and logs - Diagnostic tools and traces - DB2 commands and execution - Utility usage: LOAD, REORG, RUNSTATS, COPY |
| Installation, Migration and Maintenance | 18% | - Managing DB2 objects and storage - Applying maintenance and PTFs - Migration to DB2 12 for z/OS - Installation and setup procedures |
| Security and Authorization | 16% | - External security and trusted contexts - Auditing and compliance - Privileges, authorities and roles - Row and column access control |
| DB2 Architecture and Subsystem | 20% | - Subsystem parameters and configuration - Catalog and directory structure - Data sharing environment and structures - DB2 12 components and address spaces |
Candid Answers About the IBM DB2 12 System Administrator for z/OS Exam
Sign up through IBM's official registration channels:
The exam itself is delivered via Online proctored or onsite at Pearson VUE authorized test centers, so pick the delivery option that suits you when booking.
No formal prerequisites; recommended 6–12 months hands-on experience with DB2 12 for z/OS and z/OS environment knowledge These requirements belong to IBM and may be revised, so check the current rules on the official exam page: https://www.ibm.com/certify/exam.html?id=C2090-318 before committing to a IBM DB2 12 System Administrator for z/OS registration.
The IBM DB2 12 System Administrator for z/OS exam contains 60 - 63 questions within 75 - 90. Knowing the content matters, but the clock decides who finishes — practice committing and moving on. Full-length timed sessions in the TestsDumps test engine are the most direct way to rehearse that discipline before the real C2090-318 exam.
IBM spreads the IBM DB2 12 System Administrator for z/OS syllabus over 6 areas, with Performance and Tuning (10%), Security and Authorization (16%), DB2 Architecture and Subsystem (20%) carrying the most weight. Study proportionally to those shares — the complete outline is in the section above this page.
Yes — TestsDumps offers a free demo with real IBM DB2 12 System Administrator for z/OS sample questions and answers. Download it first; purchase the full product only when you are satisfied with what you see. After buying, 365 days of free updates are included — once that year ends, renew the update service at a 50% discount from your member zone.
The C2090-318 exam is IBM's official certification test — pass it and the IBM Certified System Administrator - DB2 12 for z/OS certificate is yours, a credential at the Professional level. It exists to measure practical IT skills objectively, which is why hiring managers treat it as a reliable benchmark — and why candidate numbers keep rising.
One IBM DB2 12 System Administrator for z/OS attempt costs 200 USD, with 62% - 67% required to pass. Retakes charge the full fee again, so passing on your own terms means walking in overprepared. Use TestsDumps practice questions until timed mock scores clear 62% - 67% comfortably, then book the C2090-318 exam.
What if I fail the IBM DB2 12 System Administrator for z/OS exam — and how is the product delivered?
Two steps complete your order, and your C2090-318 product is emailed to your mailbox within one minute of payment — download the attachment and start studying. If nothing arrives within 2 hours, check spam and contact support for an immediate resend. On failure: the refund policy applies when you sat the corresponding C2090-318 exam within 60 days of purchase. Submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam, and the refund is processed within 7 days. Excluded are attempts within 3 days of purchase, exams never actually taken, free materials, and expired orders — and the candidate name must match the payer name. Prefer to continue preparing? Exchange your product for two free exam products of equal value, keeping the update service on your original purchase.
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IBM DB2 12 System Administrator for z/OS Sample Questions:
Before execution of the CHECK DATA utility, which of the following should be performed?
- A. Start the object in question with FORCE to remove any CHECK PENDING status
- B. Execute CHECK INDEX on the primary key and foreign key indexes
- C. Alter the object to remove any table or referential constraint definitions
- D. Execute the REPAIR utility with SET NOCHECKPEND
Correct Answer: B 🗳️
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Which one of the following buffer pool thresholds determines the percentage of the buffer pool that might be occupied by sequentially accessed pages?
- A. DWQT
- B. VPPSEQT
- C. VPSEQT
- D. VDWQT
Correct Answer: C 🗳️
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A down level page set is identified by the following error message:
DSNB232I UNEXPECTED DATA SET LEVEL ID ENCOUNTERED
Which of the following should be performed to correct the condition?
- A. Execute a REORG on the object in question
- B. Execute a REPAIR DBD REBUILD on the object
- C. Stop the object, set the DLDFREQ subsystem parameter to OFF. and then restart the object in RW status
- D. Replace the object with an appropriate data set at the proper level and confirm with DSN1PRNT of the header page
Correct Answer: B 🗳️
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The remote clients are receiving SQLCODE -30062 RDB ACCESS FAILURE, which means access to the database failed because the session data is expired. How can you increase the number of minutes that applications can remain inactive before the associated session data token becomes invalid because of timeout?
- A. Change the POOL THREAD TIMEOUT field (POOLINAC subsystem parameter)
- B. Issue the -MODIFY DDF SESSIDLE command to increase session timeout
- C. Change the RESOURCE TIMEOUT field (IRLMRWT subsystem parameter)
- D. Change the UTILITY TIMEOUT field (UTIMOUT subsystem parameter)
Correct Answer: A 🗳️
Which DB2 command is used to force a physical open of a table space, index space, or partition, or remove the GBP-dependent status for a table space, index space, or partition?
- A. -DISPLAY DATABASE
- B. -START DATABASE
- C. -ACCESS DATABASE
- D. -STOP DATABASE
Correct Answer: C 🗳️
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