Exam Name: DB2 12 System Administrator for z/OS
Certification Provider: IBM
Corresponding Certification: IBM Data and AI
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Updated: Oct 18, 2026
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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 |
| Related Certifications: | IBM Db2 for z/OS Database Administrator |
| Passing Score: | 42 out of 60 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 60 |
| Exam Format: | Multiple Choice Questions |
| Available Languages: | English |
| Exam Price: | $200 USD |
| Exam Registration: | IBM Certification Portal Pearson VUE IBM Exams |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or test center (Pearson VUE) |
| Pre Condition: | Recommended experience with Db2 for z/OS administration, SQL, and basic z/OS knowledge |
| Official Syllabus URL: | https://www.ibm.com/training/certification/ibm-certified-administrator-db2-12-for-zos-C0005400 |
IBM C2090-318 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Operation and Recovery | 20% | - Database operations and utilities
|
| Topic 2: Installation and Migration | 9% | - System setup and upgrade
|
| Topic 3: Database Design and Implementation | 22% | - Logical and physical database design
|
| Topic 4: Performance | 21% | - Tuning and optimization
|
| Topic 5: Additional Database Functionality | 9% | - Advanced Db2 features
|
| Topic 6: Distributed Access | 9% | - Distributed database connectivity
|
| Topic 7: Security and Auditing | 10% | - Authorization and access control
|
Answers to Your IBM DB2 12 System Administrator for z/OS Questions
Registration is handled through the official channels below:
Set up your account, pick a test center or online session, and secure your date early — slots near application deadlines go quickly.
IBM states the following prerequisites for the IBM DB2 12 System Administrator for z/OS: Recommended experience with Db2 for z/OS administration, SQL, and basic z/OS knowledge.
Requirements can be updated, so verify them on the official certification page before you book.
The current exam information lists 60 questions for the C2090-318 exam, with 90 minutes minutes to complete them. Rehearsing under a timer at home makes that limit feel routine instead of rushed.
Our aftersales commitment includes a clear safety net. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; verified claims are refunded in full within seven days. The exclusions are simple: exams taken within three days of purchase are not covered, the candidate name must match the payer, and free or expired products are ineligible. Alternatively, you may exchange the product for two others of equal value at no cost.
These are the main domains of the IBM DB2 12 System Administrator for z/OS blueprint:
- Database Design and Implementation (22%)
- Security and Auditing (10%)
- Operation and Recovery (20%)
The official outline continues with further domains — all covered in our question bank.
IBM recommends these official training resources:
- Db2 12 for z/OS Basic Database Administration (CV844G)
- Db2 12 for z/OS Advanced Database Administration (CV880G)
- Db2 12 for z/OS SQL Performance and Tuning (CV964G)
Pair whichever course matches your background with steady question practice for the strongest preparation.
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Because the quality is built in, not claimed. Professional experts and advisors compile the C2090-318 bank against the real exam's format and objectives, hard-to-answer points receive careful expert-verified coverage, and the writing stays easy to comprehend for candidates at every level. Behind the content sits well-advised aftersales service: a strictly trained, patient support team available 24/7, an open ear for constructive feedback, a free demo before purchase, and 365 days of free updates after it.
Currently, the C2090-318 exam requires a passing score of 42 out of 60, and the registration fee is $200 USD. These are IBM's figures and may be revised, so confirm them on the official site before scheduling.
IBM DB2 12 System Administrator for z/OS Sample Questions:
Which of the following is required to successfully issue the -ACTIVATE command in a data sharing environment?
- A. The command must be issued with installation SYSADM authority
- B. All active members must be running DB2 12
- C. The member on which the command is issued must be started in maintenance mode
- D. Only one member may be active when the command is issued
Correct Answer: A 🗳️
Which subsystem parameter specifies the action that DB2 takes when a problem occurs with the resource limit specification table during execution of a local, static SQL statement?
- A. RLFERRD
- B. RLFERRSTC
- C. RLFERRDSTC
- D. RLFERR
Correct Answer: B 🗳️
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DB2A and DB2B are in the same data sharing group on separate LPARs There are two coupling facilities CF01 and CF02. CF01 contains the Lock and SCA structures and CF02 contains the GBP structures. The group buffer pools are not duplexed. The structures can reside on either CF01 or CF02 as specified in the CRFM policy PREFLIST and AUTOREC is set to YES.
CF02 fails and DB2A or DB2B can no longer connect to it. Once they are able to reconnect, what action is necessary in order to minimize loss of data availability?
- A. Manually rebuild the GBP structures on CF01
- B. No action is needed. The GBP structures are automatically rebuilt in CF02
- C. Stop members DB2A and DB2B and initiate a group restart
- D. No action is needed. Each member performs automatic GRECP recovery
Correct Answer: A 🗳️
Which of the following can be accomplished by altering a table to use column access control?
- A. Pre-materialize a view with the changed values provided by the column mask
- B. Modify the values returned for table columns based on column masking definitions
- C. Hide column definitions from the DB2 catalog table SYSIBM.SYSCOLUMNS
- D. Restrict the access to specific rows for all or some users
Correct Answer: B 🗳️
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 UTILITY TIMEOUT field (UTIMOUT subsystem parameter)
- B. Change the RESOURCE TIMEOUT field (IRLMRWT subsystem parameter)
- C. Issue the -MODIFY DDF SESSIDLE command to increase session timeout
- D. Change the POOL THREAD TIMEOUT field (POOLINAC subsystem parameter)
Correct Answer: D 🗳️
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