The IBM Db2 12 for z/OS Administrator certification has a strong reputation for a reason — the C1000-078 exam tests applied skills, not memorized definitions. Candidates around the world use Actual4Exams practice questions to close knowledge gaps before test day.
IBM C1000-078 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM Db2 12 for z/OS Administrator |
| Exam Number: | C1000-078 |
| Exam Price: | USD 200 |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Passing Score: | 62% |
| Exam Format: | Multiple Choice |
| Real Exam Qty: | 60 |
| Related Certifications: | IBM Certified Administrator - Db2 12 for z/OS |
| Sample Questions: |  |
| Exam Way: | Pearson VUE testing centers or online proctored |
| Pre Condition: | Basic knowledge of Db2 routines |
| Official Syllabus URL: | https://www.ibm.com/training/certification/ibm-certified-administrator-db2-12-for-zos-C0005400 |
IBM C1000-078 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Distributed Data Access | - Configure Distributed Data Facility (DDF) - Manage distributed connections |
| Topic 2: Db2 12 for z/OS Installation and Migration | - Identify and manage migration steps - Understand the Db2 subsystem parameters (zparms) - Perform initial installation |
| Topic 3: Database Administration | - Manage data sharing - Create and manage DB2 objects - Perform data consistency checks - Manage data sets and storage |
| Topic 4: System Operations and Maintenance | - Manage Db2 commands and traces - Monitor Db2 subsystems - Apply PTFs and maintenance |
| Topic 5: Security and Auditing | - Configure and manage audit policies - Implement RACF integration - Manage security for Db2 objects |
| Topic 6: Performance and Tuning | - Optimize SQL performance - Configure locking strategies - Analyze and tune system performance - Manage buffer pools and EDM pools |
| Topic 7: Backup and Recovery | - Manage logs and recovery datasets - Implement backup and recovery strategies - Perform point-in-time recovery |
C1000-078 Exam FAQ: What Candidates Ask About IBM Db2 12 for z/OS Administrator
The C1000-078 exam, officially known as IBM Db2 12 for z/OS Administrator, is the IBM test that leads to the IBM Certified Administrator certification at the Administrator level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as IBM Certified Administrator - Db2 12 for z/OS.
The C1000-078 exam contains 60 questions, and you have 90 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the C1000-078 exam is 62%, and the official registration fee is USD 200. If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
Basic knowledge of Db2 routines
Entry requirements can change, so confirm the latest conditions on the official exam page: https://www.ibm.com/training/certification/ibm-certified-administrator-db2-12-for-zos-C0005400.
Yes. A free PDF demo of the IBM Db2 12 for z/OS Administrator questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding C1000-078 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official IBM Db2 12 for z/OS Administrator outline is organized into 7 domains. The first three are:
- Distributed Data Access
- Security and Auditing
- Performance and Tuning
See the complete exam topics section above for the full outline and the weighting of every domain.
IBM Db2 12 for z/OS Administrator Sample Questions:
Question 1
Which service class does not have a goal, but runs with a fixed dispatching priority above all of the other work on the system?
A. SYSSTC
B. ONLINE
C. SYSOTHER
D. SYSTEM
Question 2
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. Issue the -MODIFY DDF SESSIDLE command to increase session timeout
B. Change the UTILITY TIMEOUT field (UTIMOUT subsystem parameter)
C. Change the POOL THREAD TIMEOUT field (POOLINAC subsystem parameter)
D. Change the RESOURCE TIMEOUT field (IRLMRWT subsystem parameter)
Question 3
Which utility must be executed before and after running a REORG utility against a system catalog table space to support recovery?
A. MODIFY
B. COPY
C. CHECK DATA
D. RUNSTATS
Question 4
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. Each member performs automatic GRECP recovery
C. No action is needed. The GBP structures are automatically rebuilt in CF02
D. Stop members DB2A and DB2B and initiate a group restart
Question 5
In planning to migrate your system to DB2 12. which actions can check for release dependencies and catalog integrity prior to migration?
A. Run job DSNTIJPM when at DB2 12 Function Level V12R1M100
B. Run job DSNTIJPC from the DB2 11 target libraries before migrating to DB2 12
C. Run DSNTIJPM and DSNTESQ at DB2 11 NFM from the DB2 12 target libraries
D. While still at DB2 11 run the job DSNTIJPM from the DB2 11 target libraries
Solutions:
| Question 1 Answer: A | Question 2 Answer: A | Question 3 Answer: D | Question 4 Answer: A | Question 5 Answer: A |
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