One of the most authoritative exams in the field, the IBM Db2 12 for z/OS Administrator rewards the prepared. ValidVCE prepares you with 62 practice questions for the C1000-078 exam, verified answers included in 2026.
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 |
| Real Exam Qty: | 60-63 |
| Exam Format: | Multiple response, Multiple choice |
| Certificate Validity Period: | No fixed expiration |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Passing Score: | 700/1000 |
| Recommended Training: | IBM Education - Db2 12 for z/OS Administration |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | ![]() |
| Exam Way: | Online remote proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended: experience with z/OS, database concepts, Db2 basics and hands-on administration |
| Official Syllabus URL: | https://www.ibm.com/certify/exam/C1000-078 |
IBM C1000-078 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Security and Authorization | 17% | - Access control
|
| Performance and Tuning | 17% | - Monitoring and optimization
|
| Db2 12 for z/OS Fundamentals and Environment | 15% | - Architecture and components
|
| Database Design and Implementation | 17% | - Object creation and management
|
| Installation, Migration and Configuration | 17% | - Installation procedures
|
| Operation, Maintenance and Recovery | 17% | - Daily operations
|
C1000-078 Exam — Your Questions
Yes — download the free IBM Db2 12 for z/OS Administrator demo and inspect the material before buying. Purchases include the right of free updating for 365 days, with latest versions emailed promptly upon release; renew afterward at 50% off.
USD 200 per attempt, 700/1000 to pass. For busy professionals, one prepared attempt beats two rushed ones — work through the 62 practice questions for the C1000-078 exam at ValidVCE first.
The IBM Db2 12 for z/OS Administrator blueprint covers 6 domains — including Operation, Maintenance and Recovery (17%), Db2 12 for z/OS Fundamentals and Environment (15%), Database Design and Implementation (17%). Budget your limited hours by weighting; the complete outline above lists every subtopic.
Through the vendor's official registration channels:
The IBM Db2 12 for z/OS Administrator is delivered Online remote proctored or onsite at Pearson VUE test centers — pick the arrangement that fits your calendar when booking.
The IBM Db2 12 for z/OS Administrator is IBM's certification exam for IBM Certified Administrator - Db2 12 for z/OS, at the Professional level. It's among the most authoritative credentials in the field — for those aiming at IBM careers, it's the first step.
Files arrive by automatic email within a minute of payment — unlimited devices, and 24/7 customer assisting if nothing shows up within 2 hours (check spam). Need an invoice? Email us your company name for a custom invoice made to your demand. If you fail the corresponding C1000-078 exam within 60 days of purchase, we process a full refund within 7 days — send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Alternatively, exchange for two equal-value products free.
No mandatory prerequisites; recommended: experience with z/OS, database concepts, Db2 basics and hands-on administration Vendors update eligibility rules over time, so verify the current requirements on the official page (official C1000-078 exam page) before registering.
Yes:
Official training teaches; practice proves. After any course, review with the 62 practice questions for the IBM Db2 12 for z/OS Administrator — answers expert-verified.
90 minutes for 60-63 questions. Time-pressed candidates should rehearse the clock: short timed sets on busy days, full simulations on free ones.
IBM Db2 12 for z/OS Administrator Sample Questions:
Which one of the following buffer pool thresholds determines the percentage of the buffer pool that might be occupied by sequentially accessed pages?
- A. VPPSEQT
- B. VPSEQT
- C. VDWQT
- D. DWQT
Correct Answer: B 🗳️
Explanation: Only visible for ValidVCE members. You can sign-up / login (it's free).
Which of the following allows tracking of database administration tasks performed by system DBADMs?
- A. Start the appropriate accounting trace classes and analyze the SMF records
- B. Use the DIAGNOSE utility with option TRACEID
- C. Use the REPORT utility with option TABLESPACESET
- D. Define and start an appropriate audit policy in SYSIBM.SYSAUDITPOLICIES
Correct Answer: B 🗳️
Which one of the following modules, or its equivalent name, is optional for a successful DB2 start?
- A. The default load module (DSNZPARM)
- B. The DB2 connection authorization exit routine (DSN3@ATH)
- C. The user version of the access control authorization exit routine (DSNX@XAC)
- D. The application default load module (DSNHDECP)
Correct Answer: A 🗳️
While processing a DB2 must-complete function, DB2 encountered an error during an attempt to access the required log data sets. Which of the following is TRUE?
- A. The affected page sets will be put into REFP restrictive state
- B. The affected page sets will be put into RESTP restrictive state
- C. DB2 will wait for a reply to message DSNJ154I before retrying the failed log-read request, or before abending
- D. DB2 abends
Correct Answer: C 🗳️
Explanation: Only visible for ValidVCE members. You can sign-up / login (it's free).
At what point in the upgrade process is the catalog migrated to DB2 12?
- A. At the completion of CATMAI NT in function level 500
- B. Completion of DSNTIJTC job
- C. After issuing command -ACTIVATE FUNCTION LEVEL (V12R1M100)
- D. After issuing command -ACTIVATE FUNCTION LEVEL (V12R1M500)
Correct Answer: B 🗳️




