Last Updated: Aug 31, 2026
No. of Questions: 62 Questions & Answers with Testing Engine
Download Limit: Unlimited
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| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM Db2 12 for z/OS Administrator |
| Exam Number: | C1000-078 |
| Related Certifications: | IBM Db2 12 for z/OS Family Certifications |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple choice |
| Recommended Training: | IBM Db2 12 for z/OS Administration Training |
| Exam Registration: | Pearson VUE IBM Exams IBM Certification Portal |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or test center (Pearson VUE) |
| Pre Condition: | Recommended experience with Db2 for z/OS administration and mainframe database concepts |
| Official Syllabus URL: | https://www.ibm.com/training/certification |
| Section | Objectives |
|---|---|
| Backup, Recovery, and Data Integrity | - Backup utilities and procedures - Recovery strategies and logging |
| Database Design and Objects | - Tables, indexes, and storage structures - Schema design and object management |
| Db2 12 for z/OS Architecture and Installation | - Db2 subsystem components and architecture - Installation and migration considerations |
| Security and Authorization | - Privileges, roles, and access control - Authentication and authorization models |
| Performance Monitoring and Tuning | - Subsystem monitoring and optimization - Query performance analysis |
The IBM Db2 12 for z/OS Administrator exam (exam code C1000-078) is the official IBM exam that leads to the IBM Certified Administrator - Db2 12 for z/OS certification, sitting at the Professional level of the IBM certification track. It is also connected with IBM Db2 12 for z/OS Family Certifications. If this is the credential you are working toward, the 62 practice questions at Actual4Cert map directly to its objectives.
According to IBM, candidates should meet the following before registering: Recommended experience with Db2 for z/OS administration and mainframe database concepts. Requirements can change, so confirm the latest details on the official exam page before you register.
You can register for the IBM Db2 12 for z/OS Administrator exam through the official channels below:
Exam delivery: Online proctored or test center (Pearson VUE).
IBM lists the following official training options for this exam:
Formal training builds the theory; pair it with the 62 practice questions from Actual4Cert to find out whether you are genuinely ready for the exam.
Yes. A free PDF demo of the C1000-078 practice questions is available to download, so you can judge the format and quality before paying anything. Every purchase also includes 365 days of free updates, and if your product expires you can extend the update service at a 50% discount.
Your order is covered by a conditional 100% money-back guarantee: if you take the corresponding exam within 60 days of purchase and do not pass, you may apply for a full refund. Exams taken within 3 days of purchase are not eligible, nor are free materials or expired orders, and the candidate name must match the payer name. To claim, submit a scanned enrollment slip and your official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer to keep studying? You can instead exchange your purchase for two free products of equal value while keeping the update service on your original one. Delivery itself is immediate: your product unlocks for instant download right after payment and a copy is emailed to you within a minute — if nothing arrives within 2 hours, contact our support team. There is no limit on the number of computers you can install it on.
The IBM Db2 12 for z/OS Administrator blueprint is divided into 5 major domains, starting with Database Design and Objects, Security and Authorization, and Db2 12 for z/OS Architecture and Installation. The full breakdown, including every subdomain and its weighting, is listed in the Exam Topics section above — review it against your own weak areas before scheduling the exam.
Question 1
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. Replace the object with an appropriate data set at the proper level and confirm with DSN1PRNT of the header page
B. Execute a REPAIR DBD REBUILD on the object
C. Execute a REORG on the object in question
D. Stop the object, set the DLDFREQ subsystem parameter to OFF. and then restart the object in RW status
Question 2
Given the following scenario: A table has been dropped accidentally and you need to restore the object. DSN1COPY will be used to restore the object but the PSID and the original OBID of the object is not known. Which stand alone utility will allow you to retrieve that information?
A. DSN1LOGP
B. DSNJLOGF
C. DSN1SDMP
D. DSN1PRNT
Question 3
In any disaster recovery scenario, a direct relationship exists between the frequency at which image copies are taken and sent to the recovery site and which of the following?
A. Time spent rebuilding indexes at disaster site
B. The total number of incremental image copies made
C. The ability to perform a RESTORE SYSTEM
D. The amount of data that could potentially be lost
Question 4
Which of the following utilities would produce information needed to identify UNDO information for a transaction?
A. DSN1LOGP
B. DSNJU004
C. DSNJLOGF
D. DSNJU003
Question 5
Before execution of the CHECK DATA utility, which of the following should be performed?
A. Execute CHECK INDEX on the primary key and foreign key indexes
B. Execute the REPAIR utility with SET NOCHECKPEND
C. Alter the object to remove any table or referential constraint definitions
D. Start the object in question with FORCE to remove any CHECK PENDING status
Solutions:
| Question 1 Answer: B | Question 2 Answer: C | Question 3 Answer: D | Question 4 Answer: D | Question 5 Answer: D |
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