Learn with IBM : C1000-078 training material for 100% pass
Updated: Aug 13, 2026
No. of Questions: 62 Questions & Answers with Testing Engine
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IBM C1000-078 Exam Overview:
| Certification Vendor: | IBM |
| Exam Name: | IBM Db2 12 for z/OS Administrator |
| Exam Number: | C1000-078 |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple choice |
| Available Languages: | English |
| Related Certifications: | IBM Db2 12 for z/OS Family Certifications |
| Recommended Training: | IBM Db2 12 for z/OS Administration Training |
| Exam Registration: | IBM Certification Portal Pearson VUE IBM Exams |
| Sample Questions: | IBM C1000-078 Sample Questions |
| 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 |
IBM C1000-078 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Security and Authorization | - Privileges, roles, and access control - Authentication and authorization models |
| Topic 2: Db2 12 for z/OS Architecture and Installation | - Db2 subsystem components and architecture - Installation and migration considerations |
| Topic 3: Backup, Recovery, and Data Integrity | - Backup utilities and procedures - Recovery strategies and logging |
| Topic 4: Performance Monitoring and Tuning | - Subsystem monitoring and optimization - Query performance analysis |
| Topic 5: Database Design and Objects | - Tables, indexes, and storage structures - Schema design and object management |
IBM Db2 12 for z/OS Administrator Sample Questions:
1. Which one of the following modules, or its equivalent name, is optional for a successful DB2 start?
A) The user version of the access control authorization exit routine (DSNX@XAC)
B) The application default load module (DSNHDECP)
C) The default load module (DSNZPARM)
D) The DB2 connection authorization exit routine (DSN3@ATH)
2. Which of the following allows tracking of database administration tasks performed by system DBADMs?
A) Define and start an appropriate audit policy in SYSIBM.SYSAUDITPOLICIES
B) Use the DIAGNOSE utility with option TRACEID
C) Use the REPORT utility with option TABLESPACESET
D) Start the appropriate accounting trace classes and analyze the SMF records
3. Which of the following catalog or directory table spaces maintain their recovery information in the DB2 log?
A) DSNDB06.SYSDDF
B) DSNDB01.SYSLGRNX
C) DSNDB01.SYSUTILX
D) DSNDB01.SYSSPT01
4. CPU utilization for a DB2 subsystem suddenly increased by approximately 20% and is still at this high level after 24 hours. No increase in workload was expected. What would be the most efficient analysis to perform?
A) Execute a -DISPLAY TRACED command to check if there are additional traces running or if the global trace is on
B) Execute a -DISPLAY STATS command to identify the workload which is causing the high CPU
C) Check that the WLM settings are set correctly
D) Start a system-wide performance trace to identify the workload which is causing the high CPU
5. Az/OS system has some storage constraints. The results of-DIS
STATS(INDEXMEMORYUSAGE) shows that a huge amount of storage is used for the fast index traversal processes. What can be done to avoid this storage usage?
A) Set subsystem parameter INDEX_CLEANUP_THREADS to 0
B) Issue SQL statement ALTER INDEX ixname REGENERATE USING APPLICATION COMPATIBILITY V12R1M500 for the listed indexes
C) Reorganize the listed indexes
D) Set subsystem parameter INDEX_MEMORY_CONTROL to DISABLE
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: A |
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