[Oct 27, 2025] Fully Updated IBM Certified Administrator (C1000-078) Certification Sample Questions
Latest IBM C1000-078 Real Exam Dumps PDF
NEW QUESTION # 17
Which technique is best suited to determine whether a bigger VPSIZE for a buffer pool could be beneficial?
- A. Analyze performance trace records
- B. Analyze accounting trace records
- C. Analyze buffer pool simulation results
- D. Analyze the contents of table SYSIBM.SYSTABLESPACESTATS
Answer: B
NEW QUESTION # 18
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 STATS command to identify the workload which is causing the high CPU
- B. Start a system-wide performance trace to identify the workload which is causing the high CPU
- C. Check that the WLM settings are set correctly
- D. Execute a -DISPLAY TRACED command to check if there are additional traces running or if the global trace is on
Answer: B
NEW QUESTION # 19
During DB2 restart, it is observed that it takes a significant amount of time to complete. Which of the following could be tuned to improve restart time?
- A. Reduce system checkpoint interval
- B. Specify LOCKSIZE ANY for DB2 objects
- C. Specify LBACKOUT=NO
- D. Specify CURRENTDATA(YES)
Answer: A
NEW QUESTION # 20
In planning to migrate your system to DB2 12. which actions can check for release dependencies and catalog integrity prior to migration?
- A. Run DSNTIJPM and DSNTESQ at DB2 11 NFM from the DB2 12 target libraries
- B. Run job DSNTIJPC from the DB2 11 target libraries before migrating to DB2 12
- C. While still at DB2 11 run the job DSNTIJPM from the DB2 11 target libraries
- D. Run job DSNTIJPM when at DB2 12 Function Level V12R1M100
Answer: D
NEW QUESTION # 21
Which of the following is an advantage of role-based security?
- A. Within a trusted connection. DB2 allows multiple roles to be associated with any given thread at any point in time
- B. If you DROP a role that owns objects, those objects will also be dropped
- C. If a role creates an object, a user requires no additional privileges to access the object if the access uses that role as the object owner in the SQL statement
- D. Roles are used to provide a more flexible technique than security group definitions or userids in assigning and controlling authorization
Answer: B
NEW QUESTION # 22
Considering the following command:
-STOP DDF MODE(SUSPEND)
Which of the following, pertaining to DDF connections in a two-way data sharing environment, is TRUE?
- A. It stops the DDF on the current member of the data sharing group if DDF has already been started
- B. It stops the DDF on all the members of the data sharing group where DDF has already been started
- C. It terminates currently executing distributed threads on the current member of the data sharing group
- D. It suspends DDF threads by preventing the outbound DDF work
Answer: D
NEW QUESTION # 23
With which authority can you create, display, activate, or inactivate DB2 audit policies?
- A. SECADM
- B. SYSOPR
- C. SYSCTRL
- D. SYSADM
Answer: C
NEW QUESTION # 24
When must the IRLM address space be active?
- A. After startup of DB2
- B. At the first lock request
- C. At the first concurrent lock situation
- D. During start of DB2
Answer: C
NEW QUESTION # 25
Which of the following utilities would produce information needed to identify UNDO information for a transaction?
- A. DSN1LOGP
- B. DSNJU004
- C. DSNJLOGF
- D. DSNJU003
Answer: D
NEW QUESTION # 26
For best DB2 lock avoidance, which of the following BIND/REBIND options should be included in the REBIND command execution?
- A. CURRENTDATA(NO)ISOLATION(CS)
- B. ACQUIRE(USE)ISOLATION(RR)
- C. ACQUIRE(USE)ISOLATION(CS)
- D. CURRENTDATA(YES) ISOLATION(CS)
Answer: A
NEW QUESTION # 27
Which subsystem parameter specifies whether DB2 is to create new table spaces and indexes to use a basic or extended log record format?
- A. UTILITY OBJECT CONVERSION
- B. EXTSEC
- C. CHKLOGR
- D. OBJECT_CREATE_FORMAT
Answer: D
NEW QUESTION # 28
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. SYSOTHER
- B. SYSSTC
- C. SYSTEM
- D. ONLINE
Answer: B
NEW QUESTION # 29
One DB2 catalog page set is corrupt and needs to be recovered to current. Which of the following is TRUE?
- A. Only the corrupt page set needs to be recovered
- B. The catalog and directory always needs to be recovered as a whole in a certain order
- C. The corrupt page set, and all of the page sets that are required prior to this, must be recovered in a certain order
- D. The catalog always needs to be recovered as a whole in a certain order
Answer: D
NEW QUESTION # 30
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. DB2 abends
- B. The affected page sets will be put into REFP restrictive state
- C. The affected page sets will be put into RESTP restrictive state
- D. DB2 will wait for a reply to message DSNJ154I before retrying the failed log-read request, or before abending
Answer: D
Explanation:
While processing a Db2 must-complete function, Db2 encountered an error during an attempt to access the required log data sets.
CONNECTION-ID, CORRELATION-ID, and LUWID together identify the thread associated with the request. token is a unique token number associated with the LUWID. reason-code identifies the most recent log-read failure.
System action
The DSNJ154I message requests to retry the log-read request, and immediately follows this error message. Db2 will wait for a reply to message DSNJ154I before retrying the failed log-read request, or before abending.
This message is non-scrollable. It remains highlighted on the console until you take the appropriate action.
NEW QUESTION # 31
Beginning with function level V12R1M500. what would be the maximum data set size of an active log?
- A. 768 GB
- B. 4 GB
- C. 123 GB
- D. 255 GB
Answer: D
NEW QUESTION # 32
Which subsystem parameter sets the maximum number of concurrent inbound DDF connections that are to be allowed?
- A. CONDBAT
- B. MAXKEEPD
- C. MAXDBAT
- D. CTHREAD
Answer: B
NEW QUESTION # 33
Which lEAOPTxx parameter and value determines that processes will be routed from zllP to general processors when the zllP engines have no more capacity?
- A. IFAHONORPRIORITY = NO
- B. IIPHONORPRIORITY = NO
- C. IIPHONORPRIORITY = YES
- D. IFAHONORPRIORITY = YES
Answer: A
NEW QUESTION # 34
Which utility must be executed before and after running a REORG utility against a system catalog table space to support recovery?
- A. MODIFY
- B. CHECK DATA
- C. RUNSTATS
- D. COPY
Answer: C
NEW QUESTION # 35
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. RLFERR
- C. RLFERRSTC
- D. RLFERRDSTC
Answer: D
NEW QUESTION # 36
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C1000-078 Practice Test Questions Updated 62 Questions: https://drive.google.com/open?id=1dI8-Tp5XpIHkJcUmQAxqjQjDdvCiIZk-