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IBM Db2 12 for z/OS platform is a powerful database management system that can be used to support a variety of enterprise applications. As an administrator of this platform, you will be responsible for managing the system's various components, including its storage management subsystems, logging and recovery subsystems, and security features.
IBM C1000-078 Exam is a challenging test that requires significant preparation and study. Candidates should have a strong understanding of Db2 12 database administration and should be familiar with the tools and techniques used in this field. To prepare for the exam, candidates should study the exam objectives, review sample questions, and complete practice exams.
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IBM C1000-078 certification exam is an essential certification for professionals who are interested in becoming experts in IBM Db2 12 for z/OS administration. IBM Db2 12 for z/OS Administrator certification provides professionals with the necessary skills and knowledge to manage and administer IBM Db2 12 for z/OS databases, and it is highly valued in the IT industry. Candidates who Pass C1000-078 Exam will have excellent career opportunities and will be recognized as experts in the field of database administration.
IBM Db2 12 for z/OS Administrator Sample Questions (Q22-Q27):
NEW QUESTION # 22
When using a persistent thread bound with RELEASE(DEALLOCATE), which subsystem parameter setting will permit a REBIND PACKAGE at a COMMIT or ROLLBACK in this thread?
- A. BINDNV=BIND
- B. ABIND=COEXIST
- C. APPLCOMPAT=YES
- D. PKGREL COMMIT=YES
Answer: C
NEW QUESTION # 23
Which of the following subsystem parameters is only applicable in a data sharing environment?
- A. RETLWAIT
- B. TWOACTV
- C. DSMAX
- D. REFSHAGE
Answer: A
Explanation:
This value is only significant in a data sharing environment. It indicates how long a transaction should wait for a lock on a resource if another DB2 in the data sharing group has failed and is holding an incompatible lock on that resource. Locks held by failed DB2 members are called retained locks. This value is a multiplier that is applied to the connection's normal timeout value.
For example, if the retained lock multiplier is 2, then the timeout period for a call attachment connection that is waiting for a retained lock is twice the normal CAF timeout period. The default is 0, meaning applications do not wait for incompatible retained locks, the lock request is immediately rejected and the application receives a "resource unavailable" SQLCODE.
Install parameter RETAINED LOCK TIMEOUT on panel DSNTIPI, or ZPARM RETLWAIT in DSN6SPRM. This value is only significant in a data sharing environment. It indicates how long a transaction should wait for a lock on a resource if another DB2 in the data sharing group has failed and is holding an incompatible lock on that resource. Locks held by failed DB2 members are called retained locks. This value is a multiplier that is applied to the connection's normal timeout value. For example, if the retained lock multiplier is 2, then the timeout period for a call attachment connection that is waiting for a retained lock is twice the normal CAF timeout period.
The default is 0, meaning applications do not wait for incompatible retained locks, the lock request is immediately rejected and the application receives a "resource unavailable" SQLCODE.
NEW QUESTION # 24
To initiate a system checkpoint without modifying the current LOGLOAD value, which of the following should be issued?
- A. -SET LOG BOTH
- B. -SET LOG RESUME
- C. -SET LOG BOTH CHKTIME(10) LOGLOAD(500000)
- D. -SETLOGLOGLOAD(O)
Answer: D
NEW QUESTION # 25
Which one of the following modules, or its equivalent name, is optional for a successful DB2 start?
- A. The DB2 connection authorization exit routine (DSN3@ATH)
- B. The user version of the access control authorization exit routine (DSNX@XAC)
- C. The default load module (DSNZPARM)
- D. The application default load module (DSNHDECP)
Answer: C
NEW QUESTION # 26
Which DB2 command is used to force a physical open of a table space, index space, or partition, or remove the GBP-dependent status for a table space, index space, or partition?
- A. -DISPLAY DATABASE
- B. -ACCESS DATABASE
- C. -START DATABASE
- D. -STOP DATABASE
Answer: B
Explanation:
The Db2 command ACCESS DATABASE forces a physical open of a table space, index space, or partition, or removes the GBP-dependent status for a table space, index space, or partition, or externalizes the real-time statistics and optimizer statistics recommendations from in-memory blocks to the appropriate catalog tables. The MODE keyword specifies the desired action.
NEW QUESTION # 27
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