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IBM C1000-078 Exam is designed to validate your skills in managing IBM Db2 12 databases across the entire infrastructure stack, including the database subsystem and its infrastructure components, such as storage management, system-level services, and application design. You must be familiar with the latest version of IBM Db2 12 on IBM Z/OS and have a strong understanding of the basic concepts of database administration, programming, storage management, and other relevant areas.

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IBM C1000-078 exam is a comprehensive test that covers a range of topics, including installation and migration, security, performance and tuning, database design and implementation, backup and recovery, and data sharing. Candidates who Pass C1000-078 Exam will have demonstrated their knowledge and ability to work with IBM Db2 12 for z/OS at an expert level and will be well-positioned for careers as database administrators or other related roles within the IT industry.

IBM Db2 12 for z/OS Administrator Sample Questions (Q28-Q33):

NEW QUESTION # 28
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. Specify CURRENTDATA(YES)
B. Specify LBACKOUT=NO
C. Specify LOCKSIZE ANY for DB2 objects
D. Reduce system checkpoint interval

Answer: D

NEW QUESTION # 29
Which of the following is TRUE about the SYSCTRL authority?

A. It is designed to be an administrator in a system with sensitive data
B. It is designed to allow access to all data directly in DB2
C. It is designed so group privileges cannot be granted to SYSCTRL
D. It is designed not to be a part of the administrative authorizations

Answer: A

Explanation:
The SYSCTRL authority is designed for administering a system that contains sensitive data. With the SYSCTRL authority, you have nearly complete control of the DB2?subsystem. However, you cannot access user data directly unless you are explicitly granted the privileges to do so.

NEW QUESTION # 30
Which of the following subsystem parameters is only applicable in a data sharing environment?

A. REFSHAGE
B. RETLWAIT
C. DSMAX
D. TWOACTV

Answer: B

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 # 31
Where is recovery information for table space DSNDB06.SYSTSCPY stored?

A. Log
B. BSDS
C. SYSIBM.SYSCOPY
D. Directory

Answer: B

NEW QUESTION # 32
Which type of trace is used to record transaction-level data that is written when the processing for a transaction is completed?

A. Monitor
B. Audit
C. Accounting
D. Statistics

Answer: B

NEW QUESTION # 33
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