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IBM C1000-078 Certification Exam is designed to test the skills and knowledge of professionals who work with the IBM Db2 12 for z/OS database management system. C1000-078 exam is intended for administrators who are responsible for the installation, configuration, and maintenance of Db2 12 environments, as well as those who are involved in the design and implementation of Db2 12 data structures.
Real C1000-078 Dumps - C1000-078 Valid Exam TestDumpStillValid offers the complete package that includes all exam questions conforming to the syllabus for passing the IBM Db2 12 for z/OS Administrator (C1000-078) exam certificate in the first try. These formats of actual IBM C1000-078 Questions are specifically designed to make preparation easier for you.
IBM C1000-078 Exam covers a wide range of topics, including database administration, security, performance tuning, backup and recovery, and high availability. Candidates must demonstrate their proficiency in these areas by passing a rigorous exam that consists of 60 multiple-choice questions. To pass the exam, candidates must score at least 61% in the allotted time of 90 minutes. Those who pass the exam will be awarded the IBM Certified Database Administrator - Db2 12 for z/OS certification, which is recognized as a benchmark of excellence in the industry. IBM Db2 12 for z/OS Administrator Sample Questions (Q31-Q36):NEW QUESTION # 31
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. Issue SQL statement ALTER INDEX ixname REGENERATE USING APPLICATION COMPATIBILITY V12R1M500 for the listed indexes
B. Set subsystem parameter INDEX_MEMORY_CONTROL to DISABLE
C. Reorganize the listed indexes
D. Set subsystem parameter INDEX_CLEANUP_THREADS to 0
Answer: D
NEW QUESTION # 32
Which of the following subsystem parameters is only applicable in a data sharing environment?
A. RETLWAIT
B. REFSHAGE
C. TWOACTV
D. DSMAX
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 # 33
Which of the following is an advantage of role-based security?
A. If you DROP a role that owns objects, those objects will also be dropped
B. Roles are used to provide a more flexible technique than security group definitions or userids in assigning and controlling authorization
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. Within a trusted connection. DB2 allows multiple roles to be associated with any given thread at any point in time
Answer: A
NEW QUESTION # 34
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 terminates currently executing distributed threads on the current member of the data sharing group
C. It stops the DDF on all the members of the data sharing group where DDF has already been started
D. It suspends DDF threads by preventing the outbound DDF work
Answer: D
NEW QUESTION # 35
Which type of trace is used to record transaction-level data that is written when the processing for a transaction is completed?