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Code d'Examen: A2090-550
Nom d'Examen: IBM (Assessment: IBM solidDB and IBM solidDB Universal Cache)
Questions et réponses: 122 Q&As

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NO.1 Which two are directly visible in solidDB server-side SQL Tracing? (Choose two.)
A. longest lasting statements in duration order
B. timestamps of statement preparation
C. timestamps of individual fetch operations
D. timestamps of individual rpc_session operations.
E. list of statements currently under execution
Answer: B,C

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NO.2 You have setup solidDB Universal Cache such that you have a table DBA.ORG in the
solidDB
front-end, being mirrored to a back-end database. After some time, you notice that the
subscription is Inactive and you try to start Mirroring (Continuous). The subscription state
remains
Inactive and the Event Log shows that the structure of table DBA.ORG has changed. What is
the
recommended course of action?
A. In solidDB, drop the ORG table and recreate it; then restart the subscription.
B. In the backend database, drop the ORG table and recreate it; then restart the subscription.
C. In solidDB, change the table definition to what it was previously; then restart the
subscription.
D. In the Management Console, use the 'Update table definition' option, for the source in the
Table
Mappings area; then restart the subscription.
Answer: D

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NO.3 What are two possible conflict resolution methods between solidDB and a back-end
database?
(Choose two.)
A. Source wins
B. Reference
C. Trigger
D. UserExit
E. Alert user
Answer: A,D

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NO.4 To administer a HotStandby database you need which privilege?
A. Sys_Sync_Admin_Role
B. Sys_Console_Role
C. Sys_Hotstandby_Role
D. Sys_Replication_Role
Answer: B

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NO.5 What are two possible reasons for high latency between a solidDB in-memory cache
and a back-end
database? (Choose two.)
A. Insufficient network bandwidth for the volume of transactions that are being processed.
B. The network connection between the solidDB in-memory cache and the back-end
database is
down.
C. There is database lock contention on the target database.
D. The CDC instances are stopped.
E. Table mappings are not configured properly.
Answer: A,C

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NO.6 What are two effective ways to increase the throughput of replication between the
solidDB in-
memory cache and a back-end database? (Choose two.)
A. Add a summarization column to the source.
B. Use multiple subscriptions instead of just one.
C. Update the mirror_commit_after_max_transactions parameter to a higher value.
D. Ensure that the conflict resolution mechanism is set to "source".
E. Use only the Mirror (Continuous) form of replication.
Answer: B,C

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NO.7 What are two methods for generating a trace file containing database statement
executions
occurring in the solidDB server? (Choose two.)
A. Enable SQL tracing within the solidDB server.
B. Enable ODBC tracing within the solidDB ODBC driver.
C. Enable ODBC tracing within the ODBC Driver Manager.
D. Enable JDBC tracing within the solidDB JDBC driver.
E. Enable JDBC tracing within the JDBC Driver Manager.
Answer: A,C

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NO.8 Which statement regarding IBM solidDB Netbackup is true?
A. One IBM solidDB Netbackup Server can only serve one backup source server.
B. The command ADMIN COMMAND 'netbackup' is supported within the [Srv]At
configuration
parameter.
C. NetBackup copies logical database consisting of multiple files to one flat file to the
NetBackupDirectory by default.
D. If the specified remote directory does not exist, it is not created automatically by the
solidDB
Netbackup Server.
Answer: C

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