Tag: technology

Quizzes (307) Questions (36705)

Questions Related to technology

Multiple choice technology databases

Your database is opened in NOARCHIVELOG mode. You decide to place the database in ARCHIEVELOG mode. How would you do this? ( Choose two)

  1. Execute the ALTER DATABASE ARCHIVELOG statement

  2. Select ARCHIVELOG option in database control and restart the database to apply the changes.

  3. Shutdown and restart the instance, and in NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.

  4. Shutdown and restart the instance mount the database and execute the ALTER DATABASE ARCHIVELOG statement.
Reveal answer Fill a bubble to check yourself
B,D Correct answer
Full explanation
Multiple choice technology databases

Suppose you are using three databases, DB01, DB02, and DB03 on different host machines in development environment. The database server configuration such as server IP address and listener Port number changes frequently due to development requirements. And you have the task of notifying the developers of the changes. Which connection method would you use to overcome the overhead?

  1. Host naming

  2. Local naming

  3. Easy Connect

  4. External naming

  5. Directory naming
Reveal answer Fill a bubble to check yourself
E Correct answer
Full explanation
Multiple choice technology databases

In your database server, the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve?

  1. It degrades the run time and compiler performance

  2. It provides better run time and compiler performance

  3. It provides better optimization of the statement during parse time.

  4. It forces the rule based optimizer to be used for statement optimization.

  5. It provides better run time performance, but slightly degraded compiler performance.
Reveal answer Fill a bubble to check yourself
E Correct answer
Full explanation
Multiple choice technology databases

Suppose you are working in a test database where instance recovery takes a considerable amount of time. How can reduce the recovery time? (Choose two)

  1. By multiplexing the control files.

  2. By multiplexing the redo log files.

  3. By decreasing the size of redo log files.

  4. By configuring the Mean Time Recover (MTTR) to a lower value.

  5. By setting UNDO_RETENTION parameter to a higher value.
Reveal answer Fill a bubble to check yourself
C,D Correct answer
Full explanation