Q 1 - Which of the following is correct about log4j?

A - It supports multiple output appenders per logger.

B - It is optimized for speed.

C - It is based on a named logger hierarchy.

D - All of the above.

Q 2 - Which of the following is correct about Layout object?

A - The layout layer of log4j architecture provides objects which are used to format logging information in different styles.

B - It provides support to appender objects before publishing logging information.

C - Layout objects play an important role in publishing logging information in a way that is human-readable and reusable.

D - All of the above.

Q 3 - Which of the following is correct about threshold in Appender?

A - Appender uses the threshold and the conversion pattern associated with them to format the logging information.

B - The threshold may be a console, a file, or another item depending on the appender.

C - The threshold is required to control the filtration of the log messages.

D - Appender can have a threshold associated with it independent of the logger level.

Q 4 - Which of the following level designates finer-grained informational events than the DEBUG?

A - OFF

B - TRACE

C - WARN

D - ALL

Q 5 - What is the purpose of l character used in the conversionPattern of PatternLayout object?

A - Used to output location information of the caller which generated the logging event.

B - Used to output the line number from where the logging request was issued.

C - Used to output the application supplied message associated with the logging event.

D - Used to output the method name where the logging request was issued.

Q 6 - What is the intent of %20.30c format modifier?

A - Left pad with spaces if the category name is shorter than 20 characters. However, if the category name is longer than 30 characters, then truncate from the beginning.

B - Right pad with spaces if the category name is shorter than 20 characters. However, if the category name is longer than 30 characters, then truncate from the beginning.

C - Truncate from the beginning if the category name is longer than 20 characters.

D - None of the above.

Q 7 - What is the purpose of fileAppend configuration of FileAppender?

A - logging information to be appended to the end of the same file.

B - to set the buffered writing.

C - to set the buffer size

D - None of the above.

Q 8 - What is the purpose of maxFileSize configuration of RollingFileAppender?

A - to set the critical size of the file above which the file will be rolled.

B - to set the number of backup files to be created.

C - Both of the above.

D - None of the above.

Q 9 - What is the purpose of user configuration of JDBCAppender?

A - to set the jdbc URL.

B - to set the database user name.

C - to specify the SQL statement to be executed every time a logging event occurs.

D - None of the above.

Q 10 - By default, the LogManager looks for a file named log4j.properties in the CLASSPATH.

A - false

B - true