- log4j Tutorial
- log4j - Home
- log4j - Overview
- log4j - Installation
- log4j - Architecture
- log4j - Configuration
- log4j - Sample Program
- log4j - Logging Methods
- log4j - Logging Levels
- log4j - Log Formatting
- log4j - Logging in Files
- log4j - Logging in Database
- log4j Useful Resources
- log4j - Questions and Answers
- log4j - Quick Guide
- log4j - Useful Resources
- log4j - Discussion
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
log4j Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to log4j Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Which of the following is correct about log4j?
B - It is optimized for speed.
Answer : D
Explanation
All of the above options are correct.
Q 2 - Which of the following is correct about level in Appender?
B - The level may be a console, a file, or another item depending on the appender.
C - The level is required to control the filtration of the log messages.
D - Appender can have a level associated with it independent of the logger level.
Answer : C
Explanation
level − The level is required to control the filtration of the log messages.
Q 3 - Which of the following is correct about filter in Appender?
B - The filter may be a console, a file, or another item depending on the appender.
C - The filter is required to control the filtration of the log messages.
D - Appender can have a filter associated with it independent of the logger level.
Answer : A
Explanation
filter − The Filter objects can analyze logging information beyond level matching and decide whether logging requests should be handled by a particular Appender or ignored.
Q 4 - Which of the following level designates finer-grained informational events than the DEBUG?
Answer : B
Explanation
TRACE − Designates finer-grained informational events than the DEBUG.
Q 5 - What is the purpose of F character used in the conversionPattern of PatternLayout object?
A - Used to output the category of the logging event.
B - Used to output the fully qualified class name of the caller issuing the logging request.
C - Used to output the date of the logging event.
D - Used to output the file name where the logging request was issued.
Answer : D
Explanation
F − Used to output the file name where the logging request was issued.
Q 6 - Which of the following is correct about org.apache.log4j.HTMLLayout class?
B - It provides the name of the thread that invoked the logging request.
C - It provides the level associated with this logging request.
Answer : D
Explanation
All of the above options are correct.
Q 7 - What is the purpose of Filename configuration of FileAppender?
A - output stream to the file being flushed with each append operation.
B - to set the platform-specific encoding scheme.
Answer : D
Explanation
Filename − The name of the log file.
Q 8 - Which of the following DatePattern configuration of DailyRollingFileAppender rolls over the logs on the first day of each week depending upon the locale?
Answer : B
Explanation
'.' yyyy-ww − Roll over on the first day of each week depending upon the locale.
Q 9 - What is the purpose of driver configuration of JDBCAppender?
A - to set the driver class to the specified string.
B - to set the database password.
C - to specify the SQL statement to be executed every time a logging event occurs.
Answer : A
Explanation
driver − Sets the driver class to the specified string. If no driver class is specified, it defaults to sun.jdbc.odbc.JdbcOdbcDriver.
Answer : A
Explanation
true − The LogManager object manages the logging framework. It is responsible for reading the initial configuration parameters from a system-wide configuration file or a configuration class.