log4j Online Quiz


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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.

Questions and Answers

Answer : D

Explanation

threshold − Appender can have a threshold level associated with it independent of the logger level. The Appender ignores any logging messages that have a level lower than the threshold level.

Q 4 - Which of the following level designates potentially harmful situations?

A - OFF

B - TRACE

C - WARN

D - ALL

Answer : C

Explanation

WARN − Designates potentially harmful situations.

Answer : A

Explanation

x − Used to output the NDC (nested diagnostic context) associated with the thread that generated the logging event.

Answer : C

Explanation

threshold − The threshold level for this appender.

Q 8 - Which of the following DatePattern configuration of DailyRollingFileAppender rolls over the logs every minute?

A - '.' yyyy-MM-dd-HH-mm

B - '.' yyyy-MM-dd

C - '.' yyyy-MM-dd-a

D - '.' yyyy-MM-dd-HH

Answer : A

Explanation

'.' yyyy-MM-dd-HH-mm − Roll over every minute.

Q 9 - The Appender object is responsible for publishing logging information to various preferred destinations such as a database, file, console, UNIX Syslog, etc.

A - false

B - true

Answer : B

Explanation

true − The Appender object is responsible for publishing logging information to various preferred destinations such as a database, file, console, UNIX Syslog, etc.

Q 10 - The Level object defines the granularity and priority of any logging information.

A - true

B - false

Answer : A

Explanation

true − The Level object defines the granularity and priority of any logging information. There are seven levels of logging defined within the API: OFF, DEBUG, INFO, ERROR, WARN, FATAL, and ALL.

log4j_questions_answers.htm
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