Category: Big Data Technology

In ___________ mode, the NameNode will interactively prompt you at the command line about possible courses of action you can take to recover your data.

administrator
In ___________ mode, the NameNode will interactively prompt you at the command line about possible courses of action you can take to recover your data.
recovery
Excellent ! Your Answer is Correct. Explanation: Recovery mode can cause you to lose data, you should always backup your edit log and fsimage before using it.
partial
full
commit

Point out the correct statement.

administrator
Point out the correct statement.
All hadoop commands are invoked by the bin/hadoop script
Excellent ! Your Answer is Correct. Explanation: Running the hadoop script without any arguments prints the description for all commands.
Hadoop has an option parsing framework that employs only parsing generic options
Archive command creates a hadoop archive
All Options are Correct

The standard output (stdout) and error (stderr) streams of the task are read by the TaskTracker and logged to :

administrator
The standard output (stdout) and error (stderr) streams of the task are read by the TaskTracker and logged to :
${HADOOP_LOG_DIR}/userlogs
Excellent ! Your Answer is Correct. The child-jvm always has its current working directory added to the java.library.path and LD_LIBRARY_PATH.
${HADOOP_LOG_DIR}/user
${HADOOP_LOG_DIR}/logs
None of the Option is Correct
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