BDA_labEx2

What is Hadoop primarily designed for in terms of data processing?

• File storage

• File management

• Data analysis

• Database management

In Hadoop, which component is responsible for storing data across a distributed cluster?234

• Hadoop MapReduce

• Hadoop YARN

• Hadoop HDFS

• Hadoop Pig

In Hadoop, which command is used to add a file to HDFS?

• put

• add

• save

• load

When adding a file to HDFS, which directory is commonly used for user data storage?

• /hadoop

• /data

• /user

• /input

Which command is used to retrieve a file from HDFS to the local file system?

• get

• fetch

• download

• acquire

In Hadoop, what command is used to delete a file from HDFS?

• rm

• delete

• erase

• destroy

Which of the following is a characteristic of HDFS?

• Supports complex SQL queries

• Uses a centralized architecture

• Provides high fault tolerance

• Works only with small files

In HDFS, data is divided into fixed-size blocks. What is the default block size in HDFS?

• 128 MB

• 256 MB

• 64 MB

• 512 MB

Which Hadoop component is responsible for resource management and job scheduling in the cluster?

• Hadoop HDFS

• Hadoop MapReduce

• Hadoop YARN

• Hadoop Hive

What happens when you delete a file in HDFS?

• The file is permanently removed from HDFS.

• The file is moved to a trash directory for recovery.

• The file becomes read-only.

• The file is archived for backup purposes.