In Hadoop, what is the function of the NameNode in the Hadoop Distributed File System (HDFS)?

In Hadoop, what is the function of the Hadoop NameNode in the Hadoop Distributed File System (HDFS)?

A

Execute MapReduce jobs

B

Manage metadata of HDFS

C

Manage computation resources

D

Execute MapReduce jobs

What is the primary role of the Hadoop NameNode in the Hadoop Distributed File System (HDFS)?

A

Manage computation resources

B

Execute MapReduce jobs

C

Manage metadata of HDFS

D

Store intermediate data

What is the main purpose of the Hadoop Distributed File System (HDFS) in a Hadoop ecosystem?

A

Real-time data processing

B

Data storage and retrieval

C

Data visualization

D

Data encryption

In Hadoop, what is the purpose of the Hadoop Distributed File System (HDFS)?

A

Real-time data processing

B

Store and manage large volumes of data

C

Distribute computation resources

D

Manage configuration files

When a client contacts the namenode for accessing a file, the namenode responds with

A

size of the file requested

B

block id and hostname of all the data nodes containing that block

C

block id of the file requested

D

all of the above

What is the main function of the Hadoop Distributed File System (HDFS)?

A

Real-time data processing

B

Store and manage large volumes of data

C

Distribute computation resources

D

Manage configuration files

What is the role of the Hadoop Secondary NameNode in HDFS?

A

Manage computation resources

B

Store a backup of the entire HDFS metadata

C

Failover for the NameNode

D

Manage ZooKeeper configurations

What is the significance of the Hadoop NameNode High Availability (HA) feature in HDFS?

A

Ensure availability of intermediate data

B

Ensure availability of task execution

C

Ensure availability of computation resources

D

Ensure availability of metadata

What is the significance of the Hadoop Distributed File System (HDFS) in the architecture?

A

Data storage and management

B

Resource management

C

Data processing

D

Workflow automation

What is the primary role of a "Data Node" in the Hadoop Distributed File System (HDFS)?

A

Storing metadata

B

Managing job scheduling

C

Storing and managing data blocks

D

Managing data visualization

In Hadoop, what is the function of the NameNode in the Hadoop Distributed File System (HDFS)?

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