In Hadoop, what is the purpose of the DataNode?

How does Hadoop's Secure DataNode Communication enhance the security of a Hadoop cluster?

A

Enforcing access control in Hadoop

B

Ensuring secure communication between DataNodes

C

Configuring SSL/TLS for communication

D

Enforcing access control in Hadoop

What is the purpose of Hadoop's Secure DataNode?

A

Configuring firewall rules for Hadoop nodes

B

Enabling transparent data encryption (TDE)

C

Ensuring secure communication between DataNodes

D

Optimizing data replication in HDFS

In Hadoop, what does the term "DataNode" represent?

A

Manages computation resources

B

Stores and manages data blocks

C

Executes MapReduce jobs

D

Manages HDFS metadata

What does the term "DataNode" refer to in the context of a Hadoop cluster?

A

Node that manages computation resources

B

Node that executes Map tasks

C

Node that stores and manages data

D

Node that manages metadata of HDFS

What is the role of the Hadoop DataNode in the architecture?

A

Manage computation resources

B

Executes MapReduce jobs

C

Manages HDFS metadata

D

Stores and manages data blocks

What is the significance of Hadoop's Secure DataNode Communication in HDFS security?

A

Configuring SSL/TLS for communication

B

Enforcing access control in Hadoop

C

Ensuring secure communication between DataNodes

D

Optimizing data replication in HDFS

In Hadoop, what is the purpose of the Hadoop ResourceManager "Node Label" feature in a Hadoop cluster?

A

Label nodes for specific workloads

B

Execute MapReduce jobs

C

Manage computation resources

D

Manage task execution in MapReduce jobs

In Hadoop, what is the purpose of the Hadoop ResourceManager "Blacklisting" feature in a Hadoop cluster?

A

Manage computation resources

B

Prevent nodes from being used temporarily

C

Manage task execution in MapReduce jobs

D

Manage computation resources

In Hadoop, what is the significance of the Hadoop JobTracker in a Hadoop cluster?

A

Manage metadata of HDFS

B

Manage task execution in MapReduce jobs

C

Execute MapReduce jobs

D

Manage computation resources

In Hadoop, what is the role of the Hadoop ResourceManager "Capacity Scheduler" in a Hadoop cluster?

A

Manage task execution in MapReduce jobs

B

Manage computation resources

C

Allocate resources based on capacity

D

Execute MapReduce jobs

In Hadoop, what is the purpose of the DataNode?

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