Security in Hadoop MCQ question and answer with solution

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What is the purpose of Hadoop's HDFS Snapshot in the context of security?

A) Creating point-in-time copies of HDFS directories B) Enhancing data replication in HDFS C) Improving the performance of MapReduce jobs D) Implementing role-based access control

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

How does Hadoop's Knox Gateway contribute to securing REST APIs in a Hadoop cluster?

A) Managing user authentication in Hadoop B) Enforcing data compression in HDFS C) Optimizing data replication in HDFS D) Providing authentication and gateway services

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the role of Hadoop's DelegationToken in a secured Hadoop environment?

A) Accelerating data replication in HDFS B) Enabling speculative execution in MapReduce C) Providing a secure token for client-server communication D) Configuring firewall rules for Hadoop nodes

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is the purpose of Hadoop's HDFS Encryption Zone in a secured Hadoop environment?

A) Configures SSL/TLS for communication B) Enforces access control in Hadoop C) Allows for selective encryption of specific directories D) Optimizes data replication in HDFS

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

How can Hadoop's Kerberos-based authentication improve the security of a Hadoop cluster?

A) Accelerating data replication in HDFS B) Enabling speculative execution in MapReduce C) Configuring firewall rules for Hadoop nodes D) Ensuring secure communication within the Hadoop cluster

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the purpose of Hadoop's Knox Gateway in a Hadoop security context?

A) Providing a single entry point for Hadoop cluster access B) Optimizing data replication in HDFS C) Enabling speculative execution in MapReduce D) Managing user authentication in Hadoop

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

How does Hadoop support encryption in transit for data transmitted between nodes in a cluster?

A) Running Hadoop in an open network mode B) Increasing the block size in HDFS C) Disabling encryption for Hadoop nodes D) Enabling SSL/TLS for communication

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the significance of Hadoop's Knox Gateway in securing Hadoop REST APIs?

A) Accelerates MapReduce job execution B) Enforces data compression in HDFS C) Provides authentication and gateway services D) Manages user authentication in Hadoop

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

How does Hadoop's HDFS Trash feature contribute to security?

A) Enables transparent data encryption (TDE) B) Provides a temporary storage for deleted files C) Configures SSL/TLS for communication D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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Security in Hadoop MCQ question and answer with solution | Hadoop MCQs