Security in Hadoop MCQ question and answer with solution

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What is the significance of Hadoop's Knox Gateway in a secure Hadoop environment?

A) Accelerating data replication in HDFS B) Enabling speculative execution in MapReduce C) Providing a single entry point for Hadoop cluster access D) Managing 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 Transparent Data Encryption (TDE) enhance security in HDFS?

A) Disabling block-level access control B) Increasing the replication factor of HDFS blocks C) Encrypting data at rest in HDFS D) Enabling speculative execution in MapReduce

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Answer & Solution

Answer: Option C

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

What is the purpose of Hadoop's HDFS Trash feature in a security context?

A) Optimizing data replication in HDFS B) Enabling speculative execution in MapReduce C) Configuring firewall rules for Hadoop nodes D) Providing a temporary storage for deleted files

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Answer & Solution

Answer: Option D

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

How does Hadoop's HDFS Federation contribute to security in a Hadoop cluster?

A) Ensuring secure communication between DataNodes B) Improving data replication in HDFS C) Enabling transparent data encryption (TDE) D) Configuring firewall rules for Hadoop nodes

Discuss

Answer & Solution

Answer: Option A

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

What role does the Hadoop CredentialProvider API play in securing Hadoop credentials?

A) Configuring firewall rules for Hadoop nodes B) Enabling speculative execution in MapReduce C) Accelerating data replication in HDFS D) Safely managing and storing sensitive information

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Answer & Solution

Answer: Option D

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

How can you secure Hadoop's JobHistory Server?

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

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Answer & Solution

Answer: Option C

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

What is the purpose of Hadoop's Audit Logging?

A) Enabling speculative execution in MapReduce B) Capturing and logging security-related events C) Configuring SSL/TLS for communication D) None of the above

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Answer & Solution

Answer: Option B

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

How does Hadoop's HDFS Access Control Lists (ACLs) differ from traditional Unix file permissions?

A) Accelerates MapReduce job execution B) Enforces data compression in HDFS C) Provides more fine-grained access control 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

What is the purpose of Hadoop's Ranger KMS (Key Management Service) in a secure Hadoop setup?

A) Accelerating data replication in HDFS B) Enabling speculative execution in MapReduce C) Configuring firewall rules for Hadoop nodes D) Managing and securing encryption keys

Discuss

Answer & Solution

Answer: Option D

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

How can you secure the communication between a Hadoop client and the ResourceManager?

A) Increasing the ResourceManager's heap size B) Enabling SSL/TLS for communication C) Configuring a public IP for the ResourceManager 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