21. What is the role of the Hadoop Security Manager in a Hadoop cluster? A. Optimizing resource allocation in MapReduce B. Enabling transparent data encryption (TDE) C. Managing user authentication and access control D. Configuring firewall rules for Hadoop nodes Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
22. How can Hadoop mitigate the risk of a Man-in-the-Middle (MITM) attack during data transmission? A. Disabling firewall settings on all nodes B. Enabling SSL/TLS for communication C. Running Hadoop in an open network mode D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
23. 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 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
24. How does Hadoop's HDFS Access Control Lists (ACLs) differ from traditional Unix file permissions? A. Optimizes data replication in HDFS B. Enforces data compression in HDFS C. Accelerates MapReduce job execution D. Provides more fine-grained access control Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
25. What is the purpose of Hadoop's Ranger KMS (Key Management Service) in a Hadoop security setup? A. Managing and securing encryption keys B. Enabling speculative execution in MapReduce C. Increasing the replication factor of HDFS blocks D. Disabling block-level access control Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
26. How can you secure the data stored in HDFS from unauthorized access? A. Disable encryption for HDFS data B. Increase the replication factor of HDFS blocks C. Enable speculative execution in MapReduce D. Set proper permissions using HDFS ACLs Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
27. What is the role of Hadoop's Authentication Proxy in a secure Hadoop environment? A. Managing data replication in HDFS B. Optimizing resource allocation in MapReduce C. Authenticating users accessing the Hadoop cluster D. Enabling cross-cluster communication Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
28. How does Hadoop's Knox Gateway enhance security in a Hadoop cluster? A. Enforces data compression in HDFS B. Provides a secure gateway for external access C. Manages user authentication in Hadoop D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
29. What is the purpose of Hadoop's HDFS Encryption Zones in terms of data security? 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 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
30. How can Hadoop's audit logging be useful in a security context? A. Accelerating data replication in HDFS B. Enabling transparent data encryption (TDE) C. Configuring firewalls for Hadoop nodes D. Capturing and logging security-related events Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board