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: Option B
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What is the primary purpose of Hadoop's Kerberos authentication?
A. Ensuring secure communication within the Hadoop cluster
B. Enabling data compression in HDFS
C. Optimizing job performance in MapReduce
D. Managing resource allocation in Hadoop
Which Hadoop component is responsible for managing user authentication and access control?
A. Hadoop Security Manager
B. ResourceManager
C. JobTracker
D. Hadoop Distributed File System (HDFS)
What is the significance of Hadoop's Access Control Lists (ACLs) in terms of security?
A. Enabling parallel processing in MapReduce
B. Optimizing data storage in HDFS
C. Restricting access to specific Hadoop resources
D. Improving network security in Hadoop
How does Hadoop support encryption at rest for data stored in HDFS?
A. Implementing SSL/TLS encryption for data transit
B. Configuring transparent data encryption (TDE)
C. Using IPsec for secure communication
D. None of the above
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