How can you secure the communication between nodes in a Hadoop cluster using SASL?
A. Running Hadoop in an open network mode
B. Increasing the block size in HDFS
C. Disabling network encryption for Hadoop nodes
D. Enabling SASL for authentication and encryption
Answer: Option D
This Question Belongs to Hadoop >> Security In Hadoop
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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