41. What is the role of the Hadoop DataNode in the architecture? A. Manage computation resources B. Executes MapReduce jobs C. Manages HDFS metadata D. Stores and manages data blocks 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
42. What does Hadoop MapReduce provide in terms of processing large datasets? A. Real-time data processing B. Batch processing C. Stream processing D. Graph processing 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
43. Which component is responsible for fault tolerance in Hadoop? A. Secondary NameNode B. ResourceManager C. TaskTracker D. DataNode 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
44. In Hadoop, what is the purpose of the ResourceManager? A. Manages computation resources B. Manages storage layer C. Executes MapReduce jobs D. Manages Hadoop ecosystem tools 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
45. What is the role of the Hadoop TaskTracker in MapReduce? A. Manage resource allocation B. Manage task execution in MapReduce jobs C. Manage HDFS metadata D. Manage ZooKeeper configurations 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
46. What is the primary purpose of Hadoop MapReduce? A. Data storage and retrieval B. Real-time data processing C. Workflow automation D. Resource management 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
47. In Hadoop architecture, what is the function of the Hadoop NameNode? A. Store data blocks B. Manage computation resources C. Manage metadata of HDFS D. Execute MapReduce jobs 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
48. What is the purpose of Hadoop ResourceManager in YARN? A. Manage storage layer B. Manage computation resources C. Execute MapReduce jobs D. Manage Hadoop ecosystem tools 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
49. Which component of Hadoop is responsible for storing and managing data blocks? A. ResourceManager B. NameNode C. DataNode D. Secondary NameNode 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
50. What is the role of the Hadoop Secondary NameNode in HDFS? A. Manage computation resources B. Store a backup of the entire HDFS metadata C. Failover for the NameNode D. Manage ZooKeeper configurations 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
