R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. What happens when the replication factor of a file is increased in HDFS? (A) Blocks are deleted (B) New blocks are created (C) Existing blocks are replicated to other DataNodes (D) DataNode shuts down
R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. Which command is used to delete a file in HDFS? (A) hdfs dfs -remove (B) hdfs dfs -delete (C) hdfs dfs -rm (D) hdfs dfs -clear
R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. What is the maximum size of a block in HDFS? (A) 64 MB (B) 128 MB (C) 1 GB (D) It can be configured as needed
R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. What is the main benefit of using large block sizes in HDFS? (A) Faster replication (B) Reduced NameNode memory usage (C) Fewer disk seeks (D) Improved security
R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. Which of these is a valid HDFS file permission string? (A) rw-r--r-- (B) xyz-abc-def (C) 777 (D) rwxrwxrwx
R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. Which component in Hadoop is responsible for task execution in MapReduce? (A) ResourceManager (B) ApplicationMaster (C) TaskTracker (D) NodeManager
R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. In which directory is the HDFS NameNode metadata stored? (A) /tmp/hdfs (B) /hadoop/hdfs/data (C) /hadoop/hdfs/namenode (D) /hadoop/dfs/name
R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. Which of the following is a distributed computing framework in Hadoop? (A) HDFS (B) YARN (C) MapReduce (D) Sqoop
R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. How does Hadoop handle hardware failure? (A) Shuts down the system (B) Ignores it (C) Automatically replicates data (D) Alerts administrator only
R Rakesh Yadav • 5.67K Points Tutor III Bookmark Embed Report View In MB-Short Q. Which Hadoop component is responsible for managing resource usage per job? (A) Hive (B) YARN (C) HBase (D) Pig
