Hadoop Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Hadoop Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - The concept using multiple machines to process data stored in distributed system is not new.
The High-performance computing (HPC) uses many computing machines to process large volume of data stored in a storage area network (SAN). As compared to HPC, Hadoop
A - Can process a larger volume of data.
B - Can run on a larger number of machines than HPC cluster.
C - Can process data faster under the same network bandwidth as compared to HPC.
Answer : C
Q 2 - Under HDFS federation
A - Each namenode manages metadata of the entire filesystem.
B - Each namenode manages metadata of a portion of the filesystem.
C - Failure of one namenode causes loss of some metadata availability from the entire filesystem.
Answer : B
Q 3 - HDFS can be accessed over HTTP using
Answer : B
Q 5 - In Hadoop, Snappy and LZO are examples of
A - Mechanisms of file transport between data nodes
B - Mechanisms of data compression
Answer : B
Q 6 - When a machine is declared as a datanode, the disk space in it
A - Can be used only for HDFS storage
B - Can be used for both HDFS and non-HDFs storage
Answer : B
Q 7 - The replication factor of a file in HDFS can be changed using
Answer : C
Q 8 - When a jobTracker schedules a task is first looks for
A - A node with empty slot in the same rack as datanode
B - Any node on the same rack as the datanode
Answer : A
Q 9 - What is HBASE?
A - Hbase is separate set of the Java API for Hadoop cluster.
C - Hbase is a "database" like interface to Hadoop cluster data.
Answer : B
Q 10 - Which one of the following is not a main component of HBase?