This section presents you various set of Mock Tests related to Hadoop Framework. You can download these sample mock tests at your local machine and solve offline at your convenience. Every mock test is supplied with a mock test key to let you verify the final score and grade yourself.
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
Q 2 - Hadoop differs from volunteer computing in
Q 3 - As compared to RDBMS, Hadoop
Q 4 - What is the main problem faced while reading and writing data in parallel from multiple disks?
Q 5 - Which of the following is true for disk drives over a period of time?
Q 6 - Data locality feature in Hadoop means
Q 7 - Which of these provides a Stream processing system used in Hadoop ecosystem?
Q 8 - HDFS files are designed for
Q 9 - A file in HDFS that is smaller than a single block size
Q 10 - HDFS block size is larger as compared to the size of the disk blocks so that
Q 11 - In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure?
Q 12 - Which utility is used for checking the health of a HDFS file system?
Q 13 - Which command lists the blocks that make up each file in the filesystem.
Q 14 - The datanode and namenode are respectiviley
Q 15 - In the local disk of the namenode the files which are stored persistently are −
Q 16 - When a client communicates with the HDFS file system, it needs to communicate with
Q 17 - What mechanisms Hadoop uses to make namenode resilient to failure.
Q 18 - The main role of the secondary namenode is to
Q 19 - For the frequently accessed HDFS files the blocks are cached in
Q 20 - User applications can instruct the namenode to cache the files by
Q 21 - In Hadoop 2.x release HDFS federation means
Q 22 - Under HDFS federation
Q 23 - The main goal of HDFS High availability is
Q 24 - As part of the HDFS high availability a pair of primary namenodes are configured. What is true for them?
Q 25 - Zookeeper ensures that
Q 26 - Under Hadoop High Availability, Fencing means
Q 27 - Which of the following is not a fencing mechanism for a previously active namenode?
Q 28 - The property used to set the default filesystem for Hadoop in core-site.xml is-
Q 30 - When running on a pseudo distributed mode the replication factor is set to
Q 31 - For a HDFS directory the replication factor(RF) is
Q 32 - The following is not permitted on HDFS files
|Question Number||Answer Key|