Big Data Analytics (2180710) MCQs

MCQs of HDFS, HIVE and HIVEQL, HBASE

Showing 1 to 10 out of 54 Questions
1 2 3 4 5 6
1.
A ________ serves as the master and there is only one NameNode per cluster.
(a) Data Node
(b) NameNode
(c) Data block
(d) Replication
Answer:

Option (b)

2.
Point out the correct statement.
(a) DataNode is the slave/worker node and holds the user data in the form of Data Blocks
(b) Each incoming file is broken into 32 MB by default
(c) Data blocks are replicated across different nodes in the cluster to ensure a low degree of fault tolerance
(d) None of the mentioned
Answer:

Option (a)

3.
HDFS works in a __________ fashion.
(a) master-worker
(b) master-slave
(c) worker/slave
(d) all of the mentioned
Answer:

Option (a)

4.
________ NameNode is used when the Primary NameNode goes down.
(a) Rack
(b) Data
(c) Secondary
(d) None of the mentioned
Answer:

Option (c)

5.
Which of the following scenario may not be a good fit for HDFS?
(a) HDFS is not suitable for scenarios requiring multiple/simultaneous writes to the same file
(b) HDFS is suitable for storing data related to applications requiring low latency data access
(c) HDFS is suitable for storing data related to applications requiring low latency data access
(d) None of the mentioned
Answer:

Option (a)

6.
________ is the slave/worker node and holds the user data in the form of Data Blocks.
(a) DataNode
(b) NameNode
(c) Data block
(d) Replication
Answer:

Option (a)

7.
HDFS provides a command line interface called __________ used to interact with HDFS.
(a) “HDFS Shell”
(b) “FS Shell”
(c) “DFS Shell”
(d) None of the mentioned
Answer:

Option (b)

8.
For YARN, the ___________ Manager UI provides host and port information.
(a) Data Node
(b) NameNode
(c) Resource
(d) Replication
Answer:

Option (c)

9.
During start up, the ___________ loads the file system state from the fsimage and the edits log file.
(a) DataNode
(b) NameNode
(c) ActionNode
(d) None of the mentioned
Answer:

Option (b)

10.
In HDFS the files cannot be
(a) read
(b) deleted
(c) executed
(d) Archived
Answer:

Option (c)

Showing 1 to 10 out of 54 Questions
1 2 3 4 5 6