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HDFS Interview Questions and Answers
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Questions
HDFS
+1
vote
Q: Distributed Cache can be used in
asked
Jun 28, 2021
in
HDFS
by
Robindeniel
distributed-cache
+1
vote
Q: Reduce side join is useful for
asked
Jun 28, 2021
in
HDFS
by
Robindeniel
reduce-side
+1
vote
Q: Which of the following is/are true about combiners?
asked
Jun 28, 2021
in
HDFS
by
Robindeniel
combiners
+1
vote
Q: Which of the following operations can’t use Reducer as combiner also?
asked
Jun 28, 2021
in
HDFS
by
Robindeniel
reducers
+1
vote
Q: Which of the following can be used to control the number of part files in a map reduce program output directory?
asked
Jun 28, 2021
in
HDFS
by
Robindeniel
map-program
output-directory
+1
vote
Q: Which of the following is the correct sequence of MapReduce flow?
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
mapreduce-flow
+1
vote
Q: Which of the following is NOT the component of Flume?
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
flume-component
+1
vote
Q: Which of following statement(s) are true about distcp command?
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
distcp-command
+2
votes
Q: Read the statement and select the correct options:
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
distcp-command
+2
votes
Q: From the options listed below, select the suitable data sources for flume.
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
data-source
flume
+1
vote
Q: Read the statement:
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
namenodes
cluster
0
votes
Q: Which of the following is not a valid Hadoop config file?
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
hadoop-config-file
+1
vote
Q: Which of the following Hadoop config files is used to define the heap size?
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
heap-size
hadoop-config
+1
vote
Q: Read the statement and select the correct option:
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
hadoop-config-file
+1
vote
Q: Where is HDFS replication factor controlled?
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
hdfs-replication
replication-factor
+1
vote
Q: HDFS data blocks can be read in parallel
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
hdfs-data-blocks
+1
vote
Q: NameNode tries to keep the first copy of data nearest to the client machine.
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
namenode
copy-data
+2
votes
Q: The mechanism used to create replica in HDFS is____________.
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
replica
hdfs
+1
vote
Q: Which of the following is/are correct?
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
namenode
+1
vote
Q: Which of the following is NOT a type of metadata in NameNode?
asked
Jun 27, 2021
in
HDFS
by
Robindeniel
namenode
metadata
+1
vote
Q: What is the default HDFS replication factor?
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
hdfs-replication-facto
+1
vote
Q: What is the default HDFS block size?
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
hdfs-block-size
+2
votes
Q: Hive can be used for real time queries.
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
hive
+1
vote
Q: Which of the following are NOT true for Hadoop?
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
hadoop
+2
votes
Q: What is Hive used as?
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
hive
+1
vote
Q: What is HBase used as?
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
hbase
+1
vote
Q: Sliding window operations typically fall in the category of__________________.
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
sliding-window
+1
vote
Q: Which of the following are example(s) of Real Time Big Data Processing?
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
real-time-big-data
+1
vote
Q: Which of the following Batch Processing instance is NOT an example of
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
batch-processing
+1
vote
Q: The term Big Data first originated from:
asked
Jun 26, 2021
in
HDFS
by
SakshiSharma
big-data
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