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MOVING DATA IN HADOOP EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
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What is Data at rest? Data that is already in a file in some directory
Data can be moved using BigSQL Load. True
True or false?
Which of the following does not relate to Pipe
Flume?
Sqoop is designed to transfer data between relational database systems and Hadoop
Which of the following is NOT --split-from
an argument for Sqoop?
By default, Sqoop assumes that it's F
working with space-separated fields and
that each record is terminated by a
newline. True or false?
Avro is a remote procedure call and T
serialization framework, developed within
a separate Apache project. True or false?
Data sent through Flume may have different batching or a different reliability setup
A single Avro source can receive data T
from multiple Avro sinks. True or false?
Which of the following is NOT a supplied Regex sinker
Interceptor?
where the data is staged after having been read in by a source and not yet
Channels are written out by a sink where the data is staged after having been read in by a
source and
not yet written out by a sink - correct
One property for sources T
is selector.type? True or
false?
1. The HDFS copyFromLocal command None of the above
can be used to
2. What is the primary purpose of Sqoop To import data from a relational database or data warehouse into Hadoop
in the Hadoop architecture?
the name of the database you wish to connect to the hostname of the database
3. A Sqoop JDBC connection string must server the port that the database server is listening on the name of the JDBC
include driver to use for the connection All of the above
All of the above - correct
Sqoop can be used to either import data T
from relational tables into Hadoop or
export data from Hadoop to
relational tables. True or false?
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