Question
a.
Data Image
b.
Datanots
c.
Snapshots
d.
All of the mentioned
Posted under Hadoop
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. __________ support storing a copy of data at a particular instant of time.
Similar Questions
Discover Related MCQs
Q. Automatic restart and ____________ of the NameNode software to another machine is not supported.
View solution
Q. HDFS, by default, replicates each data block _____ times on different nodes and on at least ____ racks.
View solution
Q. _________ stores its metadata on multiple disks that typically include a non-local file server.
View solution
Q. The HDFS file system is temporarily unavailable whenever the HDFS ________ is down.
View solution
Q. Apache _______ is a serialization framework that produces data in a compact binary format.
View solution
Q. Avro schemas describe the format of the message and are defined using ______________
View solution
Q. The ____________ is an iterator which reads through the file and returns objects using the next() method.
View solution
Q. The ____________ class extends and implements several Hadoop-supplied interfaces.
View solution
Q. ____________ class accepts the values that the ModelCountMapper object has collected.
View solution
Q. The ________ method in the ModelCountReducer class “reduces” the values the mapper collects into a derived value.
View solution
Q. Which of the following works well with Avro?
View solution
Q. __________ tools is used to generate proxy objects in Java to easily work with the objects.
View solution
Q. Avro schemas are defined with _____
View solution
Q. __________ facilitates construction of generic data-processing systems and languages.
View solution
Q. With ______ we can store data and read it easily with various programming languages.
View solution
Q. ________ are a way of encoding structured data in an efficient yet extensible format.
View solution
Q. Thrift resolves possible conflicts through _________ of the field.
View solution
Q. Avro is said to be the future _______ layer of Hadoop.
View solution
Q. When using reflection to automatically build our schemas without code generation, we need to configure Avro using?
View solution
Q. We can declare the schema of our data either in a ______ file.
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Hadoop? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!
