GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020
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Subject Code:2171607 Date:19/01/2021Subject Name:Big Data Analytics
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
Q.1 (a) What are the basic challenges with Big Data? How does Hadoop help to 03 overcome these challenges?
(b) Mention few applications where big data analytics are useful. Describe in 04 brief.
(c) Which components (daemons) of Hadoop are in execution when we 07 execute Hadoop after its installation? Explain working of any three of these components in brief.
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Q.2 (a) What is distributed file system? Explain key features of Hadoop Distributed 03 File System.
(b) What is the importance of HBase? Describe components of HBase 04 architecture in brief with necessary diagram.
(c) Explain working of MapReduce with reference to “WordCount’ program 07 for a file having input as below:
Red apple Red wine Green apple Green peas.Pink rose Blue whale Blue sky Green city Clean city
Q.3 (a) What is role of Zookeeper? How it helps in monitoring a cluster? 03
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(b) Differentiate followings: 04
(1) Pig vs. MapReduce
(ii) HDFS vs. Hbase
(c) Describe iterative and interactive operations on MapReduce and Spark 07 RDD.
Q.4 (a) What is Data Serialization? Explain advantages and drawbacks of Hadoop 03 serialization.
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(b) Mention usefulness of Pig. What are key features of Pig? 04
(c) Explain components of Hive architecture. Also describe working of Hive 07 with suitable diagram.
Q.5 (a) Explain Hadoop commands to move the data in and out of HDFS. 03
(b) What is NewSQL? Mention its basic characteristics. How it is different 04 from NoSQL?
(c) Categorize types of NoSQL databases with suitable examples. 07
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Q.6 (a) Describe important features of Apache Spark. 03
(b) What is NoSQL? Differentiate NoSQL with SQL. 04
(c) Explain functionalities of MLib in detail. 07
Q.7 (a) What is MongoDB? Explain the important features of MongoDB. 03
(b) Explain important components of Spark with necessary diagram. 04
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(c) Differentiate MongoDB with RDBMS. Compare advantages and 07 drawbacks of both.
Q.8 (a) Mention advantages of using NoSQL databases. 03
(b) Explain following terms with reference to MongoDB Query Language: 04
Database, Collection, Document, Datatypes
(c) Explain following CRUD operations on MongoDB with necessary syntax 07 or example:
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Create a database, Drop a database, Create and display collection, Insert a document in collection, Finding document from a collection, Updating a document, Deleting a document--- Content provided by FirstRanker.com ---
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