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Seat No.: Enrolment No.
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (NEW) EXAMINATION — WINTER 2017
Subject Code: 2171607 Date:02/11/2017
Subject Name: Big Data Analytics(Departmental Elective - II)
Time: 10:30 AM TO 01:00 PM Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
MARKS
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Q.1 (a) How Big Data Analytics can be useful in the development of smart cities. 03
(b) What is Big data? Discuss it in terms of volume and velocity. 04
(c) What are the advantages of Hadoop? Explain Hadoop Architecture and its Components with proper diagram. 07
Q.2 (a) Explain Storage mechanism in HBase. 03
(b) In Map Reduce how Job Scheduling is done in case of the Fair Scheduler? 04
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(c) Draw and explain HDFS Architecture. Explain the function of NameNode and DataNode. What is a Secondary Namenode? Is it a substitute to the Namenode? 07
OR
(c) Explain following commands of HDFS with syntax and at least one example of each. 07
- get
- cp
- chown
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Q.3 (a) Explain Metastore in Hive. 03
(b) Explain Map-reduce framework in brief. 04
(c) Explain the concept of Blocks and Heartbeat Message in HDFS Architecture. What are the benefits of block transfer? 07
OR
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Q.3 (a) What is Zookeeper? List the benefits of it. 03
(b) Explain the 5 P’s of Data science in brief. 04
(c) Explain Spark components in detail. Also list the features of spark. 07
Q.4 (a) Differentiate NoSQL and relational databases? 03
(b) What do you mean by HiveQL Data Definition Language? 04
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(c) Explain following for MongoDB. 07
- Indexing
- Aggregation
OR
Q.4 (a) Explain any three HiveQL DDL command with its syntax and example. 03
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(b) Explain scaling feature of MongoDB. 04
(c) What are the problems related to Map Reduce data storage? How Apache Spark solves it using Resilient Distributed Dataset? Explain RDDs in detail. 07
Q.5 (a) Compare Raw oriented and Column Oriented database structures. 03
(b) Discuss how Pig data model will help in effective data flow. 04
(c) Explain how HBase uses Zookeeper to Build Applications with Zookeeper. 07
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OR
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Q.5 (a) What is Spark? 03
(b) Differentiate: Apache pig Vs Map Reduce. 04
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(c) Explain CRUD operations in MongoDB. 07
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