Big Data Computing Assignment 5 Answers 2021:- We do not claim 100% surety of answers, these answers are based on our sole knowledge, and by posting these answers we are just trying to help students, so we urge do your assignment on your own.
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Q1. Columns in HBase are organized to___________________________
(A) Column group
(B) Column list
(C) Column base
(D) Column families
Ans:- (D) Column families
Q2. HBase is a distributed ________ database built on top of the Hadoop file system
(A) Row-oriented
(B) Tuple-oriented
(C) Column-oriented
(D) None of the mentioned
Ans:- (C) Column-oriented
Q3. A small chunk of data residing in one machine which is part of a cluster of machines holding one HBase table is known as__________________
(A) Region
(B) Split
(C) Rowarea
(D) Tablearea
Ans:- (A) Region
Q4. In HBase, __________________is a combination of row, column family, column qualifier and contains a value and a timestamp.
(A) Cell
(B) Stores
(C) HMaster
(D) Region Server
Ans:- (A) Cell
Q5. HBase architecture has 3 main components:
(A) Client, Column family, Region Server
(B) Cell, Rowkey, Stores
(C) HMaster, Region Server, Zookeeper
(D) HMaster, Stores, Region Server
Ans:- (C) HMaster, Region Server, Zookeeper
Q6. HBase stores data in_______________________
(A) As many filesystems as the number of region servers
(B) One filesystem per column family
(C) A single filesystem available to all region servers
(D) One filesystem per table
Ans:- (C) A single filesystem available to all region servers
Q7. Kafka is run as a cluster comprised of one or more servers each of which is called___________________
(A) cTakes
(B) Chunks
(C) Broker
(D) None of the mentioned
Ans:- For Answer Click Here
Q8. True or False ?
Statement 1: Batch Processing provides ability to process and analyze data at-rest (stored data).
Statement 2: Stream Processing provides ability to ingest, process and analyze data in-motion in real or near-real-time.
(A) Only Statement 1 is true
(B) Only Statement 2 is true
(C) Both Statements are true
(D) Both Statements are false
Ans:- (C) Both Statements are true
Q9. ________________is a central hub to transport and store event streams in real time.
(A) Kafka Core
(B) Kafka Connect
(C) Kafka Streams
(D) None of the mentioned
Ans:- (C) Kafka Streams
Q10. What are the parameters defined to specify window operation ?
(A) State size, window length
(B) State size, sliding interval
(C) Window length, sliding interval
(D) None of the mentioned
Ans:- For Answer Click Here
Q11. Consider the following dataset Customers:
Using the Customers table answer the following using spark streaming fundamentals:
Using the following pseudo code, find the rank of each customer visiting the supermarket
val wSpec3 = Window.partitionBy(“name”).orderBy(“date”)
customers.withColumn( “rank”, rank().over(wSpec3) ).show()
(A)
(B)
(C)
(D)
Ans:- (B)
Q12. ________________is a Java library to process event streams live as they occur.
(A) Kafka Core
(B) Kafka Connect
(C) Kafka Streams
(D) None of the mentioned
Ans:- (C) Kafka Streams
Big Data Computing Assignment 5 Answers 2021:- We do not claim 100% surety of answers, these answers are based on our sole knowledge, and by posting these answers we are just trying to help students, so we urge do your assignment on your own.