NPTEL Cloud Computing and Distributed Systems Week 6 Assignment Answers 2025

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NPTEL Cloud Computing and Distributed Systems Week 6 Assignment Answers 2025

1. HBase is a distributed __________ database built on top of the Hadoop file system.

  • Row-oriented
  • Tuple-oriented
  • Column-oriented
  • None of the mentioned
Answer :- For Answers Click Here

2. Apache Cassandra is a massively scalable open source _____________ database.

  • SQL
  • NewSQL
  • NoSQL
  • None of the mentioned
Answer :-

3. A small chunk of data residing in one machine which is part of a cluster of machines holding one Hbase table is known as__________________

  • Rowarea
  • Tablearea
  • Split
  • Region
Answer :-

4. Cell in HBase Table is a combination of _____________

  • Row and column family
  • Row, column family and column qualifier
  • Row, column family, column qualifier and row keys
  • Row, column family, column qualifier and contains a value and a timestamp
Answer :-

5. 

Answer :-

6. Consider the following statements:

Statement 1: Scale out means grow your cluster capacity by replacing with more powerful machines.

Statement 2: Scale up means incrementally grow your cluster capacity by adding more COTS machines (Components Off the Shelf).

  • Only statement 1 is true
  • Only statement 2 is true
  • Both statements are true
  • Both statements are false
Answer :- For Answers Click Here

7. Cassandra uses a protocol called ___________ to discover location and state information.

  • HBase
  • Gossip
  • Key-value
  • None of the mentioned
Answer :-

8. Fill the correct choices for the given scenarios:

P: _________________Reads/writes complete reliably and quickly.

Q: __________________When thousands of customers are looking to book a flight, all updates from any client (e.g.- book a flight) should be accessible by other clients.

R: _________________Can happen across datacenters when the Internet gets disconnected

  • P: Availability, Q: Consistency, R: Partition tolerance
  • P: Consistency, Q: Availability, R: Partition tolerance
  • P: Partition tolerance, Q: Consistency, R: Availability
  • P: Consistency, Q: Partition tolerance, R: Availability
Answer :-

9. _____________ a memory cache to store the in memory copy of the data. It accumulates writes and provides read for data which are not yet stored to disk.

  • Distributed Hash tables (DHT)
  • Collection
  • SSTable
  • Memtable
Answer :-

10. In Cassandra, ______________job is to determine which data centers and racks it should use to read data from and write data to.

  • Client requests
  • Partitioner
  • Snitch
  • None of the mentioned
Answer :- For Answers Click Here

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