# Cloud computing Assignment 3 Answers 2021 NPTEL

NPTEL Cloud computing Assignment 3 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.

Q1.Which of the following is false about SLA contents

a) A complete, specific definition of each service

b) An auditing mechanism to monitor the services

c) The responsibilities of the provider only

d) None of these

Ans:- c) The responsibilities of the provider only

Q2. Key Performance Indicator is a high-level resource metrics.

a) True

b) False

Ans:- b) False

Q3. Which of the following is correct about Availability?

a) Availability = 1- (UpTime / TotalTime)

b) Availability = 1- (DownTime / Up Time)

c) Availability = 1+ (DownTime / UpTime)

d) Availability = 1+ (UpTime / Down Time)

Ans:- b) Availability = 1- (DownTime / Up Time)

Q4. Statement 1: Coefficient of variance represents the ratio of standard deviation to mean.

Statement 2: Coefficient of variance is a useful statistic for comparing the degree of uniformity from one data series to another.

a) Only statement 1 is true

b) Only statement 2 is true

c) Both the statements are true

d) Both the statements are False

Ans:- a) Only statement 1 is true

Q5. Multiplexing demand from multiple sources may increase the coefficient of variation.

a) True

b) False

Ans:- b) False

Q6. Which of the following is true about penalty, where D(t) is instantaneous demand at time t and R(t) is response at time t?

a) Penalty R(t) * D(t) | dt

b) Penalty ID(t)-R(t) | dt

c) Penalty-|D()+R(t) di

d) None of these

Ans:- b) Penalty ID(t)-R(t) | dt

Q7. Which of the following is/are true?

a) Column oriented data storage technique is efficient for data warehouse workloads

b) Row oriented data storage technique is optimal for write oriented operation.

c) None of the above

Q8. Which of the following data warehousing databases is/are capable of handling parallel processing?

a) Oracle

b) Vertica

c) SQLServer

d) None of these

Ans:- (B) Vertica

Q9. Statement 1: Hadoop Distributed File System is an open source implementation of GPS architecture.

Statement 2: In Google File System, the master maintains regular communication with the chunk servers.

a) Only statement 1 is true.

b) Only statement 2 is true

c) Both the statements are true

d) Both the statements are false

Ans:- c) Both the statements are true

Q10. In the Map-Reduce model, which of the following is/are True?

a) Map operation consists of transforming one set of key-value pair to another set of key value pair

b) Each mapper writes computational results in one file per reducer

c) Files are sorted by a key and stored in a local file system

d) None of the above