INTRODUCTION TO INTERNET OF THINGS WEEK 8 NPTEL ASSIGNMENT ANSWERS 2021

 INTRODUCTION TO INTERNET OF THINGS WEEK 8 NPTEL ASSIGNMENT ANSWERS 2021  

1) In comparison to software defined networks , traditional networks are cost expensive with respect to which of the following?

a) both capex and opex

b) capex but not opex

c)opex but not capex 

d) neither capex nor opex

answer) a) both capex and opex

2) Which of the following features in software defined networks is useful for addressing inter cell interference on base station coordination?

a) flow tables

b) logical centralized controllers

c) path management 

d) network virtualization

answer) b) logical centralized controllers

3) eNodeBs  operating under virtualized radio resource management do not get affected by other  eNodeBs

a) true

b) false

answer) a) true

4) Which of the following activities does flow scheduling in UbiFlow perform?

a) network partitioning

b) network routing 

c) network scheduling

d) all of the above

answer) a) network partitioning

5) General open flow supports both wireless and wired connections

a) true 

b) false

answer) b) false

6) Proactive rule placement in Mobi- flow depends on which of the following  user characteristics?

a) user portfolio

b) user movement

c) user handoff 

d) user type

answer) b) user movement

7) The Mobi- Flow method reduces both energy consumption and message overhead.

a) true 

b) false

answer) a) true

8) Which of the following should be monitored to detect anomalies in a network?

a) network traffic

b) network flow 

c) network state 

d) none of these 

answer) b) network flow 

9) Which of the following is true ?

a) Cloud characteristics: SaaS , IaaS , hybrid

b) Cloud characteristics: Elasticity , Pooling , Community

c) Cloud characteristics: private , public , PaaS

d) Cloud characteristics: measured services

 answer) d) Cloud characteristics: measured services

10) Which of the following refers to sharing of cloud resources and costs across a large pool of users?

a) agility

b) ubiquitous

c) multitenancy

d) scalable 

answer) c) multitenancy

11)  Which of the following type of client requires constant  communication/ connection with cloud server

a) thin client 

b) thick client 

c) both thin and thick client

d) none of these

answer) c) both thin and thick client

12) Although cloud computing , users should feel that they have infinite supply of resources , its utilization should be constantly monitored

a) true 

b) false

answer) a) true 

13) Fill in the blanks : Typically ,  cloud computing have ________ components.

a) 4

b) 5

c) 6

d) 7

answer) c) 6

14) For a service provider , which of the following service model is best to execute his / her application at user end?

a) SaaS

b) PaaS

c) IaaS

d) None of these

answer) a) SaaS

15) In SaaS , users have no control of the cloud infrastructure.

a) true 

b) false

answer) a) true