INTRODUCTION TO INTERNET OF THINGS: Assignment 4

1. UAV-VANETS link up may be used for

a. visual guidance
b. data muling
c. coverage enhancement
d. All of these

Ans: d

2. In which of the following frequency range does nano networks work?

a. radio waves
b. micro waves
c. tetra hertz waves
d. infrared waves

Ans: c

3.  In which of the following communication in nano networks, Gap junction serves as a mediator between cells and vesicles?

a. Electromagnetic
b. Acoustic
c. Molecular
d. Optical

Ans: c

4. Which of the following is true?

a. In stationary wireless sensor networks, the creation of cluster node is not possible
b. In stationary wireless sensor networks, node failure may results in partition of networks
c. The topology maintenance is very hard task in a stationary wireless sensor network.
d. None of the above is true.

Ans: b

5. In human centric sensing, which of these is not a constraint?

a. Energy of sensing devices
b. Privacy of users
c. Participant selection
d. Network size

Ans: d

6. The main goal of participatory sensing is  

a. just to collect data
b. to restrict the common people to access the data
c. collect data and allow common people to access data and share knowledge
d. to collect data and restrict people to access data and share knowledge

Ans: c

7. Which of these typologies  cannot be a reliable UAV network topology

a. Star
b. Flat mesh
c. Hierarchical mesh
d. Tree

Ans: d

8. Which of the following is true for UAV networks

a. links break frequently in it
b.it is very complex
c. It needs Huge power requirements
d. All of the above

Ans: d

9. Machine to Machine (M2M) is designed for

a. isolated systems using proprietary solutions
b. cross platform integration
c. home automation only
d. none of the above

Ans: b

10. Which of these can be regarded as the salient features of a 3D UWSN architecture?

a. Silent & Energy efficient scheme for mobile UWSNs
b. Iterative approach with less initiators nodes (anchors) required
c. Mobility prediction
d. All of the above

Ans: d

11. Low end M2M nodes are

a. Mobile
b. Energy efficient
c. Complex
d. Costly

Ans: b

12. In M2M, which of the following is true?

a. Low end sensor nodes are mobile
b. Both high end and mid end sensor nodes are static
c. Both high end and low end sensor nodes are mobile
d. High end sensor nodes are mobile

Ans: d

13. Which of the following are the challenges of human-centric sensing?

a. Energy of devices
b. Participant selection
c. Privacy of users
d. All of the above

Ans: d

14. OGDC stands for:

a. Optimal Geographical Destination Control
b. Optimal Geographical Density Control
c. Optimal Geographical Destination Communication
d. Optimal Geographical Density Communication

Ans: b

15. In M2M communications, which of the following nodes is/are typically used for general environmental monitoring?

a. Low end sensor nodes
b. Mid end sensor nodes
c. High end sensor nodes
d. All of the above

Ans: a