wsn2

wsn2

Professional Development

10 Qs

quiz-placeholder

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wsn2

wsn2

Assessment

Quiz

Professional Development

Professional Development

Hard

Created by

Sudhir Pattanaik

Used 17+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The technique that makes possible the task of listening and talking in communication system is called ________

Simplexing

Duplexing

Modulating

Multiple access technique

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Frequency division duplexing provides ____ distinct bands of frequencies for _____ user.

Two, two

Two, one

One, two

Two ,many

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which multiple access technique is used by IEEE 802.11 standard for wireless LAN?

CDMA

CSMA/CA

Aloha

Non of the mentioned

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following statements does not describe the S-MAC protocol correctly?

Energy dissipation is reduced in S-MAC through idle listening

Implementation of the algorithm is simple

The sleep and listen vary constantly based on the network traffic conditions

all of the mentioned

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Why is implementation of MAC protocols important in context of WSNs?

Supports multi-hop communication, alongside single-hop

Special design for energy-constrained environments

Support for Ad-hoc node deployment

all of the mentioned

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is not a cause for undesired energy wastage in WSNs?

Sensing of events

Idle listening

Overhearing in case of densely deployed sensor networks

Collision of transmitted frames

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is vulnerable time in Pure Aloha?

twice the frame time

half the frame time

two third of the frame time

Exactly the frame time

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