Wireless Networks Quiz 3

Wireless Networks Quiz 3

University

20 Qs

quiz-placeholder

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Wireless Networks Quiz 3

Wireless Networks Quiz 3

Assessment

Quiz

Computers, Science

University

Practice Problem

Hard

Created by

Talha Aziz

Used 12+ times

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20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following are true IEEE 802.11n-2009?

uses OFDM and MIMO

known as WiFi 4 standard

uses multiple antennae

cannot transmit and receive simultaneously

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The standard IEEE 802.15.4 has the following features -

Very little power consumption.

Low-cost and low-speed communication.

Very High bandwidth

Ideal for long distance communication

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

IEEE 802.15.4 -

uses Carrier Sense Multiple Access

uses TIme Division Multiple Access

does not support secure communication

controls power consumption and data rate

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How is WSN MAC different from MAC?

WSN MAC requires high throughput

WSN MAC requires low error rates

WSN MAC requires low protocol overhead

WSN MAC requires energy-efficiency

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following are problems specifically for WSN?

Collisions

Overhearing

Idle listening

Protocol Overhead

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following medium access categories are not feasible for large undivided networks?

Centralized Medium Access

Schedule-based Medium Access

Contention-based Medium Access

Distributed Medium Access

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Sensor-MAC is a -

Synchronous type MAC

Duty Cycle based MAC

Centralized MAC

Randomized MAC

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