Next Generation Wireless Network MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Next Generation Wireless Network, a fundamental topic in the field of Cognitive Radio. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Next Generation Wireless Network MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Next Generation Wireless Network mcq questions that explore various aspects of Next Generation Wireless Network problems. Each MCQ is crafted to challenge your understanding of Next Generation Wireless Network principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Cognitive Radio tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Next Generation Wireless Network MCQs are your pathway to success in mastering this essential Cognitive Radio topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Next Generation Wireless Network. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Next Generation Wireless Network knowledge to the test? Let's get started with our carefully curated MCQs!

Next Generation Wireless Network MCQs | Page 16 of 33

Discover more Topics under Cognitive Radio

Q151.
Which among the following is not a design methodology in the implementation of cross-layer design?

a.

Exchange of information among several layers during run time

b.

Storage of information in different storage structures

c.

Construction of mutual database with easy access for each layer in the protocol stack

d.

Construction of channel models to estimate the propagation of a signal in the channel environment

Discuss
Answer: (d).Construction of channel models to estimate the propagation of a signal in the channel environment Explanation:Cross-layer design requires the characteristic parameters of each layer to be made available to other layers of the protocol stack during run time. In order to achieve this, different degree of abstraction is required. This requires the development of new data structures such as constructing squares for storing information.
Q152.
Which among the following is a building unit of cross-layer hub?

a.

Cross-layer intra hub module

b.

Cross-layer interface

c.

Cross-layer scheduler

d.

Cross-layer director

Discuss
Answer: (a).Cross-layer intra hub module Explanation:Cross design involves the sharing of information among different layers of the protocol stack. For example, spectrum occupancy information gathered in the physical layer must be accurately transferred to the MAC layer through a proper interface. The units required to implement the cross-layer design are interfaces, controllers, schedulers, and inter hubs.
Q153.
Which among the following is not an expected result of cross-layer design?

a.

High end to end throughput

b.

Reduced network capacity

c.

Reduced interference

d.

Reduced power consumption

Discuss
Answer: (b).Reduced network capacity Explanation:Cross-layer design involves the exchange of information over various interfaces to achieve a better quality of service than possible by following the traditional layered approach. The exchange of information can be between physical and data link layer, data link and transport layer, network and transport layer, etc. Cross-layer design aims to achieve a high end to end throughput, increase the network capacity, optimize network utilization, reduce interference and power consumption.
Q154.
Which among the following is not an advantage of employing cross-layer design implementation?

a.

High accuracy of computation results required in algorithms

b.

Elimination of wasteful calculations

c.

High quality of service

d.

Better performance during spectrum handoff

Discuss
Answer: (d).Better performance during spectrum handoff Explanation:Cross-layer design improves the accuracy and the productivity of algorithms by extending the amount of information at hand. Cross-layer design helps to adjust in accordance with the varying resource availability. It eliminates computations that are performed due to a lack of communication between the layers of the protocol stack.
Q155.
Which layer performs adaptive modulation and coding?

a.

Network layer

b.

Transport layer

c.

Physical layer

d.

Data link layer

Discuss
Answer: (c).Physical layer Explanation:Adaptive modulation and coding is the process of adjusting signal parameters such as the modulation type, coding technique, and protocol parameters to the characteristics of the channel selected for transmission. The adaptive modulation system requires channel state information at the transmitter.
Q156.
Which among the following is not a function of the MAC layer in cognitive radio?

a.

Manage accessibility of assets

b.

Change client configuration

c.

Change density of design

d.

Choose multiple access techniques

Discuss
Answer: (d).Choose multiple access techniques Explanation:MAC layer in cognitive radio should manage the level of accessibility provided for resources of the radio. MAC layer should be aware of channel occupancy and surrounding spectrum environment to quickly handle changes in the environment and to mitigate loss produced due to mobility. MAC layer should have the capability to change design configuration.
Q157.
Which among the following combination of layers can be used to improve blockage control?

a.

Physical-Datalink

b.

Datalink – network

c.

Physical-Transport layer

d.

Datalink- Transport layer

Discuss
Answer: (c).Physical-Transport layer Explanation:The transport layer can correctly classify the reason for blockage provided the signal transmission information collected in the physical layer is made available via cross-layer design. For example, it can be used to detect the cause for packet loss.
Q158.
Cross-layer communication between data link and network layer can minimize the wastage of resources caused by packet loss.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True Explanation:Cross-layer communication between data link and network layer can minimize the wastage of resources caused by packet loss. One approach involves allocating the resources for link-layer needs based on hop count in the network layer module. For higher hop count, the power is divided among the packets, and the best available channel is selected for transmission.
Q159.
Which among the following are the recommendations proposed in the Spectrum Policy Initiative created in 2003?

a.

Spectrum Sharing Innovation Test bed and Spectrum Sensing Tools

b.

Spectrum Sharing Innovation Test bed and Spectrum Management Tools

c.

Cross-layer Innovation Test bed and Spectrum Sensing Tools

d.

Cross-layer Innovation Test bed and Spectrum Management Tools

Discuss
Answer: (b).Spectrum Sharing Innovation Test bed and Spectrum Management Tools Explanation:Spectrum Sharing Innovation Testbed and Spectrum Management Tools are the recommendations proposed in the Spectrum Policy Initiative created in 2003. Most of the recommendations pertained to the modification of the spectrum management infrastructure. The initiative states that technological advances can be exploited to overcome spectrum scarcity by spectrum sharing.
Q160.
What is the purpose of Spectrum Sharing Innovation Test Bed?

a.

Spectrum Sharing Innovation Test Bed sets aside a portion of the spectrum for testing

b.

Spectrum Sharing Innovation TestBed determines terrain suitable for testing

c.

Spectrum Sharing Innovation TestBed creates environment models for testing

d.

Spectrum Sharing Innovation TestBed constructs conditioned chambers for testing

Discuss
Answer: (a).Spectrum Sharing Innovation Test Bed sets aside a portion of the spectrum for testing Explanation:Spectrum Sharing Innovation TestBed sets aside a portion of the spectrum for testing and evaluating the developing spectrum sharing methods. The Spectrum Policy Initiative predicted a likely surge in spectrum usage and developing spectrum sharing methods have to be tested accordingly.
Page 16 of 33