Network Media and Physical Layer Characteristics Quiz

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What is the process by which the characteristic of one wave modifies another wave?

Amplitude modulation

Frequency modulation

Modulation (correct)

Encoding

Which physical layer media uses patterns of microwave transmissions for signals?

Manchester encoding

Copper cable

Fiber-optic cable

Wireless (correct)

What is the main purpose of encoding in networking?

To transmit signals using modulation techniques

To convert light patterns into electrical pulses

To convert a stream of data bits into a predefined code (correct)

To identify the beginning and end of a frame

Which encoding method represents a 0 as a high to low voltage transition and a 1 as a low to high voltage transition?

Manchester encoding Signup and view all the answers

Which modulation technique varies the carrier frequency in accordance with the signal?

Frequency modulation Signup and view all the answers

What is the measure of the amount of data that can flow from one node to another?

Bandwidth Signup and view all the answers

What is the measure of bits transferred across the media over a given period of time?

Throughput Signup and view all the answers

What is the amount of time for data to travel from one point to another?

Latency Signup and view all the answers

What phenomenon refers to the deterioration of a signal as it travels over a distance?

Signal attenuation Signup and view all the answers

What causes disturbance in a signal carried by a wire due to the electric or magnetic fields of a signal in an adjacent wire?

Crosstalk Signup and view all the answers

When data is transmitted on copper cables as electrical pulses, what is the phenomenon referred to as the signal deteriorates over distance?

Signal attenuation Signup and view all the answers

What type of cable uses four pairs of wires, each wrapped in foil shield and then wrapped in an overall metallic braid to counter EMI/RFI and crosstalk?

Shielded twisted-pair (STP) cable Signup and view all the answers

What serves as the second wire in circuit and as a shield for the inner conductor to reduce electromagnetic interference in coaxial cable?

Woven copper braid Signup and view all the answers

Which type of physical media is characterized by light pulses traveling through a glass or plastic core?

Fiber optic cable Signup and view all the answers

What is the measure of bits transferred across the media over a given period of time in a network?

Throughput Signup and view all the answers

What is the main purpose of modulation in networking?

To modify one wave with the characteristics of another wave Signup and view all the answers

What is the encoding method where a 0 is represented by a high to low voltage transition and a 1 is represented as a low to high voltage transition?

Manchester encoding Signup and view all the answers

Which physical layer media uses patterns of light for signals?

Fiber-optic cable Signup and view all the answers

What phenomenon refers to the deterioration of a signal as it travels over a distance in network communication?

Attenuation Signup and view all the answers

What is the measure of the amount of data that can flow from one node to another over a given period of time?

Throughput Signup and view all the answers

Network Media and Physical Layer Characteristics Quiz

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Questions and Answers

What is the process by which the characteristic of one wave modifies another wave?

Which physical layer media uses patterns of microwave transmissions for signals?

What is the main purpose of encoding in networking?

Which encoding method represents a 0 as a high to low voltage transition and a 1 as a low to high voltage transition?

Which modulation technique varies the carrier frequency in accordance with the signal?

What is the measure of the amount of data that can flow from one node to another?

What is the measure of bits transferred across the media over a given period of time?

What is the amount of time for data to travel from one point to another?

What phenomenon refers to the deterioration of a signal as it travels over a distance?

What causes disturbance in a signal carried by a wire due to the electric or magnetic fields of a signal in an adjacent wire?

When data is transmitted on copper cables as electrical pulses, what is the phenomenon referred to as the signal deteriorates over distance?

What type of cable uses four pairs of wires, each wrapped in foil shield and then wrapped in an overall metallic braid to counter EMI/RFI and crosstalk?

What serves as the second wire in circuit and as a shield for the inner conductor to reduce electromagnetic interference in coaxial cable?

Which type of physical media is characterized by light pulses traveling through a glass or plastic core?

What is the measure of bits transferred across the media over a given period of time in a network?

What is the main purpose of modulation in networking?

What is the encoding method where a 0 is represented by a high to low voltage transition and a 1 is represented as a low to high voltage transition?

Which physical layer media uses patterns of light for signals?

What phenomenon refers to the deterioration of a signal as it travels over a distance in network communication?

What is the measure of the amount of data that can flow from one node to another over a given period of time?

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