If a network communication protocol is experiencing significant delays and errors due to signal interference, what is the most likely issue with the network medium?

Inadequate shielding or insulation

When evaluating the performance of a wireless communication system that uses line-of-sight propagation, which factor is most critical?

The alignment and placement of antennas

The length of the communication cable

What was the primary function of ARPAnet, the precursor to the Internet?

To connect military and research institutions

To provide commercial internet services

To manage social media platforms

In network communication, what does the term 'bound media' refer to?

Communication via cables and wires

Communication through electromagnetic waves

Communication using satellite signals

Communication through infrared light

What is the primary characteristic of digital signals compared to analog signals?

Discrete (jumpy) states with fixed amplitude

Continuous variation in amplitude and time

Continuous frequency modulation

What does the term 'wavelength' refer to in the context of waves?

The horizontal distance between two consecutive points on a wave

The height of the wave from the horizontal axis

The number of cycles per second

The time required to complete one cycle

What does the term 'phase' describe in a wave?

The position of the waveform relative to time zero

The distance between two consecutive peaks

Why might a Full Mesh topology be impractical for a large-scale WAN, despite its reliability?

It requires excessive cabling and physical ports

It limits the number of connected devices

In which scenario would you choose a Hybrid topology over other types?

When combining different types of networks with varying performance and cost requirements

When building a small LAN network for home use

When a high level of redundancy is not necessary

When using a single type of cable for all connections

In which scenario would a Bus topology offer the most advantages over others?

In networks where cost and cable conservation are prioritized

In high-traffic networks requiring high-speed communication

In networks requiring high security

In large-scale WANs needing reliable redundancy

Why would a session-based application rely more on the Session Layer in the OSI model?

It manages dialogue control and synchronization

It defines how data is presented

It ensures reliable packet delivery

What potential risk would you face with a Fat Access Point in a large enterprise WLAN network?

Difficulty in scaling and central management

Increased cost due to centralized control

A network uses Layer 2 switches extensively. Which OSI layer function is NOT a responsibility of these switches?

Forwarding based on MAC addresses

Which of the following is NOT a characteristic of digital signals compared to analog signals?

Continuous variation in amplitude

What aspect of wave propagation is described by the frequency of the wave?

The delay of the wave relative to a reference point

A radio station aims to establish a new transmission service that will provide continuous worldwide communication and broadcasting to a large audience, including remote and rural areas. The technical team is considering using different radio wave propagation methods to ensure consistent coverage and reliable signal reception. Which of the following best describes why the Ground Wave (Surface) Propagation Method is a suitable choice for this service, considering its frequency ranges and applications?

Ground Wave Propagation Method effectively supports worldwide communications with low-frequency signals ranging from 3 kHz to 300 kHz and is also suitable for broadcasting over medium frequencies from 300 kHz to 3 MHz, making it well-suited for covering remote and rural areas.

Ground Wave Propagation Method is ideal for local communication within urban areas due to its ability to support high-frequency signals and provide clear, line-of-sight transmissions.

Ground Wave Propagation Method is most appropriate for high-speed data transmission over short distances, utilizing frequencies above 3 GHz, which offers high bandwidth but limited coverage.

Ground Wave Propagation Method is best for high-frequency communications within a single city, as it relies on ionospheric reflection for long-distance signal propagation.

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Practice Problem

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Hard

Ardi Moran

Used 11+ times

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50 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following scenarios best illustrates the use of a digital signal in modern communication systems?

Analog voice transmission over a telephone line.

Text data storage in a computer's hard drive.

Radio broadcast using AM modulation.

Audio signal transmission over a traditional radio.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If a network technician wants to establish a network connection that allows simultaneous data transmission in both directions, which transmission mode should be used?

Simplex Mode

Half-duplex Mode

Full-duplex Mode

Parallel Mode

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which propagation method would be most effective for a communication system that needs to cover a large geographic area with minimal interference from atmospheric conditions?

Line of Sight Propagation

Wide Area Network

SkyWave Propagation

Space Wave Propagation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A company is considering using Bluetooth technology for inter-device communication. What should they be aware of regarding its frequency range?

Bluetooth operates at frequencies higher than 30 GHz.

Bluetooth uses a frequency range similar to that of Wi-Fi.

Bluetooth operates within the Very Low Frequency (VLF) range.

Bluetooth uses the 2.4 GHz frequency band.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A new technology is being implemented to reduce interference in a network by using both twisting and shielding techniques. What type of cable is likely being used?

Unshielded Twisted-Pair (UTP) Cable

Fiber Optic Cable

Coaxial Cable

Shielded Twisted-Pair (STP) Cable

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which type of signal would be most appropriate for representing voice communication in a traditional telephone system?

Digital Signal

Electrical Signal

Acoustic Signal

Video Signal

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which transmission type is characterized by sending data bits one after another over a single channel?

Parallel Transmission

Serial Transmission

Full-Duplex Transmission

Half-Duplex Transmission

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BSIT2102 PL Networking1 Tuando

50 questions

Which of the following scenarios best illustrates the use of a digital signal in modern communication systems?

If a network technician wants to establish a network connection that allows simultaneous data transmission in both directions, which transmission mode should be used?

Which propagation method would be most effective for a communication system that needs to cover a large geographic area with minimal interference from atmospheric conditions?

A company is considering using Bluetooth technology for inter-device communication. What should they be aware of regarding its frequency range?

A new technology is being implemented to reduce interference in a network by using both twisting and shielding techniques. What type of cable is likely being used?

Which type of signal would be most appropriate for representing voice communication in a traditional telephone system?

Which transmission type is characterized by sending data bits one after another over a single channel?

A network engineer needs to choose a technology for high-speed data transmission with minimal signal degradation over long distances. What is the best option?

For a local area network (LAN) that requires flexibility and low cost, which type of cable would be most appropriate?

If a network communication protocol is experiencing significant delays and errors due to signal interference, what is the most likely issue with the network medium?

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