Network Communication Trivial Quiz

Which of the following is NOT a component of a basic communication system?

• Sender

• Message

• Noise

• Database

Answer explanation

A basic communication system consists of a sender, message, and noise. A database is not a fundamental component of this system, making it the correct choice for what is NOT included.

What is the unit of frequency?

Answer explanation

The unit of frequency is hertz (Hz), which measures the number of cycles per second. Therefore, the correct answer is hertz.

In the Shannon communication model, which element is responsible for signal distortion?

• Sender

• Receiver

• Noise

• Protocol

Answer explanation

In the Shannon communication model, 'Noise' refers to any interference that distorts the signal during transmission. It is the element responsible for signal distortion, affecting the clarity of the message received.

Which signal type is continuous and varies with time?

• Digital signal

• Analog signal

• Binary signal   

• PCM

Answer explanation

An analog signal is continuous and varies smoothly over time, representing information in a way that can take any value within a range. In contrast, digital and binary signals are discrete, while PCM is a method of converting analog signals to digital.

Which of the following is a protocol?

• HTTP

• Signal

• Frequency

• Amplitude

Answer explanation

HTTP (Hypertext Transfer Protocol) is a protocol used for transferring hypertext requests and information on the internet. The other options, Signal, Frequency, and Amplitude, are not protocols.

What is the name of the component that ensures two devices understand each other in a communication system?

Answer explanation

The component that ensures two devices understand each other in a communication system is called a protocol. Protocols define the rules and conventions for data exchange, enabling effective communication.

What is the terms that refers to the number of cycles a signal completes in one second?

Answer explanation

The term that refers to the number of cycles a signal completes in one second is 'frequency'. It is a fundamental concept in physics and engineering, indicating how often a repeating event occurs.

Which signal type represents data in discrete levels?

• Analog

• Digital

• Modulated

• Carrier

Answer explanation

Digital signals represent data in discrete levels, using binary values (0s and 1s). In contrast, analog signals vary continuously, making digital the correct choice for representing discrete data.

Which factor increases when data rate increases in a communication channel?

• Noise

• Bandwidth

• Wavelength

• Latency

Answer explanation

As data rate increases, the bandwidth of a communication channel must also increase to accommodate the higher data flow. This allows for more data to be transmitted simultaneously, making bandwidth the correct choice.

What is the distance a signal travels in one cycle called?

Answer explanation

The distance a signal travels in one complete cycle is called the wavelength. It is a fundamental property of waves, representing the length of one cycle of the wave.