Computer Systems Servicing 12 - Q1 Review Quiz

What is the main purpose of a computer network?

• To store data locally

• To share data between devices

• To speed up local computations

• To run multiple operating systems

What is an example of a node in a computer network?

• Book

• Person

• Router

• Table

What is the role of communication channels in a computer network?

• They store data

• They provide power to the devices

• They control access to the network

• They connect nodes and allow data transmission

Which of the following factors does NOT directly affect network performance?

• Transit time

• Response time

• Number of users

• Network topology

What does network reliability depend on?

• The number of users

• The speed of the processor

• The length of the cables used

• The frequency of network failures

Which is NOT a measure of network security?

• Securing data transmission

• Preventing hardware failures

• Guarding against unauthorized users

• Protecting data from unauthorized access

Which of the following is NOT a property of a good network?

• Decentralization

• Resource sharing

• File and data sharing

• Interpersonal communication

What does 'data communication' refer to?

• Encrypting data

• The storage of data on a server

• Downloading data from the internet

• The transmission of messages between two devices

What is the most important factor for effective remote communication?

• Accessibility

• Accuracy

• Cost

• Geography

Which device is responsible for encoding data into electromagnetic signals in the communication model?

• Protocol

• Receiver

• Source

• Transmitter