COC2-QUIZ

What is a computer network?

• A group of computers connected to a single server.

• A telecommunication channel for sharing data between computers or devices.

• A system for managing files and applications on a computer.

• A software program that allows users to communicate with each other.

What is the best example of a computer network?

• A local area network (LAN)

• A wide area network (WAN)

• The Internet

• A cloud computing platform

What is a node in a computer network?

• A physical connection between two devices.

• A device that can send or receive data.

• A software program that manages network traffic.

• A central server that controls the network.

What are the three main criteria for a good computer network?

• Speed, security, and reliability.

• Performance, reliability, and scalability.

• Cost, efficiency, and ease of use.

• Connectivity, accessibility, and availability.

What is transit time in a computer network?

• The time it takes to send a message from one device to another.

• The time it takes to process a request from a user.

• The time it takes to connect to the network.

• The time it takes to download a file.

What is response time in a computer network?

• The time it takes to send a message from one device to another.

• The time it takes to process a request from a user.

• The time it takes to connect to the network.

• The time it takes to download a file.

What is the main purpose of a computer network's security?

• To prevent unauthorized access to data.

• To protect the network from viruses and malware.

• To ensure the reliability of the network.

• To improve the performance of the network.

What is the main purpose of data communication?

• To share files and applications between computers.

• To allow users to communicate with each other.

• To exchange data between two devices.

• To manage network traffic.

What is the difference between local and remote data communication?

• Local communication takes place within a single building, while remote communication takes place over a longer distance.

• Local communication is faster than remote communication.

• Local communication is more secure than remote communication.

• Local communication is more reliable than remote communication.

What are the three main features used to measure the effectiveness of data communication?

• Speed, accuracy, and reliability.

• Delivery, timeliness, and accuracy.

• Cost, efficiency, and ease of use.

• Connectivity, accessibility, and availability.