Chapter 1

The primary purpose of data communication is _______________.

• To exchange information between devices.

• To store data in a computer system.

• To design software applications.

• To create graphical interfaces.

Which of the following is a component of a data communication system?

• Printer

• Modem

• Keyboard

• Monitor

What impact does an increasing number of users have on network performance?

• Enhances network speed.

• Degrades network performance.

• No effect on network efficiency.

• Reduces hardware costs.

In which transmission mode do all devices share the communication channel simultaneously?

• Simplex

• Half-duplex

• Full-duplex

• Multiplex

Assume 12 devices are arranged in a mesh topology. Determine the number of ports needed for each device.

• 6 ports

• 11 ports

• 5 ports

• 12 ports

Which organization is responsible for developing and maintaining communication standards?

• IEEE (Institute of Electrical and Electronics Engineers)

• FIFA (Fédération Internationale de Football Association)

• ISO (International Organization for Standardization)

• CIA (Central Intelligence Agency)

What does a Metropolitan Area Network cover?

• A larger geographical area than a Wide Area Network.

• A smaller geographical area than a Wide Area Network.

• The same geographical area as a Wide Area Network.

• Only residential areas.