Data Communication Concepts and Components

What is networking in the context of data communication?

• Creating a connection between a sender and a receiver

• Storing data in a database

• Encrypting data for security

• Deleting unnecessary data

Which component is responsible for sending data in data communication?

• Receiver

• Medium

• Sender/Source

• Network

Which of the following is NOT a component of data communication?

• Sender/Source

• Medium

• Receiver/Destination

• Database

What is the main function of a sender/source in data communication?

• To receive data

• To transmit data

• To store data

• To delete data

What is an example of a device that uses Simplex Mode?

• Walkie-talkie

• Television

• Telephone

• Computer

What is the maximum suitable distance for data transmission using Unshielded Twisted Pair (UTP) cables?

• 50 meters

• 100 meters

• 200 meters

• 500 meters

Which type of cable is used in modern telephone networks due to its data transmission method?

• Unshielded Twisted Pair (UTP)

• Shielded Twisted Pair (STP)

• Coaxial Cable

• Fiber Optics Cable

What is the main disadvantage of Unshielded Twisted Pair (UTP) cables?

• High cost

• Limited distance for data transmission

• Complex installation

• Heavy weight

How is data transmitted in Fiber Optics cables?

• Through electrical signals

• By reflecting light

• Using magnetic fields

• Via sound waves

What is the main characteristic of Shielded Twisted Pair (STP) cables compared to Unshielded Twisted Pair (UTP)?

• Less secure

• More expensive

• Less flexible

• Shorter distance