Network and Communication Long Quiz 1

What is data communication?

• The process of transmitting and receiving data between two or more devices over a communication channel

• The process of converting analog signals into digital signals

• The physical pathway through which data is transmitted

• The device that initiates the data transmission

What are the components of data communication?

• Sender, Receiver, Medium/Channel, Protocol

• Modem, Protocol, Encoding techniques

• Parallel Transmission, Serial Transmission, Modem

• Video conferences, IP phones, Instant messaging

How does data transmission occur?

• Bit by bit over a single communication channel

• Simultaneously over separate communication channels

• Through the use of appropriate protocols and encoding techniques

• By converting digital signals into analog signals

What are the benefits of wireless data communication?

• Mobility, flexibility, and convenience

• Faster data transfer and less susceptible to errors

• More reliable but slower compared to parallel transmission

• Enables the transfer of data between two or more devices

How does data communication ensure security?

• Through the use of appropriate protocols and hardware devices

• By converting digital signals into analog signals

• By transmitting data bit by bit over a single communication channel

• By connecting computers and computerized peripherals

What is a computer network?

• A system of interconnected computers and computerized peripherals

• The physical pathway through which data is transmitted

• A device that converts digital signals into analog signals

• The process of transmitting and receiving data between two or more devices

How are computer networks classified based on geographical span?

• On a table, within a building, across a city, across multiple cities or provinces, covering the whole world

• Within a building, across a city, across multiple cities or provinces, covering the whole world

• Across a city, across multiple cities or provinces, covering the whole world

• Across multiple cities or provinces, covering the whole world

How are computer networks classified based on inter-connectivity?

• On a table, within a building, across a city, across multiple cities or provinces, covering the whole world

• Within a building, across a city, across multiple cities or provinces, covering the whole world

• Across a city, across multiple cities or provinces, covering the whole world

• Across multiple cities or provinces, covering the whole world

How are computer networks classified based on administration?

• On a table, within a building, across a city, across multiple cities or provinces, covering the whole world

• Within a building, across a city, across multiple cities or provinces, covering the whole world

• Across a city, across multiple cities or provinces, covering the whole world

• Across multiple cities or provinces, covering the whole world