Free Networking and Internet MCQs with Answers

• A. Baseband
• B. Broadband
• C. Bandwidth
• D. Modulation

Explanation: This is correct. Modulation is the process of adding information to a carrier signal for transmission.

• A. 0
• B. 1

Explanation: In asynchronous transmission, a constant value, typically a high voltage level (logic 1), is used to represent an idle line.

• A. Baseband
• B. Broadband
• C. Bandwidth
• D. VPN

Explanation: VPN (Virtual Private Network) is not directly a modulation technique. However, VPNs can be used to tunnel data over long distances using…

• A. 20 times greater than twisted pair
• B. 40 times greater than twisted pair
• C. 80 times greater than twisted pair

Explanation: The answer is most likely (b) 20 times greater than twisted pair.Coaxial cables generally have a higher bandwidth than twisted pair…

• A. Self testing
• B. Transmission rate
• C. All of these

Explanation: The correct answer is (d) All of these.In summary, modems have a variety of features, including speed, self-testing (on some models), and…

• A. 3,000 miles
• B. 35,889 miles
• C. 23,300 miles
• D. 30,000 miles

Explanation: Geosynchronous satellites, which are used for applications like weather monitoring and television broadcasting, orbit the Earth at an…

• A. Transceivers
• B. Receivers
• C. Earth stations
• D. Transmitters

Explanation: The answer is (a) Transceivers.In summary, a transceiver is a device that can both transmit and receive signals.

• A. Mountains
• B. Moon
• C. Light rays
• D. Transmitters

Explanation: The answer is (d) Transmitters.The quality of the signal transmitted from the ground station on Earth significantly affects the quality of…

• A. External modem
• B. Wireless modem
• C. Internal modem
• D. Router

Explanation: The answer is (b) Wireless modem.Wireless modems transmit signals using radio waves, which eliminates the need for a physical cable…

• A. Serial port
• B. Parallel port
• C. (c) Both (a) and (b)
• D. USB port

Explanation: The answer is (d) USB port.In summary, the mcqs depicts an external modem connected to a computer via a USB port.

• A. 96bps
• B. 9600bps
• C. 960bps
• D. 56bps

Explanation: The option (b), 9600bps, is the most common data transfer speed for dial-up modems.

• A. Computers
• B. Telephones
• C. Workstations
• D. All of these

Explanation: The answer is (d) All of these.In essence, any device that can connect to a network and transfer data can be a sender or receiver in data…

• A. Data movement
• B. Data transferring
• C. Data communication
• D. Data Modulation

Explanation: The answer is (c) Data communication. In summary, data communication refers to the exchange of information between computers and other…

• A. Modification / DE modification
• B. Modulation / Demodulation

Explanation: In classical transmission system ,modulation and demodulation are the most common types of modifications made to a signal.Modulation…

• A. Analog Signal
• B. Digital signal
• C. Signals
• D. All of these

Explanation: The answer is (b) Digital signal.Analog signals are continuous signals that represent information by continuously changing some property…

• A. Analog signals
• B. Digital

Explanation: In digital communication, data is represented by a series of discrete pulses of light.

• A. Simplex
• B. Parallel
• C. Asynchronous
• D. Full duplex

Explanation: Simplex communication refers to a type of communication channel where data can only flow in one direction at a time.

• A. Simplex
• B. Half duplex
• C. Full duplex
• D. All of these

Explanation: Therefore, the most likely answer is (d) All of these.

• A. 1
• B. All of these
• C. Bit

Explanation: The answer is (c) Bit.A bit is the smallest unit of data in a computer and can hold only one of two values: 0 or 1.

• A. serial
• B. Asynchronous
• C. Synchronous
• D. Packet Switching

Explanation: In computer networks, serial transmission refers to a type of data transmission where data bits are sent one after the other over a single…