Free Networking and Internet MCQs with Answers
452 Networking and Internet MCQs from Computer Science and IT, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.
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452 questions · page 15 of 23
- A. image data
- B. Audio data
- C. Numeric data
- D. Text data
Explanation: This is the correct answer. The image you sent includes a chart, graph, picture, and text, which are all visual representations of data.
Correct answer: image data- A. Guided media
- B. Unguided media
- C. Bounded media
- D. Modem
Explanation: Unguided media is a type of transmission media that transmits signals through the air, water, or space.
Correct answer: Unguided media- A. Serial transmission
- B. Asynchronous transmission
- C. Synchronous transmission
- D. Parallel transmission
Explanation: Synchronous transmission relies on a clock signal to control the timing of bits.
Correct answer: Synchronous transmission- A. Modulation
- B. Demodulation
- C. Signaling
- D. Transmission
Explanation: Transmission - This is incorrect. Transmission is the act of sending a signal over a communication channel.
Correct answer: Transmission- A. Full duplex
- B. Half duplex
- C. Simplex mode
- D. Double duplex mode
Explanation: In half-duplex communication, data can only flow in one direction at a time, but the direction can be switched.
Correct answer: Simplex mode- A. Data
- B. Audio
- C. Video
- D. All of them
Explanation: Baseband media refers to a transmission medium that carries a signal without any modulation.
Correct answer: All of them- A. Broadband
- B. Baseband
- C. Narrowband
- D. Broadcast
Explanation: This is correct. Broadband refers to a type of signal that can carry a wide range of frequencies.
Correct answer: Broadband- A. 16
- B. 32
- C. 64
- D. 128
Explanation: The 32-bit internal structure of the computer refers to the number of bits that the computer can process at a time.
Correct answer: 32- A. Asynchronous
- B. Synchronous
- C. Intermittent
- D. Pulse
Explanation: This is correct. A synchronous transmission is a type of transmission that coordinates the speed of the engine and the transmission shaft…
Correct answer: Synchronous- A. ISO (International Organization for Standardization)
- B. ANSI (American National Standards Institute)
- C. IBM (International Business Machines)
- D. Microsoft
Explanation: ANSI is a private non-profit organization in the United States that oversees the development of standards for technology, including the…
Correct answer: ANSI (American National Standards Institute)- A. :Asynchronous transmission
- B. Synchronous transmission
Explanation: Transmission of data character by character is:Asynchronous transmission transmits data one character at a time.
Correct answer: :Asynchronous transmission- A. 100 mbps
- B. 1000 mbps
- C. 10 mbps
Explanation: Coaxial cable is a type of cable that consists of an inner conductor, an insulating layer, a braided metal shield, and an outer jacket.
Correct answer: 1000 mbps- A. 2
- B. 4
- C. 6
- D. 8
Explanation: This is correct. There are two main types of data transmission based on the direction of data flow: simplex and duplex.
Correct answer: 2- A. BCD (Binary-Coded Decimal)
- B. EBCDIC (Extended Binary Coded Decimal Interchange Code)
- C. ASCII (American Standard Code for Information Interchange)
- D. Unicode
Explanation: Unicode is a character encoding standard that can represent a very large number of characters, including almost all the world's writing…
Correct answer: Unicode- A. 10-20 miles
- B. 20-25 miles
- C. 20-30 miles
- D. 10 Gbps
Explanation: microwave towers are placed at a distance of 20-25 miles. It is important to note that this is a general guideline and the actual distance…
Correct answer: 20-25 miles- A. Bytes per second
- B. Bits per second
- C. Ends per second
- D. Excessive packets per second
Explanation: This is correct. Bits are the basic unit of information in computing and telecommunications, and eps refers to the rate at which these…
Correct answer: Bits per second- A. 62.5 mm
- B. 62.5 microns
- C. 6.25 cm
- D. 5.62 microns
Explanation: The correct answer is (b) 62.5 microns.62.5 mm is too large for a fiber optic cable.
Correct answer: 62.5 microns298. IBM stands for:
- A. International Business Machines
- B. International Binary Machine
- C. Internal Business Machine
- D. International Binary Mechanism
Explanation: The correct answer is (a) International Business Machines.
Correct answer: International Business Machines- A. Microwave communication
- B. Mobile communication
- C. Wireless communication
- D. Satellite
Explanation: This is correct. Mobile communication is a type of radio-based network that allows users to connect to a network from a mobile device.
Correct answer: Mobile communication- A. Simplex
- B. Half-duplex
- C. Full-duplex
- D. FDM (Frequency Division Multiplexing)
Explanation: FDM is a technique for dividing a transmission medium (like a cable or radio spectrum) into multiple channels.
Correct answer: FDM (Frequency Division Multiplexing)