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 2 of 23

Easy
  • A. Meta
  • B. Beta
  • C. Delta
  • D. Face point

Explanation: Facebook's parent company changed its corporate name to Meta in October 2021. The Facebook social-media platform retained the Facebook name.

Correct answer: Meta
Fairly easy
  • A. CNNET
  • B. NSFNET
  • C. ASAPNET
  • D. ARPANET

Explanation: ARPANET, established by the U.S. Advanced Research Projects Agency, is widely regarded as the first operational packet-switching network…

Correct answer: ARPANET
Fairly easy
  • A. Client
  • B. Program
  • C. Network
  • D. Backbone

Explanation: E-mail exchanges messages through a computer network, which connects senders and recipients using mail servers.

Correct answer: Network
Fairly easy
  • A. Blue text with Bold
  • B. Blue text with Italic
  • C. Blue text with without underline
  • D. Blue text with underline

Explanation: In the traditional appearance of web documents, an unvisited hyperlink is shown as blue, underlined text.

Correct answer: Blue text with underline
Very hard
  • A. Ray Noorda
  • B. Vint Cerf
  • C. Google
  • D. Novell

Explanation: Ray Noorda is often called the father of computer networking because of his major role in developing Novell's network software and…

Correct answer: Ray Noorda
Hard
  • A. Internet chat
  • B. Web browsing
  • C. E-mail
  • D. ping

Explanation: Ping is a network diagnostic utility that uses ICMP echo messages rather than a typical client-server application service.

Correct answer: ping
Fairly easy
  • A. Setting
  • B. Topology
  • C. Processing
  • D. Wiring

Explanation: Topology describes the arrangement or layout of computers and connections in a network, such as star, bus, or ring.

Correct answer: Topology
Hard
  • A. DNS
  • B. DHCP
  • C. NetBIOS
  • D. NetLink

Explanation: DHCP automatically provides hosts with TCP/IP settings such as an IP address, subnet mask, gateway, and DNS server.

Correct answer: DHCP
Moderate
  • A. IFSC
  • B. IMPS
  • C. ATM
  • D. IFS

Explanation: IMPS, or Immediate Payment Service, enables instant bank transfers through mobile and other electronic channels.

Correct answer: IMPS
Moderate
  • A. Routing
  • B. Selecting
  • C. Pathing
  • D. Directing

Explanation: Routing determines a suitable path for forwarding packets from their source network to the destination network.

Correct answer: Routing
Hard
  • A. Repeaters
  • B. Routers
  • C. Application gateway
  • D. Bridge

Explanation: A bridge operates at the OSI data-link layer and forwards frames using MAC addresses.

Correct answer: Bridge
Hard
  • A. Adhoc mode
  • B. Infrastructure mode
  • C. Structured mode
  • D. Anonymous mode

Explanation: In ad hoc mode, wireless devices communicate directly with one another without requiring an access point.

Correct answer: Adhoc mode
Fairly easy
  • A. Access control
  • B. Congestion
  • C. Error propagation
  • D. Deadlock

Explanation: Congestion occurs when traffic offered to a network exceeds its capacity, causing delays, packet loss, or inability to deliver data.

Correct answer: Congestion
Hard
  • A. Repeater
  • B. Router
  • C. Transport Gateway
  • D. Bridge

Explanation: A repeater operates at the physical layer by regenerating and retransmitting signals.

Correct answer: Repeater
Easy
  • A. Processing
  • B. Network
  • C. Chatting
  • D. Centralized System

Explanation: A network is a group of computers and other devices connected so they can communicate and share resources.

Correct answer: Network
Fairly easy
  • A. Network
  • B. Mainframe
  • C. Supercomputer
  • D. Client

Explanation: A server provides files, applications or other resources to computers connected to a network.

Correct answer: Network
Very hard
  • A. User information is changed into data.
  • B. Frames are placed into bits
  • C. Segments are changed into datagram and packets.
  • D. Packets are placed into logical frame.

Explanation: Encapsulation proceeds from data to segments, packets, frames, and finally bits for transmission over the physical medium.

Correct answer: Frames are placed into bits
Moderate
  • A. 2
  • B. 4
  • C. 6
  • D. None of these

Explanation: HTML provides six heading levels, from h1, the most important, through h6, the least important.

Correct answer: 6
Hard
  • A. layer 2
  • B. layer 4
  • C. layer 3
  • D. All of above

Explanation: A router makes forwarding decisions using logical IP addresses, which is the main function of OSI Layer 3, the network layer.

Correct answer: layer 3
Moderate
  • A. Electronic mail
  • B. External mail
  • C. Electronic Messaging Advice and Information
  • D. Both A and C

Explanation: E-mail is short for electronic mail, meaning messages sent electronically through a communications network.

Correct answer: Electronic mail