Free Networking and Internet MCQs with Answers

71. MODEM stands for ________?

• A. Modulation And Demodulation
• B. Modulator And Demodulator
• C. Modulator And Electronic Demodulator
• D. Modulator Or Digital Electronic Demodulator

Explanation: A modem combines a modulator, which converts digital data into transmittable signals, and a demodulator, which converts received signals back. Thus, Modulator and Demodulator is the intended expansion.

72. HTML stands for ________?

• A. Hyper Text Magic Line
• B. Hyper Text Markup Line
• C. Hyper Text Markup Language
• D. High Text Markup Language

Explanation: HTML means HyperText Markup Language, the markup language used to structure content on web pages. “Markup” describes the tags that identify headings, links, paragraphs, and other elements.

73. TCP stands for ________?

• A. Transmission Centric Protocol
• B. Transfer Control Protocol
• C. Transmission Control Protocol
• D. Transmission Control Process

Explanation: TCP means Transmission Control Protocol and provides reliable, ordered delivery of data across networks. “Protocol” refers to the agreed rules for communication, not a transmission process.

74. NOS stands for ________?

• A. New Operating System
• B. Network Operating Source
• C. Network Operating System
• D. Network Original System

Explanation: NOS means Network Operating System, software that provides network services such as user management, shared resources, and network administration. “Source” and “original” do not describe this operating-system category.

75. IP stands for ________?

• A. Intranet Process
• B. Internet Process
• C. Intranet Protocol
• D. Internet Protocol

Explanation: IP means Internet Protocol, the network-layer protocol used to address and route packets between networks. “Internet Process” is a tempting but incorrect expansion.

76. MAC stands for ________?

• A. Mass Access Control
• B. Media Access Control
• C. Mass Access Carraige
• D. Media Access Carraige

Explanation: MAC means Media Access Control, the data-link sublayer concerned with hardware addressing and access to the transmission medium. “Mass Access Control” is not a networking term.

77. FTP stands for ________?

• A. Fix Transfer Protocol
• B. File Transfer Procedure
• C. File Transfer Protocol
• D. First Transfer Protocol

Explanation: FTP means File Transfer Protocol, used to transfer files between a client and a server. “Protocol” identifies a defined set of communication rules, unlike the vague word “procedure.”

78. NIC stands for

• A. Network Information center
• B. Network Identity Card
• C. Network Interface Card
• D. Network Internet Card

Explanation: NIC means Network Interface Card, the hardware that connects a computer to a network. It may also be called a network interface controller or adapter.

79. RJ45 UTP cable has ______ cables.

• A. 2 pair
• B. 3 pair
• C. 4 pair
• D. 5 pair

Explanation: A standard RJ45 UTP Ethernet cable contains four twisted pairs, or eight individual wires. The pairs reduce electromagnetic interference between the conductors.

80. In peer-to-peer networking:

• A. there is only one server and many clients
• B. there is only one client and many servers
• C. every computer is capable of playing the role of server
• D. every computer is capable of playing the role of client, server or both at the same time

Explanation: In peer-to-peer networking, there is no permanently dedicated central server. Each computer can act as a client, a server, or both, depending on the resource being requested or shared.