Class 12 Computer Networks & Security Basics
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Q1 · MCQ · 1 mark
Which of the following is a device that connects multiple computer networks and forwards data packets between them?
Q2 · MCQ · 1 mark
What does the acronym 'URL' stand for in the context of the Internet?
Q3 · MCQ · 1 mark
Which network topology connects every computer to a central hub or switch?
Q4 · MCQ · 1 mark
Which of these is a common wireless networking standard?
Q5 · MCQ · 1 mark
What is the primary purpose of a firewall in network security?
Q6 · FILL · 1 mark
A set of rules that governs communication between devices on a network is called a _________.
Q7 · FILL · 1 mark
The 'http' in a web address stands for _________ Transfer Protocol.
Q8 · FILL · 1 mark
Malicious software designed to disrupt, damage, or gain unauthorized access to a computer system is commonly known as _________.
Q9 · SHORT · 2 marks
Briefly explain the difference between a Local Area Network (LAN) and a Wide Area Network (WAN).
Q10 · SHORT · 2 marks
What is phishing, and how can users protect themselves from it?