ICT Concepts for Grade 12

What is the primary function of a web browser?

• To retrieve and display web content.

• To manage network security.

• To store user data.

• To create web content.

Name three popular web browsers.

• Safari

• Opera Mini

• Internet Explorer 11

• Google Chrome, Mozilla Firefox, Microsoft Edge

What does HTML stand for?

• HyperText Markup Language

• Hyperlink Text Markup Language

• HighText Markup Language

• HyperText MultiLanguage

What is the purpose of HTML tags?

• The purpose of HTML tags is to structure and format content on a webpage.

• To enhance the security of a website.

• To store data in a database.

• To create animations on a webpage.

Which HTML tag is used to create a hyperlink?

What is the role of a router in a network?

• A router connects devices within the same network only.

• A router is used to store data packets permanently.

• A router provides power to network devices.

• The role of a router in a network is to direct data packets between different networks and determine the best path for data transmission.

Define a switch in networking terms.

• A switch is a type of router used for internet connectivity.

• A switch is a firewall that protects a network from intrusions.

• A switch is a networking device that connects devices in a LAN and forwards data based on MAC addresses.

• A switch is a device that amplifies signals in a network.

What are the main types of network topologies?

• Star, Bus, Ring, Mesh, Tree

• Square

• Hexagon

• Circle

Describe a star topology.

• A star topology is a decentralized network where each node operates independently.

• A star topology connects all nodes in a linear fashion.

• In a star topology, nodes communicate directly with each other without a central hub.

• A star topology is a network layout where all nodes are connected to a central hub or switch.

What is a disadvantage of a bus topology?

• Single point of failure due to reliance on a central cable.

• Cost-effective due to minimal cabling requirements.

• Easy to troubleshoot and isolate issues.

• High data transfer speed due to multiple connections.