Question: Among services available on the World Wide Web are (i)Encryption (ii)HTTP (iii)HTML (iv)Firewalls

Answer:

Among the services available on the World Wide Web are:

(i) Encryption: Encryption is a service that ensures secure communication and protects data privacy on the web. It involves encoding information in such a way that it can only be decoded or decrypted by authorized parties. Encryption is commonly used for securing online transactions, protecting sensitive data, and maintaining confidentiality.

(ii) HTTP: HTTP (Hypertext Transfer Protocol) is a protocol that enables the transfer of information and data on the web. It defines how web browsers and web servers communicate with each other. HTTP is the foundation of web browsing and is responsible for retrieving web pages, sending data between client and server, and handling various types of web requests.

(iii) HTML: HTML (Hypertext Markup Language) is the standard markup language used for creating web pages and displaying content on the World Wide Web. It provides the structure and formatting for web documents, allowing the inclusion of text, images, links, multimedia elements, and more. Web browsers interpret HTML code to render web pages to users.

(iv) Firewalls: While firewalls are not a service provided directly by the World Wide Web, they play a crucial role in network security, including web-related activities. Firewalls are security mechanisms that monitor and control incoming and outgoing network traffic. They help protect networks and systems from unauthorized access, malicious activities, and potential threats, including those originating from the web. Firewalls often regulate web traffic by allowing or blocking specific types of connections, ports, or protocols.