III Short answer type questions:
1. What is the Internet?
2. What is a Web page?
3.
Define the following terms:
b. Web Server
a. Www
d. SSH Protocol
C. Web browser
4.
What is a website? How is it different from a web page?
5.
What do you mean by Surfing the web?
6.
What is the role of a Web server in the working of the Internet?
7. What is an ISP? Give examples of some ISPs.
8. What is a MODEM?
9. Expand the following terms:
i. URL
ii. HTML
iii. DNS
iv. HTTP
10. What is a Protocol?
11. What is HTTPS?
12. Name any three protocols that help to transfer files over the Internet.
Answers
Explanation:
1. The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices.
2. a hypertext document connected to the World Wide Web.
3.
a. world wide web (www)
b. A web server is server software, or hardware dedicated to running this software, that can satisfy client requests on the World Wide Web. A web server can, in general, contain one or more websites. A web server processes incoming network requests over HTTP and several other related protocols.
c. A web browser (commonly referred to as a browser) is a software application for accessing information on the World Wide Web. When a user requests a web page from a particular website, the web browser retrieves the necessary content from a web server and then displays the page on the user's device.
d. Secure Shell is a cryptographic network protocol for operating network services securely over an unsecured network. Typical applications include remote command-line, login, and remote command execution, but any network service can be secured with SSH.
4. a set of related web pages located under a single domain name.
Using the same book analogy, while a webpage is a page from a book, a website is the book itself. It is a collection of the pages that share a common thread.
5. Internet Surfing as it is popularly known means to go from one page to another on the Internet, browsing for topics of interest. Internet Surfing usually involves: ▪ Starting an Internet browser.
6. A web server processes incoming network requests over HTTP and several other related protocols. The primary function of a web server is to store, process and deliver web pages to clients. The communication between client and server takes place using the Hypertext Transfer Protocol (HTTP).
7. An Internet Service Provider (ISP) is a company such as AT&T, Verizon, Comcast, or BrightHouse that provides Internet access to companies, families, and even mobile users. ISPs use fiber-optics, satellite, copper wire, and other forms to provide Internet access to its customers.
8. A modem – a portmanteau of "modulator-demodulator" – is a hardware device that converts data from a digital format, intended for communication directly between devices with specialized wiring, into one suitable for a transmission medium such as telephone lines or radio.
9.
i. Uniform Resource Locator
ii. Hypertext Markup Language
iii. Domain Name System
iv. Hypertext Transfer Protocol
10. A set of rules governing the exchange or transmission of data between devices.
11. Hypertext Transfer Protocol Secure (HTTPS) is an extension of the Hypertext Transfer Protocol (HTTP). It is used for secure communication over a computer network, and is widely used on the Internet. ... The protocol is therefore also referred to as HTTP over TLS, or HTTP over SSL.
12.
- FTP (File Transfer Protocol)
- HTTP (Hypertext Transfer Protocol)
- FTPS (FTP over SSL)
- HTTPS (HTTP over SSL)
- SFTP (SSH File Transfer Protocol)
- SCP (Secure Copy)
- WebDAV (Web Distributed Authoring and Versioning)
- WebDAVS.