Internet Technologies and Web Concepts # MCQs Practice set

Q.1 Which protocol is used to transfer web pages over the Internet?

FTP
HTTP
SMTP
POP3
Explanation - HTTP (HyperText Transfer Protocol) is the protocol used for transferring web pages over the Internet.
Correct answer is: HTTP

Q.2 What does DNS stand for in Internet terminology?

Domain Name System
Digital Network Service
Data Name Server
Dynamic Network System
Explanation - DNS translates domain names into IP addresses, allowing browsers to load Internet resources.
Correct answer is: Domain Name System

Q.3 Which of the following is a valid IP address?

192.168.0.1
256.100.0.1
192.168.1.999
10.10.300.1
Explanation - IP addresses consist of four octets, each ranging from 0 to 255. 192.168.0.1 is valid.
Correct answer is: 192.168.0.1

Q.4 Which port is used by the HTTPS protocol?

80
21
443
25
Explanation - HTTPS (HyperText Transfer Protocol Secure) uses port 443 for secure communication over the Internet.
Correct answer is: 443

Q.5 Which of these is not a web browser?

Firefox
Chrome
Opera
Python
Explanation - Python is a programming language, not a web browser.
Correct answer is: Python

Q.6 What is the main function of a web server?

To store and deliver web pages
To encrypt emails
To manage databases
To provide antivirus protection
Explanation - A web server hosts websites and delivers web pages to clients over the Internet.
Correct answer is: To store and deliver web pages

Q.7 Which tag is used to display an image in HTML?

<image>
<img>
<picture>
<src>
Explanation - The <img> tag in HTML is used to embed images on a web page.
Correct answer is: <img>

Q.8 What does URL stand for?

Uniform Resource Locator
Universal Resource Link
Uniform Reference Locator
Universal Reference Link
Explanation - A URL is the address of a resource on the Internet, such as a web page.
Correct answer is: Uniform Resource Locator

Q.9 Which of the following is a secure version of HTTP?

HTTPS
HTT
HTTP2
FTP
Explanation - HTTPS uses encryption (SSL/TLS) to secure data transferred between a web browser and server.
Correct answer is: HTTPS

Q.10 What is the default protocol for sending emails?

SMTP
HTTP
FTP
IMAP
Explanation - SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending emails.
Correct answer is: SMTP

Q.11 Which of these is a client-side scripting language?

JavaScript
PHP
Python
Java
Explanation - JavaScript is executed on the client's browser, making it a client-side scripting language.
Correct answer is: JavaScript

Q.12 Which of the following is a type of web hosting?

Shared Hosting
Cloud Hosting
Dedicated Hosting
All of the above
Explanation - Web hosting can be shared, dedicated, or cloud-based depending on the resources provided.
Correct answer is: All of the above

Q.13 What is the main purpose of cookies on a website?

To store user data
To block ads
To increase server speed
To encrypt passwords
Explanation - Cookies store information about user sessions, preferences, and activities on a website.
Correct answer is: To store user data

Q.14 Which layer of the Internet is responsible for IP addressing?

Application Layer
Network Layer
Transport Layer
Data Link Layer
Explanation - The Network Layer handles routing and IP addressing for data packets over the Internet.
Correct answer is: Network Layer

Q.15 Which of the following is an example of a top-level domain (TLD)?

.com
.html
.jpg
.php
Explanation - Top-level domains (TLDs) include .com, .org, .net, and country codes like .in, .uk, etc.
Correct answer is: .com

Q.16 Which command is used to check connectivity with another device on the network?

ping
ipconfig
tracert
nslookup
Explanation - The 'ping' command sends packets to a network host to check connectivity and response time.
Correct answer is: ping

Q.17 Which of the following is not a search engine?

Google
Bing
Yahoo
HTML
Explanation - HTML is a markup language, not a search engine.
Correct answer is: HTML

Q.18 Which protocol is used to retrieve emails from a server?

IMAP
FTP
SMTP
HTTP
Explanation - IMAP (Internet Message Access Protocol) is used to retrieve emails from a mail server.
Correct answer is: IMAP

Q.19 Which technology is used to make web pages interactive?

CSS
HTML
JavaScript
SQL
Explanation - JavaScript allows developers to create dynamic and interactive web pages.
Correct answer is: JavaScript

Q.20 Which of the following is a markup language?

HTML
Python
Java
C++
Explanation - HTML (HyperText Markup Language) is used to structure and display content on the web.
Correct answer is: HTML

Q.21 Which of the following is used to uniquely identify devices on the Internet?

IP Address
MAC Address
Hostname
URL
Explanation - An IP address uniquely identifies a device on a network or the Internet.
Correct answer is: IP Address

Q.22 Which of these is an example of a web-based email service?

Gmail
Outlook (Desktop)
Thunderbird
MS Word
Explanation - Gmail is an email service accessible via a web browser.
Correct answer is: Gmail

Q.23 Which of the following HTTP status codes indicates 'Page Not Found'?

200
404
500
301
Explanation - HTTP status code 404 indicates that the requested resource could not be found on the server.
Correct answer is: 404

Q.24 What does SSL stand for in web security?

Secure Socket Layer
Safe System Login
Secure Server Link
Simple Socket Layer
Explanation - SSL is a standard security protocol for encrypting data transmitted over the Internet.
Correct answer is: Secure Socket Layer

Q.25 Which of the following is a cloud-based web service model?

IaaS
PaaS
SaaS
All of the above
Explanation - Cloud services include Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).
Correct answer is: All of the above