Internet and Web Technologies MCQs

Computer

Internet and Web Technologies MCQs

Practice Internet MCQs covering WWW, browsers, search engines, URL, HTTP, HTTPS, email and web technologies with answers and explanations.

461
Total Questions

Practice Questions

Page 9 of 24
Question #161
What is the difference between HTTP and HTTPS regarding encryption?
A. Neither uses encryption
B. HTTP uses encryption, HTTPS does not
C. HTTPS uses encryption, HTTP does not
D. Both use encryption
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
HTTP transmits data in plain text, while HTTPS encrypts the communication using SSL/TLS, ensuring confidentiality and integrity.
This question belongs to: Computer Internet and Web Technologies
Question #162
Which of the following is a type of web-based attack that tricks a user into executing unwanted actions on a trusted site where they are authenticated?
A. SQL Injection
B. Phishing
C. CSRF
D. XSS
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Cross-Site Request Forgery (CSRF) forces an authenticated user to perform actions on a web application without their consent.
This question belongs to: Computer Internet and Web Technologies
Question #163
What does the term 'bandwidth' refer to in web hosting?
A. The amount of data that can be transferred per unit of time
B. The processing power of the server
C. The storage space on the server
D. The number of visitors to the site
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Bandwidth refers to the maximum amount of data transmitted over a network connection in a given time, often measured in Mbps or GB/month.
This question belongs to: Computer Internet and Web Technologies
Question #164
Which of the following is an example of a web browser extension?
A. AdBlock
B. Google Search
C. Firefox Monitor
D. Chrome Web Store
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
AdBlock is a popular browser extension that blocks advertisements. The Chrome Web Store is a store for extensions, not an extension itself.
This question belongs to: Computer Internet and Web Technologies
Question #165
What is the function of a 'webhook'?
A. To allow one web application to notify another of events via HTTP
B. To encrypt web traffic
C. To cache static content
D. To manage DNS records
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
A webhook is a way for an app to provide real-time information to other applications by sending HTTP requests when specific events occur.
This question belongs to: Computer Internet and Web Technologies
Question #166
Which of the following is a markup language used to define the structure of data, often used in web syndication (e.g., RSS)?
A. XML
B. HTML
C. JSON
D. YAML
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
XML is a markup language commonly used for RSS feeds and other data formats, though JSON is also used.
This question belongs to: Computer Internet and Web Technologies
Question #167
What is the purpose of the 'viewport' meta tag in HTML?
A. To define the initial scale
B. All of the above
C. To control the layout on mobile browsers
D. To set the zoom level
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
The viewport meta tag is used to set the visible area and scaling for mobile devices, including width, initial scale, etc.
This question belongs to: Computer Internet and Web Technologies
Question #168
Which of the following is a protocol used for managing network devices?
A. FTP
B. HTTP
C. SNMP
D. SMTP
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
SNMP (Simple Network Management Protocol) is used for monitoring and managing network devices.
This question belongs to: Computer Internet and Web Technologies
Question #169
What is the role of a web security certificate (SSL/TLS certificate)?
A. To block malicious content
B. To store user passwords
C. To authenticate the identity of a website and enable encrypted connection
D. To register domain names
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
An SSL/TLS certificate verifies the identity of a website and allows for encrypted communication via HTTPS.
This question belongs to: Computer Internet and Web Technologies
Question #170
Which of the following is a method to prevent email spam?
A. All of the above
B. SPF (Sender Policy Framework)
C. DMARC (Domain-based Message Authentication, Reporting & Conformance)
D. DKIM (DomainKeys Identified Mail)
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
SPF, DKIM, and DMARC are email authentication techniques used to prevent spoofing and reduce spam.
This question belongs to: Computer Internet and Web Technologies
Question #171
What does the acronym CSS stand for?
A. Computer Style Sheets
B. Cascading Style Sheets
C. Common Style Sheets
D. Creative Style Sheets
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
CSS stands for Cascading Style Sheets, used to describe the presentation of a document written in HTML.
This question belongs to: Computer Internet and Web Technologies
Question #172
Which of the following is a popular JavaScript library for building user interfaces?
A. Angular
B. Vue.js
C. All of the above
D. React
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
React, Angular, and Vue.js are all popular JavaScript frameworks/libraries for building front-end user interfaces.
This question belongs to: Computer Internet and Web Technologies
Question #173
What is the purpose of the 'action' attribute in an HTML form?
A. To validate form input
B. To define the HTTP method
C. To set the character encoding
D. To specify the URL where form data should be sent
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
The action attribute defines the URL to which the form's data is submitted when the form is submitted.
This question belongs to: Computer Internet and Web Technologies
Question #174
Which of the following is a type of web cookie that is deleted when the browser is closed?
A. Third-party cookie
B. Persistent cookie
C. Session cookie
D. Secure cookie
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Session cookies (non-persistent) exist only until the browser is closed, while persistent cookies have an expiration date.
This question belongs to: Computer Internet and Web Technologies
Question #175
What is the function of a web crawler in a search engine?
A. To manage user queries
B. To display ads
C. To discover and retrieve web pages for indexing
D. To rank search results
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
A web crawler (spider) systematically browses the web to collect pages for the search engine's index.
This question belongs to: Computer Internet and Web Technologies
Question #176
Which of the following is a valid scheme in a URL?
A. All of the above
B. http
C. ftp
D. https
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
http, https, and ftp are all valid URL schemes (protocols).
This question belongs to: Computer Internet and Web Technologies
Question #177
What is the purpose of the 'X-Frame-Options' HTTP header?
A. To prevent clickjacking by controlling iframe embedding
B. To specify content security policy
C. To set cookies
D. To enable CORS
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
X-Frame-Options is used to indicate whether a browser should be allowed to render a page in a , , or , helping to prevent clickjacking.
This question belongs to: Computer Internet and Web Technologies
Question #178
Which of the following is a type of web hosting where multiple websites share a single server?
A. VPS hosting
B. Cloud hosting
C. Shared hosting
D. Dedicated hosting
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Shared hosting means multiple websites reside on the same physical server and share resources.
This question belongs to: Computer Internet and Web Technologies
Question #179
What is the function of the 'ping' tool in relation to a URL?
A. To check if the web server is reachable
B. To resolve the domain to an IP
C. To test website speed
D. To trace the network route
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Ping sends ICMP echo requests to the host to determine connectivity and round-trip time.
This question belongs to: Computer Internet and Web Technologies
Question #180
Which of the following is a web standard developed by the World Wide Web Consortium (W3C)?
A. HTML
B. All of the above
C. CSS
D. XML
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
W3C develops and maintains many web standards, including HTML, CSS, and XML.
This question belongs to: Computer Internet and Web Technologies

More Computer Topics

Computer Abbreviations MCQs
Computer Fundamentals MCQs
Computer Hardware MCQs
Computer Networking MCQs
Computer Software MCQs
CPU (Central Processing Unit) MCQs
Cyber Security MCQs
Database Management System (DBMS) MCQs
Memory and Storage Devices MCQs
Microsoft Office MCQs
Operating Systems MCQs
Programming Languages MCQs
Today's Top Topics
Computer Networking 325 Computer Abbreviations 369 Internet and Web Technologies 461 Memory and Storage Devices 438 Database Management System (DBMS) 278
Explore Subjects
Geography GK 6121 Static General Knowledge 6362 Maths 5575 Economy GK 2220 English 15164
Practice Mix
Select the most appropriate meaning of the idiom: 'A queer fish'.
x86-64 is also known as:
My eyes are tired because I ___ on the computer for hours.
He stands ___ the door.
Which railway system is designed exclusively for urban mass rapid transport?