Internet and Web Technologies MCQs

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Internet and Web Technologies MCQs

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

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Total Questions

Practice Questions

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Question #241
Which of the following is a web technology used to create interactive maps?
A. Leaflet
B. Google Maps API
C. All of the above
D. OpenLayers
Discuss
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Correct Answer: Option C

Explanation:
Leaflet, Google Maps API, and OpenLayers are all JavaScript libraries for embedding interactive maps in web pages.
This question belongs to: Computer Internet and Web Technologies
Question #242
What is the role of a web application server?
A. To handle email
B. To manage databases
C. To serve static files only
D. To execute server-side code and generate dynamic content
Discuss
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Correct Answer: Option D

Explanation:
An application server runs the business logic, processes requests, and generates dynamic content, often in conjunction with a web server.
This question belongs to: Computer Internet and Web Technologies
Question #243
Which of the following is a technique to improve web security by setting limits on what resources can be loaded?
A. Same-origin policy
B. Content Security Policy (CSP)
C. CORS
D. All of the above
Discuss
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Correct Answer: Option B

Explanation:
CSP is a security feature that allows a site to define a whitelist of allowed sources for content, mitigating XSS and other attacks.
This question belongs to: Computer Internet and Web Technologies
Question #244
What is the purpose of the 'accept-charset' attribute in an HTML form?
A. To validate input
B. To set the form's character set
C. To specify the character encodings accepted for form submission
D. To define the content type
Discuss
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Correct Answer: Option C

Explanation:
The accept-charset attribute specifies the character encodings that the server accepts when the form is submitted.
This question belongs to: Computer Internet and Web Technologies
Question #245
Which of the following is a popular web-based diagramming tool?
A. All of the above
B. Draw.io
C. Creately
D. Lucidchart
Discuss
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Correct Answer: Option A

Explanation:
Lucidchart, Draw.io, and Creately are all web-based tools for creating diagrams and flowcharts.
This question belongs to: Computer Internet and Web Technologies
Question #246
What is the function of the 'HTTPS' protocol in securing web transactions?
A. All of the above
B. To authenticate the server
C. To encrypt data between client and server
D. To ensure data integrity
Discuss
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Correct Answer: Option A

Explanation:
HTTPS provides encryption, server authentication (via certificates), and data integrity through SSL/TLS.
This question belongs to: Computer Internet and Web Technologies
Question #247
Which of the following bodies manages the allocation of IP addresses, domain name management, and protocol identifiers globally?
A. IETF
B. ICANN
C. W3C
D. IEEE
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Correct Answer: Option B

Explanation:
ICANN (Internet Corporation for Assigned Names and Numbers) coordinates the global internet's systems of unique identifiers, including IP addresses and the Domain Name System.
This question belongs to: Computer Internet and Web Technologies
Question #248
Which of the following ports is the standard default port for unencrypted POP3 email retrieval?
A. 25
B. 995
C. 143
D. 110
Discuss
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Correct Answer: Option D

Explanation:
Port 110 is the traditional network port allocated for unencrypted Post Office Protocol version 3 (POP3) traffic.
This question belongs to: Computer Internet and Web Technologies
Question #249
What is the primary function of an ISP in computer networks?
A. To manage local browser history caches
B. To translate source domain codes
C. To provide internet connectivity to end users
D. To store corporate user database systems
Discuss
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Correct Answer: Option C

Explanation:
An ISP (Internet Service Provider) is a commercial or institutional company that provides infrastructure and services to access and use the internet.
This question belongs to: Computer Internet and Web Technologies
Question #250
Which protocol is utilized by network administrators to dynamically assign local IP addresses automatically to devices joining a network?
A. FTP
B. DHCP
C. DNS
D. SMTP
Discuss
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Correct Answer: Option B

Explanation:
DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses and network configuration parameters to client devices dynamically.
This question belongs to: Computer Internet and Web Technologies
Question #251
What kind of network attack redirects a user from a legitimate website to a fraudulent one by altering the local DNS cache or host records?
A. Spamming
B. Phishing
C. DDoS
D. Pharming
Discuss
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Correct Answer: Option D

Explanation:
Pharming is a cyberattack intended to redirect a website's traffic to another fake site by spoofing DNS records or host configuration settings.
This question belongs to: Computer Internet and Web Technologies
Question #252
In internet technology, what is the term used for the quantitative capacity of a wired or wireless network link to transmit data over a specific period?
A. Frequency
B. Bandwidth
C. Velocity
D. Latency
Discuss
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Correct Answer: Option B

Explanation:
Bandwidth measures the maximum volume of data that can be transferred across an internet connection in a given unit of time, typically calculated in Mbps or Gbps.
This question belongs to: Computer Internet and Web Technologies
Question #253
Which component of a URL structure details the exact network communication mechanism used to request the resource from a remote server?
A. Query String Parameter
B. Protocol/Scheme
C. Domain Name
D. Subdirectory Path
Discuss
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Correct Answer: Option B

Explanation:
The protocol/scheme part (like http, https, ftp) informs the client browser which set of rules to use to access that network address.
This question belongs to: Computer Internet and Web Technologies
Question #254
What primary feature separates Web 2.0 from the original foundational Web 1.0 architecture?
A. User-generated dynamic content and social interaction platforms
B. Transition from plain text to graphical image files
C. The absolute elimination of web cookie usage
D. Exclusive dependency on high-speed satellite hardware connections
Discuss
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Correct Answer: Option A

Explanation:
Web 2.0 represents the shift from static, read-only web pages to dynamic platforms that prioritize user interaction, collaboration, and crowdsourced content creation.
This question belongs to: Computer Internet and Web Technologies
Question #255
Which internet protocol layer is responsible for routing data packets across multiple networks from the source computer host to the destination host?
A. Network Layer
B. Application Layer
C. Data Link Layer
D. Physical Layer
Discuss
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Correct Answer: Option A

Explanation:
The Network Layer (or Internet layer in TCP/IP) manages packet routing, logical addressing, and path determination using protocols like IP.
This question belongs to: Computer Internet and Web Technologies
Question #256
Which of the following network utilities is used to test the active reachability of a remote host across an Internet Protocol network and measure round-trip time?
A. Netstat
B. Traceroute
C. Ping
D. Ipconfig
Discuss
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Correct Answer: Option C

Explanation:
Ping sends ICMP Echo Request packets to a target host and measures the time it takes to receive an Echo Reply back, verifying connection performance.
This question belongs to: Computer Internet and Web Technologies
Question #257
What is the primary objective of using a Content Delivery Network (CDN) in modern web application deployments?
A. To dynamically change structural HTML text files automatically
B. To manage remote email transport queues
C. To provide local multi-tab browsing interfaces
D. To store and deliver cached static assets from geographically distributed proxy servers
Discuss
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Correct Answer: Option D

Explanation:
CDNs place cached static assets (images, video, CSS) on a distributed network of edge servers near user locations to significantly accelerate page performance.
This question belongs to: Computer Internet and Web Technologies
Question #258
Which of the following browser extensions or configuration flags blocks specific outbound tracker requests to preserve network bandwidth and user privacy?
A. Ad blocker
B. FTP client bridge
C. Antivirus module
D. Proxy server route
Discuss
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Correct Answer: Option A

Explanation:
Ad blockers and tracker shields actively block requests to third-party ad networks and analytical tracker domains, optimizing load speeds and confidentiality.
This question belongs to: Computer Internet and Web Technologies
Question #259
In the email communication system, what does the 'Mail Delivery Subsystem' error message '451' or a 'Bounce Email' generally indicate?
A. The target email address does not exist or has been permanently disabled.
B. The recipient read your sent email successfully.
C. The message could not be delivered due to a temporary server issue or configuration failure.
D. The attached file is completely clear of malware definitions.
Discuss
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Correct Answer: Option C

Explanation:
A bounce message containing a temporary error code typically implies server-side issues, a full inbox, or network congestion that temporarily blocks delivery.
This question belongs to: Computer Internet and Web Technologies
Question #260
What standard protocol provides an unencrypted, basic interface to log into remote server command-line shells on the internet, which has largely been replaced by secure alternatives?
A. Telnet
B. SSH
C. SFTP
D. HTTPS
Discuss
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Correct Answer: Option A

Explanation:
Telnet is an older network protocol used to access remote computers, but it transmits all traffic in plain text, making it highly insecure compared to SSH.
This question belongs to: Computer Internet and Web Technologies

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