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

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Question #301
Which of the following HTTP status code categories represents 'Client Error' conditions explicitly?
A. 2xx series
B. 4xx series
C. 3xx series
D. 5xx series
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Correct Answer: Option B

Explanation:
HTTP status codes starting with 4 (e.g., 400 Bad Request, 404 Not Found) indicate client-side errors or issues with the request format.
This question belongs to: Computer Internet and Web Technologies
Question #302
Which of the following HTTP status code categories indicates that a server-side failure or system issue occurred while processing a request?
A. 2xx series
B. 4xx series
C. 5xx series
D. 3xx series
Discuss
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Correct Answer: Option C

Explanation:
HTTP status codes in the 5xx range (such as 500 Internal Error or 502 Bad Gateway) mean the request failed due to an error on the server side.
This question belongs to: Computer Internet and Web Technologies
Question #303
What is the term given to an attack that floods a target web server with a massive volume of dummy traffic from thousands of infected computers simultaneously to take it offline?
A. Man-in-the-Middle (MitM)
B. SQL Injection
C. Cross-Site Scripting (XSS)
D. Distributed Denial of Service (DDoS)
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Correct Answer: Option D

Explanation:
A DDoS attack uses botnets (networks of compromised machines) to overwhelm target servers with traffic, causing them to slow down or crash completely.
This question belongs to: Computer Internet and Web Technologies
Question #304
Which of the following structural parts forms the final element of a standard domain name hierarchy path, such as '.com' or '.org'?
A. Sub-domain label
B. Protocol Extension Indicator
C. Root Directory Zone
D. Top-Level Domain (TLD)
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Correct Answer: Option D

Explanation:
The rightmost segment of a domain name separated by a dot (e.g., .com, .net, .org) is known as the Top-Level Domain (TLD).
This question belongs to: Computer Internet and Web Technologies
Question #305
Which type of web cookies originate from a domain different from the specific website currently being viewed by the user in their active browser tab?
A. First-Party Cookies
B. HttpOnly Tokens
C. Third-Party Cookies
D. Secure Session Flags
Discuss
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Correct Answer: Option C

Explanation:
Third-party cookies are set by external domains (like embedded ad scripts or social tracking widgets) on the page you are currently browsing.
This question belongs to: Computer Internet and Web Technologies
Question #306
What mechanism does a web application employ to securely preserve user identity state variables on the server side, linking them via a unique ID stored in a client cookie?
A. DNS Reverse Routing
B. FTP File Buffer
C. Server Session Management
D. Local Storage Matrix
Discuss
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Correct Answer: Option C

Explanation:
Session management saves detailed user states securely on the server and provides the client a temporary session identifier token to reference on subsequent visits.
This question belongs to: Computer Internet and Web Technologies
Question #307
Which parameter in web security represents a 'CAPTCHA' mechanism's core function?
A. To scan servers for malicious virus files automatically
B. To encrypt incoming data flows traveling via wireless access points
C. To optimize page asset loading pipelines
D. To differentiate human users from automated bot scripts through automated tests
Discuss
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Correct Answer: Option D

Explanation:
CAPTCHA is designed to determine whether a user is human or an automated bot, helping prevent spam signups and brute-force attacks.
This question belongs to: Computer Internet and Web Technologies
Question #308
What does the term 'Hyperlink' mean in a WWW ecosystem context?
A. The mechanical database query engine tracking domain registrations
B. A specialized password hashing rule set
C. An active navigational element that allows a user to jump instantly from one web resource location to another
D. A line of code that compresses heavy video files for transport
Discuss
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Correct Answer: Option C

Explanation:
Hyperlinks are interactive reference elements in a webpage that users can click to navigate directly to other web pages or assets.
This question belongs to: Computer Internet and Web Technologies
Question #309
Which standard network port is mapped default to secure Shell (SSH) access lines and secure file copies via SFTP?
A. 22
B. 80
C. 23
D. 21
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Correct Answer: Option A

Explanation:
Port 22 is the standard default port assigned globally to manage secure command-line console sessions and file transfers via SSH.
This question belongs to: Computer Internet and Web Technologies
Question #310
What is the primary operational distinction of a 'Web Server' compared to a traditional 'Database Server'?
A. A web server is responsible for allocating local IP configurations dynamically.
B. A web server processes HTTP requests to deliver web page content; a database server manages structured data tables.
C. A web server is purely a physical hardware chip; a database server is software.
D. A web server reads incoming email files exclusively via POP3 paths.
Discuss
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Correct Answer: Option B

Explanation:
Web servers (like Apache or Nginx) listen for HTTP requests to deliver HTML and web assets to browsers, while database servers (like MySQL or Oracle) store and query raw tabular data collections.
This question belongs to: Computer Internet and Web Technologies
Question #311
Which specific protocol is deployed over network lines to collect operational health statistics and performance data from managed network devices like routers and switches?
A. DHCP
B. SNMP (Simple Network Management Protocol)
C. IMAP
D. SMTP
Discuss
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Correct Answer: Option B

Explanation:
SNMP (Simple Network Management Protocol) is used to monitor network devices, log performance metrics, and track system status updates across IP networks.
This question belongs to: Computer Internet and Web Technologies
Question #312
What is the specific meaning of an 'Email Attachment' feature?
A. The electronic sign block configured at the baseline footer zone
B. An external file (image, document, zip) sent along with an email message
C. A text message sent inside the main context envelope body
D. The specific server routing address tag block
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Correct Answer: Option B

Explanation:
An attachment is any separate digital file sent alongside a standard text email message, encoded via MIME standards to ensure safe transit.
This question belongs to: Computer Internet and Web Technologies
Question #313
Which parameter indicates a 'URL encoding' or 'Percent-encoding' mechanism's primary purpose?
A. To replace secure HTTPS encryption keys with basic string variables
B. To convert non-ASCII or special characters within a URL into a safe format that can be reliably transmitted over HTTP
C. To hide domain location routes from search engines
D. To compress big images inside web files to save network bandwidth
Discuss
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Correct Answer: Option B

Explanation:
URLs must only contain characters from a specific safe ASCII set. Characters outside this set are converted into a '%' followed by a hexadecimal code sequence (e.g., spaces become %20).
This question belongs to: Computer Internet and Web Technologies
Question #314
Which of the following provides an accurate definition of the internet term 'Spam'?
A. Unsolicited bulk messages sent indiscriminately to large numbers of recipients
B. Highly structural encrypted email backups stored on internal networks
C. A malicious virus file targeting browser cache folders directly
D. A digital protocol built to speed up file uploads
Discuss
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Correct Answer: Option A

Explanation:
Spam refers specifically to unsolicited, unwanted digital messages (frequently commercial advertisements) distributed in massive quantities via email.
This question belongs to: Computer Internet and Web Technologies
Question #315
What form of tech architecture is implemented inside a 'Peer-to-Peer' (P2P) network ecosystem on the internet?
A. A decentralized model where every computer node acts both as a client and a server, sharing workloads directly
B. A centralized master cluster commanding passive worker clients
C. A cloud network structure where database access requires hardware proxy bypass loops
D. A system where processing is handled exclusively by mainframes
Discuss
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Correct Answer: Option A

Explanation:
In a P2P network, participant nodes communicate and share file packets directly with one another without needing a centralized host hub.
This question belongs to: Computer Internet and Web Technologies
Question #316
Which of the following tools acts as a specific component of a search engine that calculates page relevance rankings based on links and keywords when returning query listings?
A. The Crawler Daemon
B. The Cache Database
C. The Search Algorithm
D. The Cookie Tracking Core
Discuss
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Correct Answer: Option C

Explanation:
Search engine algorithms (like Google's PageRank) analyze index databases to evaluate and rank matching pages so users see the most relevant results first.
This question belongs to: Computer Internet and Web Technologies
Question #317
What is the function of the 'Bookmarks' or 'Favorites' feature inside a modern browser application?
A. To save a direct link reference to specific URLs so users can easily visit them later
B. To store backup electronic mail archives offline
C. To wipe localized browser history tracks automatically
D. To encrypt user bank accounts securely against malware links
Discuss
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Correct Answer: Option A

Explanation:
Bookmarks allow users to store the names and web addresses of favorite or frequently visited sites within the browser interface for quick future access.
This question belongs to: Computer Internet and Web Technologies
Question #318
Which of the following files contains structured, plain text settings used by the Apache web server to configure localized directory permissions and redirect behaviors?
A. .htaccess
B. index.php
C. robots.txt
D. sitemap.xml
Discuss
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Correct Answer: Option A

Explanation:
The .htaccess (hypertext access) file is a directory-level configuration file supported by several web servers to manage access controls and URL rewrites.
This question belongs to: Computer Internet and Web Technologies
Question #319
What is the term used to describe a localized or network-wide software program that intercepts web traffic to filter out adult content, malware sites, or unapproved domains in an office environment?
A. DNS Translation Router
B. Web Content Filter
C. Cookie Tracker Block
D. FTP Bridge Module
Discuss
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Correct Answer: Option B

Explanation:
Content filters screen inbound and outbound web requests against lists of categorized domains to block malicious or inappropriate content.
This question belongs to: Computer Internet and Web Technologies
Question #320
Which email infrastructure component is responsible for receiving inbound emails from external domains and placing them into the correct individual user's mailbox storage?
A. DNS Resolver
B. MIME encoder block
C. MUA (Mail User Agent)
D. MDA (Mail Delivery Agent)
Discuss
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Correct Answer: Option D

Explanation:
The Mail Delivery Agent (MDA) accepts messages handed down from mail transport systems and writes them directly into the recipient's localized mailbox storage.
This question belongs to: Computer Internet and Web Technologies

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