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.

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Total Questions

Practice Questions

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

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. 5xx series
C. 3xx series
D. 4xx series
Discuss
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Correct Answer: Option B

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. Distributed Denial of Service (DDoS)
B. SQL Injection
C. Man-in-the-Middle (MitM)
D. Cross-Site Scripting (XSS)
Discuss
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Correct Answer: Option A

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. Top-Level Domain (TLD)
B. Sub-domain label
C. Protocol Extension Indicator
D. Root Directory Zone
Discuss
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Correct Answer: Option A

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. HttpOnly Tokens
B. Third-Party Cookies
C. First-Party Cookies
D. Secure Session Flags
Discuss
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Correct Answer: Option B

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. Server Session Management
B. Local Storage Matrix
C. DNS Reverse Routing
D. FTP File Buffer
Discuss
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Correct Answer: Option A

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 differentiate human users from automated bot scripts through automated tests
D. To optimize page asset loading pipelines
Discuss
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Correct Answer: Option C

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. A line of code that compresses heavy video files for transport
B. An active navigational element that allows a user to jump instantly from one web resource location to another
C. A specialized password hashing rule set
D. The mechanical database query engine tracking domain registrations
Discuss
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Correct Answer: Option B

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. 23
B. 22
C. 80
D. 21
Discuss
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Correct Answer: Option B

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 reads incoming email files exclusively via POP3 paths.
B. A web server is responsible for allocating local IP configurations dynamically.
C. A web server processes HTTP requests to deliver web page content; a database server manages structured data tables.
D. A web server is purely a physical hardware chip; a database server is software.
Discuss
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Correct Answer: Option C

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. An external file (image, document, zip) sent along with an email message
B. The electronic sign block configured at the baseline footer zone
C. The specific server routing address tag block
D. A text message sent inside the main context envelope body
Discuss
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Correct Answer: Option A

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 convert non-ASCII or special characters within a URL into a safe format that can be reliably transmitted over HTTP
B. To compress big images inside web files to save network bandwidth
C. To replace secure HTTPS encryption keys with basic string variables
D. To hide domain location routes from search engines
Discuss
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Correct Answer: Option A

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. Highly structural encrypted email backups stored on internal networks
B. A malicious virus file targeting browser cache folders directly
C. Unsolicited bulk messages sent indiscriminately to large numbers of recipients
D. A digital protocol built to speed up file uploads
Discuss
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Correct Answer: Option C

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 centralized master cluster commanding passive worker clients
B. A system where processing is handled exclusively by mainframes
C. A cloud network structure where database access requires hardware proxy bypass loops
D. A decentralized model where every computer node acts both as a client and a server, sharing workloads directly
Discuss
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Correct Answer: Option D

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 Cookie Tracking Core
C. The Cache Database
D. The Search Algorithm
Discuss
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Correct Answer: Option D

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 wipe localized browser history tracks automatically
B. To store backup electronic mail archives offline
C. To save a direct link reference to specific URLs so users can easily visit them later
D. To encrypt user bank accounts securely against malware links
Discuss
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Correct Answer: Option C

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. sitemap.xml
B. index.php
C. robots.txt
D. .htaccess
Discuss
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Correct Answer: Option D

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. FTP Bridge Module
B. Cookie Tracker Block
C. DNS Translation Router
D. Web Content Filter
Discuss
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Correct Answer: Option D

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. MUA (Mail User Agent)
B. MDA (Mail Delivery Agent)
C. DNS Resolver
D. MIME encoder block
Discuss
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Correct Answer: Option B

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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