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 17 of 24
Question #321
What does an 'Asymmetric Encryption' implementation use to secure web communications over HTTPS links?
A. A localized cookie token combined with basic user credentials
B. A series of mechanical network router configuration keys
C. A mathematically linked key pair consisting of a Public Key and a Private Key
D. A single shared secret password key for both operations
Discuss
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Correct Answer: Option C

Explanation:
Asymmetric cryptography utilizes a public key (available to everyone for data encryption) and a private key (kept secret by the server for data decryption).
This question belongs to: Computer Internet and Web Technologies
Question #322
Which of the following refers to a specific web software asset used to provide localized data charts, real-time stock prices, or news items directly embedded into a sidebar workspace?
A. FTP Directory Link
B. Web Widget
C. SMTP Routing Tag
D. Robots Indexer
Discuss
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Correct Answer: Option B

Explanation:
A web widget is a small, portable application snippet embedded within a web page to display real-time information or specific dynamic tools.
This question belongs to: Computer Internet and Web Technologies
Question #323
What kind of network hardware acts as a basic demodulator/modulator converting digital computer signals into analog waves for transmission over legacy infrastructure lines?
A. Modem
B. Bridge Unit
C. Repeater Box
D. Network Switch Hub
Discuss
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Correct Answer: Option A

Explanation:
A modem (Modulator-Demodulator) converts digital signals from computing hardware into analog formats suitable for transmission lines, and vice versa.
This question belongs to: Computer Internet and Web Technologies
Question #324
Which component of an electronic mail client application layout allows users to draft, view, and read individual mail items cleanly?
A. Mail Transfer Agent (MTA)
B. Domain Name System Engine
C. File Transfer Gateway
D. Mail User Agent (MUA)
Discuss
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Correct Answer: Option D

Explanation:
The Mail User Agent (MUA) is the frontend user interface software application (like Microsoft Outlook or Gmail app) where users interact with their email.
This question belongs to: Computer Internet and Web Technologies
Question #325
What is the function of the 'User-Agent' string sent inside an HTTP request header to a remote web server?
A. To transmit the user's encrypted master system password
B. To specify the physical routing coordinates of the local ISP link
C. To check local hardware device temperature metrics
D. To identify the specific browser application, version, and operating system of the client to the server
Discuss
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Correct Answer: Option D

Explanation:
The User-Agent header string acts as a technical badge, telling the web server what browser software and operating system the client is using so it can tailor content compatibility.
This question belongs to: Computer Internet and Web Technologies
Question #326
Which type of web application uses a single HTML page structure that dynamically updates content via AJAX as the user navigates, avoiding full page reloads?
A. Single Page Application (SPA)
B. Legacy CGI Script Portal
C. Directory Web Index
D. Static Site Framework
Discuss
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Correct Answer: Option A

Explanation:
Single Page Applications (SPAs), like those built with modern JavaScript frameworks, load a single shell document and update components dynamically to provide a fluid app-like feel.
This question belongs to: Computer Internet and Web Technologies
Question #327
What is the primary operational objective of a web browser's 'Rendering Engine'?
A. To interpret HTML, CSS, and script instructions and display them as a formatted visual layout on the screen
B. To parse raw network data streams into secure backup configurations
C. To assign dynamic local IP values to hardware items
D. To filter email spam items automatically
Discuss
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Correct Answer: Option A

Explanation:
The rendering engine's job is to take text-based web code (HTML, CSS, images) and draw the interactive graphical composition on the device screen.
This question belongs to: Computer Internet and Web Technologies
Question #328
Which of the following vulnerabilities involves hackers manipulating backend query inputs within web forms to gain unauthorized access to underlying corporate databases?
A. Phishing Redirect
B. SQL Injection (SQLi)
C. Denial of Service (DoS)
D. Cross-Site Scripting (XSS)
Discuss
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Correct Answer: Option B

Explanation:
SQL Injection occurs when malicious SQL statements are inserted into entry fields for execution, letting attackers manipulate database systems behind a website.
This question belongs to: Computer Internet and Web Technologies
Question #329
What does the 'CC' field stand for in an email configuration pane, and what is its standard function?
A. Core Connection; to map mail server endpoints dynamically
B. Client Cryptography; to secure message contents using passwords
C. Carbon Copy; to send a visible duplicate copy of the email to secondary recipients
D. Cache Cleaner; to delete temporary historical log items
Discuss
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Correct Answer: Option C

Explanation:
Cc stands for Carbon Copy. Recipients listed in the Cc field receive a copy of the email, and their addresses are visible to all other recipients.
This question belongs to: Computer Internet and Web Technologies
Question #330
Which type of network system setup allows mobile computers or wireless devices to link into wired internet structures over short distances using radio frequency channels?
A. Satellite Mainframe Array
B. Coaxial Dial Network Grid
C. Wi-Fi (Wireless Fidelity)
D. Fiber Distributed Data Interface
Discuss
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Correct Answer: Option C

Explanation:
Wi-Fi provides wireless local area networking for devices based on the IEEE 802.11 standards, using radio frequencies to handle local web traffic.
This question belongs to: Computer Internet and Web Technologies
Question #331
What kind of network system acts as an automated internet address index matching 'Top Level Domain' entries to target primary server nodes?
A. The Domain Name System (DNS)
B. The File Transfer Protocol (FTP)
C. The Content Filter Core
D. The Mail Exchange Routing Agent
Discuss
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Correct Answer: Option A

Explanation:
DNS functions as a distributed directory database system that translates alphanumeric domain identities into actionable network routing IP numbers.
This question belongs to: Computer Internet and Web Technologies
Question #332
Which internet application layer protocol is specifically configured to manage and stream digital audio and video communications synchronously across network portals?
A. SMTP
B. FTP
C. RTP (Real-time Transport Protocol)
D. POP3
Discuss
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Correct Answer: Option C

Explanation:
RTP (Real-time Transport Protocol) is designed to deliver end-to-end real-time streaming data, such as interactive audio and video media, over IP networks.
This question belongs to: Computer Internet and Web Technologies
Question #333
What mechanism inside an enterprise network system blocks unapproved external inbound data connections while permitting legitimate internal outbound web interactions?
A. Cookie Tracker Module
B. Firewall
C. Web Crawler Engine
D. Browser Cache Block
Discuss
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Correct Answer: Option B

Explanation:
A firewall monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies.
This question belongs to: Computer Internet and Web Technologies
Question #334
Which parameter indicates a 'Web Portal' website's core identifying trait?
A. It functions as a broad aggregate gateway site offering diverse services like news, search, email, and links (e.g., Yahoo).
B. It consists exclusively of a single unlinked text document.
C. It operates strictly on isolated localized network hardware hubs without internet connections.
D. It is entirely invisible to standard web browsers.
Discuss
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Correct Answer: Option A

Explanation:
A web portal is a specially designed website that aggregates information from diverse sources into a unified user interface, providing links, forums, and tools.
This question belongs to: Computer Internet and Web Technologies
Question #335
Which of the following HTTP methods is designed to retrieve data safely from a specified web resource without causing any side effects or modifications on the server?
A. GET
B. PUT
C. DELETE
D. POST
Discuss
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Correct Answer: Option A

Explanation:
The GET method is used strictly to request and fetch data from a designated resource without changing the state of that resource on the server.
This question belongs to: Computer Internet and Web Technologies
Question #336
What is the purpose of an 'IP Address' assignment in internet architectures?
A. To uniquely identify a specific device interface on a network, allowing data packets to be correctly routed to it
B. To clean automated malware scripts from browser cache blocks
C. To store email files permanently inside local terminal drives
D. To format visual layouts of web content documents cleanly
Discuss
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Correct Answer: Option A

Explanation:
An Internet Protocol (IP) address serves as a unique logical address identifier for a device on an IP network, enabling accurate packet routing.
This question belongs to: Computer Internet and Web Technologies
Question #337
Which type of web software layout strategy automatically adjusts page spacing, element scaling, and images to look optimal across multiple screen sizes (Desktop, Tablet, Mobile phone)?
A. Static Grid Layout
B. Fixed Frame Presentation
C. Monolithic Template Logic
D. Responsive Web Design
Discuss
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Correct Answer: Option D

Explanation:
Responsive Web Design uses fluid grids, flexible images, and CSS media queries to dynamically adjust the layout based on the user's device screen width.
This question belongs to: Computer Internet and Web Technologies
Question #338
What is the specific meaning of the term 'Web Hosting'?
A. A commercial service providing server disk space and bandwidth to store website files so they are accessible online
B. An algorithm used to resolve alphabetical domain values
C. The physical process of manufacturing computer motherboards
D. A dedicated browser feature built to bookmark favorite paths
Discuss
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Correct Answer: Option A

Explanation:
Web hosting services provide the physical server hardware, network access, and technologies required for a website's files to be stored and viewed on the internet.
This question belongs to: Computer Internet and Web Technologies
Question #339
Which component of a standard search engine utility actively matches user typed keywords against indexed database structures to render matching page items?
A. The Query Processor / Search Interface
B. The Tracking Cookie Tracker
C. The Web Crawler Module
D. The Local Server Cache Core
Discuss
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Correct Answer: Option A

Explanation:
The query processor accepts user keywords, interprets search intent, searches the indexed database, and delivers ranked results back to the user interface.
This question belongs to: Computer Internet and Web Technologies
Question #340
Which format specification is universally deployed to construct standard layout documents across the World Wide Web space?
A. SMTP Route Headers
B. SQL Data Tables
C. HTML (Hypertext Markup Language)
D. FTP Stream Settings
Discuss
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Correct Answer: Option C

Explanation:
HTML is the baseline standard markup language used worldwide to organize and display structural components on web pages.
This question belongs to: Computer Internet and Web Technologies

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