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 14 of 24
Question #261
Which component inside a search engine creates structural summaries of keywords and metadata from scraped pages to make keyword lookups instant?
A. The Crawler Queue
B. The Tracking Cookie
C. The Snippet Render engine
D. The Search Index
Discuss
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Correct Answer: Option D

Explanation:
The search engine's index is an organized database containing words and positions extracted from web pages, enabling quick processing of user search queries.
This question belongs to: Computer Internet and Web Technologies
Question #262
What type of cookies are discarded automatically from your local browser once you close your active browser window or terminate your session?
A. First-Party Analytical Cookies
B. Persistent Cookies
C. Session Cookies
D. Third-Party Tracking Cookies
Discuss
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Correct Answer: Option C

Explanation:
Session cookies only exist in temporary volatile memory while the user navigates the site and are wiped upon closing the browser application.
This question belongs to: Computer Internet and Web Technologies
Question #263
Which specific protocol operates at the Transport Layer of the TCP/IP stack to guarantee reliable, ordered, and error-checked delivery of stream data over web connections?
A. ICMP
B. TCP
C. UDP
D. IP
Discuss
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Correct Answer: Option B

Explanation:
TCP (Transmission Control Protocol) provides reliable, connection-oriented packet deliveries, ensuring all data segments arrive intact and in sequential order.
This question belongs to: Computer Internet and Web Technologies
Question #264
What is the purpose of the 'Intranet' inside a modern banking enterprise or government establishment?
A. To replace physical ethernet cable connectors with satellite links
B. To share data publicly with global consumers across the planet
C. To provide a secure, private, closed internal network accessible only to verified employees
D. To prevent browsers from utilizing cookie data structures
Discuss
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Correct Answer: Option C

Explanation:
An intranet is a private internal network hub protected by security walls, used exclusively by staff members to share internal communications and resources securely.
This question belongs to: Computer Internet and Web Technologies
Question #265
What does a '403 Forbidden' HTTP status code return signify when trying to open a specific website portal?
A. The server understands the request, but the client does not possess permission or credentials to view that resource.
B. The user's computer network card is missing a driver update.
C. The URL has moved permanently to a fresh location.
D. The server has crashed internally.
Discuss
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Correct Answer: Option A

Explanation:
A 403 Forbidden error indicates that the web server rejected the client request because they lack access authorizations for that directory or page.
This question belongs to: Computer Internet and Web Technologies
Question #266
Which network component acts as an intermediary gateway or buffer between a local computer client and the broader internet, often used to cache requests or hide client IPs?
A. Web Crawler
B. Modem Adapter
C. Hyperlink Index
D. Proxy Server
Discuss
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Correct Answer: Option D

Explanation:
A proxy server receives client requests, intercepts them, masks the source identity, and relays them to destination servers across the web.
This question belongs to: Computer Internet and Web Technologies
Question #267
Which component of an email system acts as an electronic address directory mapping domains to their specific incoming mail handling servers?
A. DNS MX (Mail Exchanger) Records
B. FTP Configuration List
C. HTTP Response Headers
D. HTML Base Templates
Discuss
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Correct Answer: Option A

Explanation:
MX (Mail Exchanger) records are configurations inside the Domain Name System (DNS) specifying which mail servers are designated to accept incoming emails for a domain.
This question belongs to: Computer Internet and Web Technologies
Question #268
Which of the following is an accurate description of an 'Extranet' system?
A. An unencrypted wireless standard for high-bandwidth networks
B. A controlled private network allowing limited access to authorized external partners or vendors
C. The deep web layer accessible strictly via dark net software configurations
D. An experimental protocol created to replace HTTP
Discuss
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Correct Answer: Option B

Explanation:
An extranet extends a private intranet to trusted external partners, suppliers, or clients, allowing secure external collaboration over the web.
This question belongs to: Computer Internet and Web Technologies
Question #269
What is the primary security benefit provided by an 'HTTPS' connection over standard unencrypted 'HTTP' communication?
A. It completely prevents malware from downloading automatically to local hard drives.
B. It eliminates all forms of comment spam on web blogs.
C. It encrypts data in transit to prevent eavesdropping and data tampering by third parties.
D. It dramatically boosts physical data transmission speeds over fiber lines.
Discuss
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Correct Answer: Option C

Explanation:
HTTPS ensures confidentiality and data integrity by encrypting the communication stream between a client and a web server using TLS/SSL.
This question belongs to: Computer Internet and Web Technologies
Question #270
Which type of search engine compiles and blends search results from multiple individual underlying search engines simultaneously to provide a unified output list?
A. Meta-search Engine
B. Directory Engine
C. Crawler-based Engine
D. Semantic Engine
Discuss
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Correct Answer: Option A

Explanation:
A meta-search engine does not crawl web pages directly; instead, it passes queries to other search engines (like Google, Bing) and aggregates their results.
This question belongs to: Computer Internet and Web Technologies
Question #271
In internet context, what does the term 'Phishing' refer to?
A. The fraudulent practice of sending emails masquerading as reputable sources to steal sensitive personal records
B. An algorithm used by routers to distribute network load smoothly
C. The mechanical process of searching database records via browser scripts
D. A high-speed networking technique to clean bad data packets
Discuss
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Correct Answer: Option A

Explanation:
Phishing is a social engineering attack where attackers impersonate trustworthy entities via email or websites to steal credentials, credit card details, or sensitive personal data.
This question belongs to: Computer Internet and Web Technologies
Question #272
Which organization manages the allocated regional distribution of top-level country domain names such as '.in' for India?
A. W3C Working Group
B. Microsoft Network Architecture Team
C. National Internet Exchange of India (NIXI) / IN Registry
D. IEEE Core Committee
Discuss
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Correct Answer: Option C

Explanation:
Country code Top-Level Domains (ccTLDs) like '.in' are designated to specific regional registries (such as the IN Registry in India under NIXI) to administer localized governance.
This question belongs to: Computer Internet and Web Technologies
Question #273
Which of the following ports is designated by default for secure, encrypted Post Office Protocol version 3 (POP3S) communication?
A. 110
B. 993
C. 443
D. 995
Discuss
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Correct Answer: Option D

Explanation:
Port 995 is the globally recognized default network port assigned for POP3 operations run securely over an encrypted SSL/TLS connection.
This question belongs to: Computer Internet and Web Technologies
Question #274
What is the function of the 'bcc' option in electronic mailing interfaces?
A. To prioritize email data packets over standard text routing paths
B. To block junk automated messages from landing inside your clean primary folders
C. To automatically forward incoming communications to alternative server accounts
D. To send a blind carbon copy where designated recipient identities remain private from others
Discuss
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Correct Answer: Option D

Explanation:
Bcc stands for Blind Carbon Copy. It allows an email to be sent to a recipient without their identity being disclosed to other primary or carbon-copied recipients.
This question belongs to: Computer Internet and Web Technologies
Question #275
Which layer of the TCP/IP network suite directly interacts with web client software applications such as Google Chrome or Mozilla Firefox?
A. Physical Layer
B. Network Layer
C. Transport Layer
D. Application Layer
Discuss
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Correct Answer: Option D

Explanation:
The Application Layer is the top layer of the TCP/IP model that houses protocols (like HTTP, FTP, SMTP) that client applications interface with directly.
This question belongs to: Computer Internet and Web Technologies
Question #276
Which protocol offers a lightweight, connectionless transmission method that prioritizes speed over data arrival validation, often used for online live video streaming?
A. UDP
B. POP3
C. TCP
D. HTTP
Discuss
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Correct Answer: Option A

Explanation:
UDP (User Datagram Protocol) is a connectionless transport protocol that transmits data packets rapidly without setting up an overhead verification connection, ideal for real-time streams.
This question belongs to: Computer Internet and Web Technologies
Question #277
What does a '500 Internal Server Error' message from a web address generally represent?
A. The user entered an incorrect account password.
B. The specific webpage directory structure was typed incorrectly.
C. A general-purpose error indicating that the server encountered an unexpected condition that prevented it from fulfilling the request.
D. The client computer has disconnected from its router box.
Discuss
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Correct Answer: Option C

Explanation:
The 500 status code is a generic catch-all server-side error showing that the web server ran into a script configuration or system conflict preventing normal execution.
This question belongs to: Computer Internet and Web Technologies
Question #278
Which specific protocol is responsible for managing file distribution and uploads between local machines and storage web directories over unencrypted internet routes?
A. HTTP
B. FTP
C. IMAP
D. SMTP
Discuss
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Correct Answer: Option B

Explanation:
FTP (File Transfer Protocol) is an application layer protocol built to upload and download files between clients and remote file servers.
This question belongs to: Computer Internet and Web Technologies
Question #279
What technology is utilized within a web ecosystem to automatically track metrics such as unique page views, duration of user stays, and path clicks?
A. Web Analytics
B. DNS Resolver
C. SMTP Server Matrix
D. FTP Client
Discuss
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Correct Answer: Option A

Explanation:
Web analytics involves tracking, compiling, and analyzing internet user behavior data to monitor and evaluate website traffic performance.
This question belongs to: Computer Internet and Web Technologies
Question #280
Which type of software vulnerability involves an attacker injecting malicious scripts into trusted websites, which are then executed by unsuspecting client web browsers?
A. Cross-Site Scripting (XSS)
B. SQL Injection
C. Buffer Overflow
D. Denial of Service (DoS)
Discuss
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Correct Answer: Option A

Explanation:
Cross-Site Scripting (XSS) is a security vulnerability where malicious script blocks are injected into reliable web templates, running malicious scripts directly inside client browsers.
This question belongs to: Computer Internet and Web Technologies

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