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

Page 18 of 24
Question #341
What specific feature distinguishes 'IMAP' from 'POP3' when handling email status adjustments, such as marking a message as 'read'?
A. IMAP synchronizes status updates directly back to the mail server, reflecting changes across all user devices.
B. IMAP completely blocks attachments from downloading.
C. IMAP handles updates locally only, leaving the server state untouched.
D. IMAP lacks support for multi-folder organization schemas.

Correct Answer: Option A


Explanation:
Because IMAP works directly on the mail server, any change in state (read, unread, flagged, moved) is synced to the server and visible across all connected devices.

This question belongs to: Computer Internet and Web Technologies
Question #342
Which port does the standard unencrypted Domain Name System (DNS) use to listen for incoming address resolution queries?
A. 21
B. 443
C. 53
D. 80

Correct Answer: Option C


Explanation:
Port 53 is the globally standard network port allocated to handle DNS infrastructure traffic, primarily processing UDP/TCP lookup requests.

This question belongs to: Computer Internet and Web Technologies
Question #343
What is the primary function of a web browser's 'Cookie' file storage management system?
A. To compress structural HTML files to accelerate local render logic
B. To host background email client delivery routines
C. To protect against inbound server crash sequences
D. To hold persistent or temporary text string data blocks used to remember session preferences and tracking profiles

Correct Answer: Option D


Explanation:
Cookies allow web servers to save short strings of state or identifying data within a user's browser, enabling features like persistent shopping carts or login sessions.

This question belongs to: Computer Internet and Web Technologies
Question #344
Which type of internet network technology delivers exceptionally fast data transmission speeds using light pulses traveling through flexible glass or plastic filaments?
A. Fiber Optic Broadband
B. Dial-up Modem lines
C. Coaxial Cable Grid
D. Satellite Radio Array

Correct Answer: Option A


Explanation:
Fiber optic connections transmit data as light pulses through glass or plastic fibers, offering much higher bandwidth and lower latency than copper wire networks.

This question belongs to: Computer Internet and Web Technologies
Question #345
What does a '401 Unauthorized' HTTP response status code indicate to an accessing client?
A. The requested resource requires valid user authentication credentials (like a username and password) before access is granted.
B. The web server cannot locate the directory page requested.
C. The target website has moved permanently to a fresh alternative domain.
D. The connection timed out due to physical fiber faults.

Correct Answer: Option A


Explanation:
The 401 status code indicates that the request lacks valid authentication credentials for the target resource, requiring the user to log in first.

This question belongs to: Computer Internet and Web Technologies
Question #346
Which of the following parameters represents an accurate description of the internet term 'E-commerce'?
A. The deployment of internal email protocols inside closed local networks
B. The system used to clear browser cache stores via scripting tools
C. The production of physical microchip units inside factories
D. The buying, selling, and commercial transacting of goods or services electronically over internet networks

Correct Answer: Option D


Explanation:
Electronic commerce (E-commerce) encompasses all business activities, trading, and financial transactions conducted via digital networks and web storefronts.

This question belongs to: Computer Internet and Web Technologies
Question #347
Which technology serves as an open standard for short-range wireless communication, enabling data exchanges between devices like phones, mice, and laptops over small personal spaces?
A. DSL Matrix
B. FTP Bridge
C. Bluetooth
D. Ethernet

Correct Answer: Option C


Explanation:
Bluetooth is a short-range wireless technology standard used for exchanging data between fixed and mobile devices over short distances, creating personal area networks (PANs).

This question belongs to: Computer Internet and Web Technologies
Question #348
What structural element forms the separator dividing individual query parameter pairs inside a standard URL structure, such as '?id=1&page=2'?
A. The colon (:) character
B. The ampersand (&) character
C. The hash (#) character
D. The forward slash (/) character

Correct Answer: Option B


Explanation:
In a URL query string, the question mark (?) initiates the parameters, while individual key-value pairs are separated from each other using the ampersand (&) character.

This question belongs to: Computer Internet and Web Technologies
Question #349
Which of the following security protocols adds an encrypted wrapper layer around a standard File Transfer Protocol channel to protect authentication variables?
A. SMTP route link
B. Telnet console channel
C. Unencrypted HTTP link
D. FTPS (FTP over SSL/TLS)

Correct Answer: Option D


Explanation:
FTPS is an extension to the standard File Transfer Protocol (FTP) that adds support for Transport Layer Security (TLS) and Secure Sockets Layer (SSL) cryptographic protocols.

This question belongs to: Computer Internet and Web Technologies
Question #350
What type of program code logic runs directly on a remote internet server host machine to calculate custom dashboard outputs before compiling them into standard HTML to return to a browser?
A. Client-side Scripting
B. Server-side Scripting
C. Browser Extension Core
D. CSS Layout Matrix

Correct Answer: Option B


Explanation:
Server-side scripting (using languages like PHP, Python, or Node.js) executes on the hosting server to build dynamic web content before transmitting flat HTML back to the client.

This question belongs to: Computer Internet and Web Technologies
Question #351
Which architectural system acts as a decentralized directory platform to track ownership rights and historical registrations of domain names globally?
A. WHOIS Database Directory
B. FTP Server File List
C. Local Router Cache Log
D. SMTP Routing Index Matrix

Correct Answer: Option A


Explanation:
WHOIS is a query and response protocol widely used for querying databases that store the registered users or assignees of an internet resource, such as a domain name.

This question belongs to: Computer Internet and Web Technologies
Question #352
What mechanism does a browser use to verify the cryptographic identity and authenticity of an HTTPS website during an initial connection handshake?
A. It queries standard local email mailboxes via POP3 paths.
B. It evaluates the site's digital SSL/TLS Certificate issued by a trusted Certificate Authority (CA).
C. It reviews local text browser history traces.
D. It alters network configurations via DHCP scripts.

Correct Answer: Option B


Explanation:
Browsers verify a website's authenticity by checking its digital certificate, which must be cryptographically signed by a recognized, trusted Certificate Authority (CA).

This question belongs to: Computer Internet and Web Technologies
Question #353
Which internet communication standard is specifically designed to allow news aggregators and users to subscribe to real-time chronological website content updates and blog feeds?
A. FTP transfer rules
B. RSS (Really Simple Syndication)
C. IMAP server matrices
D. SMTP relay lines

Correct Answer: Option B


Explanation:
RSS (Really Simple Syndication) is a web feed format used to publish frequently updated works—such as blog entries, news headlines, and podcasts—in a standardized format.

This question belongs to: Computer Internet and Web Technologies
Question #354
What is the function of the 'Default Gateway' setting in a computer's local network configuration panel?
A. To clear out temporary cookie tracker entries automatically
B. To serve as a high-speed email storage facility
C. To convert graphical web pages into text files
D. To act as the routing address that local data packets use to exit the local area network and access external networks like the internet

Correct Answer: Option D


Explanation:
The default gateway is the node or router on a computer network that serves as an access point to another network when an IP address does not match any local routes.

This question belongs to: Computer Internet and Web Technologies
Question #355
Which structural part of a URL address path identifies an exact anchored location or sub-section header inside a long single web document page?
A. The Fragment Identifier (initiated by a '#' character)
B. The Scheme definition block
C. The Port configuration code
D. The Top-Level Domain suffix

Correct Answer: Option A


Explanation:
The fragment identifier at the end of a URL, introduced by a hash (#), specifies a precise location or section anchor within the fetched web document.

This question belongs to: Computer Internet and Web Technologies
Question #356
Which of the following HTTP response status codes indicates a '302' redirection error/behavior context?
A. Internal Script Crash
B. Bad Request layout
C. Moved Permanently
D. Found / Temporary Redirect

Correct Answer: Option D


Explanation:
The HTTP status code 302 Found (historically 'Moved Temporarily') indicates that the requested resource resides temporarily under a different URI.

This question belongs to: Computer Internet and Web Technologies
Question #357
What type of attack involves an adversary secretly intercepting, reading, or altering communication messages between two web parties without either side knowing the channel is compromised?
A. SQL Injection vulnerability
B. Man-in-the-Middle (MitM) Attack
C. Phishing email broadcast
D. Denial of Service crash sequence

Correct Answer: Option B


Explanation:
A Man-in-the-Middle (MitM) attack occurs when a hacker inserts themselves into a communication session between a client and server to eavesdrop or modify data in transit.

This question belongs to: Computer Internet and Web Technologies
Question #358
Which of the following browser utilities allows software developers to directly inspect a webpage's DOM structure, debug JavaScript errors, and trace network resource load timelines natively?
A. Developer Tools (DevTools)
B. Bookmark Navigation Hub
C. Browser Cache Manager
D. Incognito Browser Window

Correct Answer: Option A


Explanation:
Built-in Developer Tools (DevTools) in modern browsers provide deep access to inspect elements, analyze network payloads, check console logs, and debug scripts.

This question belongs to: Computer Internet and Web Technologies
Question #359
What is the primary operational task of a 'Mail Transfer Agent' (MTA) component within internet email routing infrastructures?
A. To forward and route electronic mail messages between different server networks using SMTP rules until they reach their destination
B. To convert plain text lines into graphic layouts natively
C. To clear old tracking cookies off terminal units
D. To provide a user interface to display images inside messages

Correct Answer: Option A


Explanation:
The Mail Transfer Agent (MTA) is software that transfers electronic mail messages from one computer server to another using SMTP.

This question belongs to: Computer Internet and Web Technologies
Question #360
Which top-level domain designation (TLD) was originally designed for network infrastructure providers but has since evolved into a general-purpose choice open to everyone?
A. .edu
B. .net
C. .gov
D. .mil

Correct Answer: Option B


Explanation:
The '.net' top-level domain stands for 'network' and was initially intended for organizations involved in networking technologies, though it is now an open domain.

This question belongs to: Computer Internet and Web Technologies