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 19 of 24
Question #361
What kind of web client technology uses pre-compiled component blocks called 'Plugins' (such as Adobe Flash or Silverlight historically) to run complex media blocks inside older browsers?
A. Browser Plugins / Add-ons
B. Native HTML5 Elements
C. Server-side Framework engines
D. DNS Routing Rulesets
Discuss
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Correct Answer: Option A

Explanation:
Plugins were external software modules that browser apps could load to run specialized media streams, though modern standards have replaced them with native HTML5 tags.
This question belongs to: Computer Internet and Web Technologies
Question #362
Which parameter indicates a 'Web Cache Poisoning' exploit intent?
A. An attacker sends thousands of unwanted physical junk mail deliveries to an office building.
B. An attacker updates a computer's local graphics driver without authorization.
C. An attacker cuts a physical underwater fiber optic internet line.
D. An attacker manipulates a web server's proxy cache hub into storing and serving a flawed or malicious version of a webpage to subsequent innocent users.
Discuss
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Correct Answer: Option D

Explanation:
Web cache poisoning involves forcing cache servers to store invalid or malicious HTTP responses, which are then distributed to unsuspecting users requesting the same page.
This question belongs to: Computer Internet and Web Technologies
Question #363
What mechanism does a standard web connection implement to prevent old web session cookies from tracking a client browser indefinitely across the web?
A. Altering local hardware MAC addresses dynamically
B. Running continuous database search index queries
C. Shifting unencrypted HTTP sites to alternative port lines
D. Configuring explicit 'Expires' or 'Max-Age' cookie parameters
Discuss
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Correct Answer: Option D

Explanation:
The 'Expires' and 'Max-Age' attributes inside HTTP cookie creation strings specify the precise lifetime or timestamp after which a browser must delete that cookie.
This question belongs to: Computer Internet and Web Technologies
Question #364
Which internet standard defines a secure environment for connecting to local corporate systems by encapsulating data packets inside an encrypted network tunnel across public internet routes?
A. SMTP server cluster
B. VPN (Virtual Private Network)
C. FTP client link
D. DNS root resolver matrix
Discuss
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Correct Answer: Option B

Explanation:
A Virtual Private Network (VPN) extends a private network across a public network, encrypting the data stream to protect communications between remote clients and secure internal servers.
This question belongs to: Computer Internet and Web Technologies
Question #365
What does a '400 Bad Request' HTTP response status code indicate?
A. The file was successfully delivered to the local device memory.
B. The requested webpage requires an encrypted private key access certificate.
C. The web hosting facility has completely crashed down.
D. The server cannot process the request because of something perceived to be a client error (e.g., malformed request syntax, invalid routing layout).
Discuss
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Correct Answer: Option D

Explanation:
A 400 Bad Request error indicates that the web server could not understand or process the incoming request due to structural flaws or invalid syntax generated by the client browser.
This question belongs to: Computer Internet and Web Technologies
Question #366
Which of the following options represents an accurate description of the internet mechanism called 'Hypermedia'?
A. An extension of hypertext that allows graphics, audio, video, and plain text to be linked together in an interactive structure
B. The physical processing core speed metrics of modern modems
C. The database layout system used to log domain name transfers manually
D. An unencrypted email routing list structure used inside administrative systems
Discuss
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Correct Answer: Option A

Explanation:
Hypermedia expands on hypertext by incorporating multi-media elements (images, audio, video, animations) alongside traditional text as interactive click destinations.
This question belongs to: Computer Internet and Web Technologies
Question #367
Which protocol works at the network layer to transmit error alerts, status notifications, and network diagnostics data, heavily utilized by troubleshooting tools like 'Ping'?
A. ICMP (Internet Control Message Protocol)
B. HTTP
C. TCP
D. UDP
Discuss
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Correct Answer: Option A

Explanation:
ICMP (Internet Control Message Protocol) is used by network devices to send error messages and operational information, such as indicating that a requested host is unreachable.
This question belongs to: Computer Internet and Web Technologies
Question #368
What mechanism does an automated internet web crawler search engine program read first to identify if a website owner wishes to hide specific directory paths from search index listings?
A. The robots.txt file located in the website's root directory
B. The outgoing SMTP configuration files
C. The index.html structure script
D. The local browser history configuration record list
Discuss
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Correct Answer: Option A

Explanation:
Web crawlers check the robots.txt file at the root of a site first to see if the webmaster has set any rules restricting access to specific directories or pages.
This question belongs to: Computer Internet and Web Technologies
Question #369
Which specific design attribute inside modern web browser frames helps protect against malicious phishing sites by explicitly emphasizing the verified base domain name string inside the address display field?
A. The background caching memory log dashboard
B. The status bar indicator pane
C. The browser extension window layout
D. Domain Highlighting / Address Bar parsing logic
Discuss
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Correct Answer: Option D

Explanation:
Modern browsers highlight the core domain name (e.g., 'example.com') in black while graying out sub-directories and parameters to help users spot fraudulent or spoofed domain lookalikes.
This question belongs to: Computer Internet and Web Technologies
Question #370
What is the primary function of a 'MIME' (Multipurpose Internet Mail Extensions) header statement added inside a modern email message file?
A. To wipe old email logs automatically from client hardware setups
B. To track the geographic location coordinates of the target recipient host
C. To announce the specific media format type and character configuration of the email body payload and attachments
D. To encrypt user server passwords securely using asymmetric algorithms
Discuss
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Correct Answer: Option C

Explanation:
MIME headers let email clients know if an incoming message contains rich HTML text, images, sound files, or binary documents so the client software can render them correctly.
This question belongs to: Computer Internet and Web Technologies
Question #371
Which element in a web application setup serves as a central logical script engine translating database contents into formatted web assets on the fly, typically called a CMS?
A. DNS Resolver Network Interface Router
B. File Transfer Protocol desktop bridge software
C. Static Web Page Layout Document
D. Content Management System (e.g., WordPress)
Discuss
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Correct Answer: Option D

Explanation:
A Content Management System (CMS) is a server-side application platform that dynamically coordinates database content, templates, and permissions to publish and manage web pages.
This question belongs to: Computer Internet and Web Technologies
Question #372
What does a '502 Bad Gateway' HTTP status code return imply about a web link connection state?
A. One server on the internet received an invalid response from another edge server it accessed while attempting to fulfill the request.
B. The client browser used an invalid or expired login session password.
C. The URL has been completely deleted and will never be recovered.
D. The user's computer network cable is unplugged.
Discuss
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Correct Answer: Option A

Explanation:
A 502 Bad Gateway error indicates that a gateway or proxy server on the network path received an invalid or unreadable response from the upstream backend server.
This question belongs to: Computer Internet and Web Technologies
Question #373
Which protocol provides a secure method for executing command-line instructions, managing servers, and tunneling network configurations over an encrypted connection on the internet?
A. FTP
B. Telnet
C. HTTP
D. SSH (Secure Shell)
Discuss
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Correct Answer: Option D

Explanation:
SSH (Secure Shell) provides a secure, encrypted channel for running remote terminal commands and managing network systems safely over public paths.
This question belongs to: Computer Internet and Web Technologies
Question #374
What is the function of the 's s l' / 't l s' cryptographic layer when handling web cookies configured with the 'Secure' attribute tag flag?
A. It blocks search engine bots from parsing the webpage layout structure completely.
B. It forces the browser to discard the cookie automatically when the session closes.
C. It automatically translates the domain text string into numerical IP locations.
D. It ensures that the cookie string is only transmitted over encrypted (HTTPS) connections, preventing interception on unencrypted paths.
Discuss
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Correct Answer: Option D

Explanation:
The 'Secure' attribute flag on a cookie directs the client browser to only transmit that cookie back to the server when using an encrypted HTTPS connection.
This question belongs to: Computer Internet and Web Technologies
Question #375
Which type of internet architecture component acts as a high-speed logical lookup table running inside local operating systems to resolve domain names locally before querying external DNS servers?
A. The FTP File Transfer Log Core
B. The Outbound SMTP Transfer Queue
C. The Local Hosts File (hosts)
D. The Corporate Extranet Interface Hub
Discuss
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Correct Answer: Option C

Explanation:
The local 'hosts' file is an operating system text file that maps domain names to IP addresses directly, overriding external DNS nameserver lookups for testing purposes.
This question belongs to: Computer Internet and Web Technologies
Question #376
What is the term given to an internet site model that allows any visiting user to collaboratively edit, modify, add, or delete content records directly from their web browser?
A. An FTP Archive Link
B. A Closed Web Portal
C. A Wiki (e.g., Wikipedia)
D. A Static Blog Document
Discuss
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Correct Answer: Option C

Explanation:
A wiki is a collaborative web platform that allows multiple users to create, modify, and interlink web pages using a simplified markup language or rich text editor.
This question belongs to: Computer Internet and Web Technologies
Question #377
Which of the following network parameters identifies an unencrypted network protocol configuration variant used to transfer files over port 21 without encryption?
A. Standard FTP (File Transfer Protocol)
B. SSH terminal shell access line
C. SFTP connection utility
D. HTTPS secure transfer layer
Discuss
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Correct Answer: Option A

Explanation:
Standard File Transfer Protocol (FTP) operates unencrypted across ports 20 and 21, transmitting authentication and data packets in plain text.
This question belongs to: Computer Internet and Web Technologies
Question #378
What does a '504 Gateway Timeout' HTTP status code tell a web user?
A. The server, while acting as a gateway or proxy, did not receive a timely response from the upstream backend server to complete the request.
B. The browser cache folder space has run out of local memory storage.
C. The user entered an unapproved domain string value inside the search engine interface.
D. The digital SSL identity certificate has completely expired.
Discuss
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Correct Answer: Option A

Explanation:
A 504 status code means that an intermediate proxy or gateway server timed out while waiting for a response from an internal upstream server during a request loop.
This question belongs to: Computer Internet and Web Technologies
Question #379
Which specific email protocol is best suited for a user who needs to check their single centralized email inbox across a personal smartphone, an office desktop computer, and a home laptop while maintaining a uniform folder layout?
A. IMAP
B. POP3
C. SMTP
D. FTP
Discuss
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Correct Answer: Option A

Explanation:
IMAP manages and stores emails directly on the mail server, allowing multiple devices to connect and view synchronized message states and folder structures in real time.
This question belongs to: Computer Internet and Web Technologies
Question #380
Which of the following options provides an accurate description of a 'Web Browser Extension' or 'Add-on'?
A. The main operational routing server used by a global ISP facility
B. A dedicated database table used to archive old email attachments
C. A piece of hardware that boosts wireless internet signals
D. A small custom software component that adds specific features, tools, or modifications to a web browser's core interface
Discuss
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Correct Answer: Option D

Explanation:
Browser extensions are modular software components built on web standards that install directly into the browser to extend its functionality, such as adding ad blockers or translation tools.
This question belongs to: Computer Internet and Web Technologies

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