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Unit 11: Internet - Practice Quiz

DECAP145 60 Questions
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1 What is a web page?

Web Page Easy
A. A program that connects to the Internet
B. A single document displayed in a web browser
C. A device that stores email messages
D. A collection of many linked websites

2 A website is best described as:

Website Easy
A. A type of web browser
B. A collection of related web pages
C. A single line of HTML code
D. A cable that connects to the Internet

3 Which page is normally the first page that opens when you visit a website?

Homepage Easy
A. Homepage
B. Sitemap
C. Contact page
D. Error page

4 Which of the following is an example of a web browser?

Browser Easy
A. Windows Defender
B. Adobe Photoshop
C. Microsoft Excel
D. Google Chrome

5 What is the main purpose of a web browser?

Browser Easy
A. To store data in tables
B. To create and edit images
C. To manage computer hardware
D. To display web pages from the Internet

6 What does URL stand for?

URL Easy
A. Unified Router Location
B. Universal Reference Link
C. Uniform Resource Locator
D. Uniform Retrieval Language

7 Which of the following is an example of a URL?

URL Easy
A. 192 kbps
B. C:\Documents
C. https://www.example.com
D. user@example.com

8 Hypertext allows users to:

Hypertext Easy
A. Speed up their Internet connection
B. Print pages automatically
C. Jump to other documents by clicking links
D. Encrypt email messages

9 What does ISP stand for?

ISP Easy
A. Internet Service Provider
B. Internal System Protocol
C. Internet Security Program
D. Integrated Server Platform

10 Which service does an ISP mainly provide?

ISP Easy
A. Access to the Internet
B. Computer repair services
C. Free antivirus software
D. Printing services

11 What is the main role of a web server?

Web Server Easy
A. To store and deliver web pages to users
B. To scan devices for viruses
C. To design graphics for websites
D. To provide electrical power to computers

12 What does HTML stand for?

HTML Easy
A. HyperText Markup Language
B. Hyperlink Text Managing Logic
C. Home Tool Markup Language
D. High Transfer Machine Language

13 HTML is mainly used to:

HTML Easy
A. Protect computers from viruses
B. Manage email accounts
C. Provide Internet connections
D. Structure the content of web pages

14 What does the D in DHTML stand for?

DHTML Easy
A. Dynamic
B. Digital
C. Distributed
D. Direct

15 What does XML stand for?

XML Easy
A. eXtensible Markup Language
B. eXecutable Machine Language
C. eXternal Markup Link
D. eXtra Modern Language

16 Where does client-side scripting run?

Introduction to client side and server side scripting Easy
A. On the printer
B. On the web server only
C. On the ISP's network
D. On the user's web browser

17 What does WWW stand for?

Applications: WWW Easy
A. Web Wide World
B. Wide World Wire
C. World Web Window
D. World Wide Web

18 E-mail is mainly used to:

Applications: e-mail Easy
A. Store images on a computer
B. Design web pages
C. Send and receive messages electronically
D. Connect to a web server directly

19 Instant Messaging allows users to:

Applications: Instant Messaging Easy
A. Scan a computer for viruses
B. Exchange text messages in real time
C. Print documents remotely
D. Store files on a web server

20 Video conferencing mainly allows people to:

Applications: Video conferencing Easy
A. Send only text emails
B. Communicate with live audio and video
C. Browse web pages faster
D. Download software updates

21 In the URL https://shop.example.com:8080/products/item.html, which part represents the protocol?

URL Medium
A. https
B. shop.example.com
C. /products/item.html
D. 8080

22 A user types only www.college.edu (without any file name) and the site's main introductory page loads automatically. What is this page best called?

Homepage Medium
A. The homepage
B. A hyperlink page
C. The web server page
D. A DHTML page

23 A student says, "Each recipe on the cooking site opens as a separate document." Each separate document is a and the whole collection is a .

Website vs Web Page Medium
A. homepage; browser
B. URL; web server
C. website; web page
D. web page; website

24 What core feature of hypertext lets a reader jump directly from one document to a related document instead of reading in a fixed order?

Hypertext Medium
A. Cascading styles
B. Cookies
C. Metadata tags
D. Hyperlinks

25 A new user cannot access any website even though the browser and computer work fine. Which service provider is most directly responsible for granting Internet access?

ISP Medium
A. DNS registrar
B. Browser vendor
C. ISP
D. Web server

26 When a browser requests a page, which component stores the site's files and sends them back in response to the request?

Web Server Medium
A. The ISP modem
B. The web browser
C. The web server
D. The DNS cache

27 Which HTML element pairing would correctly create a clickable link to page2.html?

HTML Medium
A. <a href="page2.html">Go</a>
B. <url="page2.html">Go</url>
C. <link src="page2.html">Go</link>
D. <href a="page2.html">Go</href>

28 A menu expands when the mouse hovers over it, without reloading the page. Which combination of technologies typically produces this DHTML behavior?

DHTML Medium
A. HTML + CSS + JavaScript
B. HTML + FTP + HTTP
C. HTML + JPEG + PNG
D. HTML + XML + SQL

29 Why is XML preferred over HTML for exchanging structured data between different applications?

XML Medium
A. It lets you define custom tags to describe data
B. It renders faster in browsers
C. It stores data as compressed images
D. It requires no closing tags

30 A form validates that an email field is not empty before sending anything to the server. Where does this validation run?

Client side and server side scripting Medium
A. On the ISP router
B. On the client side
C. On the server side
D. On the web server database

31 Which task must be handled by server-side scripting rather than client-side scripting?

Client side and server side scripting Medium
A. Highlighting a text box when clicked
B. Showing a dropdown menu on hover
C. Querying a database for stored user records
D. Changing font color on a button press

32 Which statement correctly distinguishes the WWW from the Internet?

WWW Medium
A. WWW is the hardware, Internet is the software
B. WWW and Internet are exactly the same thing
C. The Internet runs on top of the WWW
D. WWW is a service running on top of the Internet

33 In an email address student@university.edu, what does the part after the @ symbol identify?

e-mail Medium
A. The mail server domain
B. The message subject
C. The email protocol
D. The user's password

34 You want a colleague to receive a copy of an email without other recipients seeing that they were included. Which field should you use?

e-mail Medium
A. Bcc
B. To
C. Cc
D. Reply-To

35 Which feature most clearly distinguishes Instant Messaging from traditional email?

Instant Messaging Medium
A. Guaranteed delivery to offline users only
B. Attachments larger than 25 MB
C. Real-time delivery with presence status
D. Mandatory subject lines

36 Internet Telephony (VoIP) lowers long-distance call costs mainly because it:

Internet Telephony Medium
A. Requires a separate ISP for each call
B. Uses dedicated copper phone lines
C. Transmits voice as data packets over the Internet
D. Compresses video before sending audio

37 During a video conference the audio is clear but the video freezes repeatedly. Which factor is the most likely cause?

Video conferencing Medium
A. An incorrect URL protocol
B. A missing email client
C. Insufficient network bandwidth
D. An outdated homepage

38 What is the primary job of a web browser?

Browser Medium
A. Request web resources and render HTML for display
B. Assign IP addresses to websites
C. Store all websites permanently on your disk
D. Host web pages for other users

39 In a browser, which feature lets you save a page's address so you can revisit it quickly later?

Web Browser & its environment Medium
A. Address bar autocomplete
B. Reload button
C. Bookmark
D. Status bar

40 A page loads correctly through https://site.com but fails through http://site.com. What does this most likely indicate?

URL Medium
A. The site is served only over the secure protocol
B. The homepage file is missing
C. The browser cache is full
D. The domain name is spelled wrong

41 Consider the URL https://shop.example.com:8443/items?id=42#reviews. Which decomposition correctly maps the components to scheme, authority, path, query, and fragment?

URL Hard
A. Scheme=https, authority=shop.example.com, path=:8443/items, query=id=42#reviews, fragment=none
B. Scheme=https, authority=shop.example.com:8443, path=/items, query=id=42, fragment=reviews
C. Scheme=https://, authority=shop.example.com, path=8443/items, query=?id=42, fragment=#reviews
D. Scheme=https, authority=shop.example.com:8443/items, path=id=42, query=reviews, fragment=none

42 A developer needs to validate a form's format instantly as the user types, then process the submission and store it in a database. Which allocation of scripting is most appropriate?

Introduction to client side and server side scripting Hard
A. Neither is needed since HTML alone can validate and store data
B. Server-side scripting for both instant checks and database storage
C. Client-side scripting for instant format checks; server-side scripting for database processing
D. Client-side scripting for both instant checks and database storage

43 Why is client-side HTML/JavaScript validation considered insufficient for security even when correctly implemented?

HTML Hard
A. Browsers strip all validation code before submission
B. HTML cannot render input fields without server assistance
C. The server automatically re-runs the same client script
D. A user can disable or modify scripts and send crafted requests directly to the server

44 Which statement best captures the fundamental design difference between XML and HTML?

XML Hard
A. XML is a scripting language while HTML is a markup language
B. XML displays data with predefined tags, while HTML carries data with custom tags
C. XML is designed to carry and structure data with self-defined tags, while HTML is designed to display data with predefined tags
D. Both use identical predefined tag sets but differ only in file extension

45 DHTML is best described as which of the following?

DHTML Hard
A. A compression format for delivering HTML faster
B. A combination of HTML, CSS, and a client-side scripting language with the DOM to create dynamic pages
C. A server-side technology that generates HTML before sending it
D. A standalone programming language that replaces HTML entirely

46 A single physical web server hosts three sites: a.com, b.com, and c.com, all on the same IP address and port 80. What mechanism allows the server to serve the correct site for each request?

Web Server Hard
A. The server randomly selects a site and redirects if wrong
B. The Host header in the HTTP request identifies the intended site (virtual hosting)
C. Each site is assigned a separate port automatically by the browser
D. The DNS server embeds the site content directly in the response

47 Which distinction between a web page and a website is technically accurate?

Website Hard
A. A web page can contain multiple websites linked together
B. The two terms are interchangeable with no technical difference
C. A web page is a single document; a website is a collection of related web pages under one domain
D. A website is always a single document while a web page is a group of documents

48 What key property distinguishes hypertext from ordinary linear text?

Hypertext Hard
A. It requires no markup or references to other content
B. It contains links allowing non-sequential navigation to other text or documents
C. It stores text in a compressed binary format
D. It can only be read from top to bottom without interruption

49 A user can reach a website by its IP address 93.184.216.34 but not by its domain name. Which ISP-provided service is most likely failing?

ISP Hard
A. The DNS resolution service
B. The browser rendering engine
C. The email relay service
D. The physical fiber connection

50 In a web browser's architecture, what is the primary role of the rendering engine?

Browser Hard
A. To parse HTML and CSS and paint the visual layout of the page
B. To resolve domain names into IP addresses
C. To establish the physical network connection
D. To store user passwords securely

51 Internet telephony (VoIP) typically uses UDP rather than TCP for the media stream. Why is this trade-off usually preferred?

Internet Telephony Hard
A. TCP cannot transmit audio data at all
B. UDP guarantees every packet arrives in order, improving audio
C. UDP encrypts the call automatically while TCP does not
D. Low latency matters more than perfect delivery, and UDP avoids retransmission delays

52 In the standard email flow, which protocols are used for sending versus retrieving messages?

e-mail Hard
A. SMTP both sends and retrieves mail directly to the client
B. IMAP sends mail while HTTP retrieves it
C. SMTP is used to send mail; POP3 or IMAP is used to retrieve it
D. POP3 sends mail while SMTP retrieves it

53 Which statement correctly describes the relationship between the Internet and the World Wide Web?

WWW Hard
A. The WWW and the Internet are identical and fully interchangeable
B. The Internet is one service running on the WWW
C. The Internet is a subset of web pages within the WWW
D. The WWW is one service running on the Internet, which is the underlying global network

54 Within a single website, what precisely distinguishes the homepage from other pages?

Homepage Hard
A. It is the page with the most images on the site
B. It is the last page a visitor views before leaving
C. It is any page that contains a login form
D. It is the default entry page served at the site's root and the main navigation hub

55 Why does a modern instant messaging service often keep a persistent connection or use push technology rather than having the client repeatedly poll the server?

Instant Messaging Hard
A. Because persistent connections encrypt data while polling cannot
B. To deliver messages in near real time while reducing needless network requests
C. Because polling is impossible over TCP/IP networks
D. Because push technology removes the need for any server

56 Video conferencing systems commonly use codecs that discard some visual detail. What is the primary purpose of this lossy compression?

Video conferencing Hard
A. To permanently improve image resolution beyond the camera's capability
B. To guarantee zero packet loss during transmission
C. To eliminate the need for any network connection
D. To reduce bandwidth so video streams smoothly over limited connections

57 A page from bank.com uses JavaScript that tries to read data from a page loaded from evil.com. The browser blocks it. Which security model is responsible?

Web Browser & its environment Hard
A. The rendering engine's paint order
B. The HTTP caching policy
C. The DNS lookup policy
D. The same-origin policy

58 A URL contains the space and special characters and & inside a query value. How must they be represented so the URL is valid?

URL Hard
A. Replaced with underscores automatically by the server
B. Left unchanged, since browsers always accept raw characters
C. Percent-encoded, e.g. space as %20 and & as %26
D. Converted to uppercase letters

59 A browser requests a page and receives HTTP status 304 Not Modified. What has effectively happened?

Web Server Hard
A. The server could not find the requested resource
B. The server confirmed the cached copy is still valid, so the browser reuses it
C. The server returned a fresh full copy of the resource
D. The server permanently moved the resource to a new URL

60 Which comparison between HTML and XML rules is correct?

HTML Hard
A. Both XML and HTML ignore case sensitivity identically for all tags
B. HTML forbids nesting while XML requires it
C. XML is strict and requires every tag to be closed and properly nested, while HTML is more forgiving of errors
D. XML allows unclosed tags but HTML does not
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