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Unit 11: Internet - Practice Quiz

DECAP145 60 Questions
0 Correct 0 Wrong 60 Left
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1 What is a web page?

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

2 A website is best described as:

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

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

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

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

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

5 What is the main purpose of a web browser?

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

6 What does URL stand for?

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

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

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

8 Hypertext allows users to:

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

9 What does ISP stand for?

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

10 Which service does an ISP mainly provide?

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

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 provide electrical power to computers
D. To design graphics for websites

12 What does HTML stand for?

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

13 HTML is mainly used to:

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

14 What does the D in DHTML stand for?

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

15 What does XML stand for?

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

16 Where does client-side scripting run?

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

17 What does WWW stand for?

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

18 E-mail is mainly used to:

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

19 Instant Messaging allows users to:

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

20 Video conferencing mainly allows people to:

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

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

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

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

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. web page; website
B. URL; web server
C. website; web page
D. homepage; browser

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. Hyperlinks
C. Metadata tags
D. Cookies

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

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 server
C. The web browser
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. <href a="page2.html">Go</href>
C. <link src="page2.html">Go</link>
D. <url="page2.html">Go</url>

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

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

XML Medium
A. It stores data as compressed images
B. It lets you define custom tags to describe data
C. It renders faster in browsers
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 server side
B. On the ISP router
C. On the client 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. Changing font color on a button press
B. Querying a database for stored user records
C. Highlighting a text box when clicked
D. Showing a dropdown menu on hover

32 Which statement correctly distinguishes the WWW from the Internet?

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

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

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

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. Reply-To
B. Bcc
C. Cc
D. To

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

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

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

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

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. An outdated homepage
C. A missing email client
D. Insufficient network bandwidth

38 What is the primary job of a web browser?

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

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. Reload button
B. Status bar
C. Bookmark
D. Address bar autocomplete

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

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

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. Client-side scripting for both instant checks and database storage
B. Neither is needed since HTML alone can validate and store data
C. Client-side scripting for instant format checks; server-side scripting for database processing
D. Server-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. A user can disable or modify scripts and send crafted requests directly to the server
B. HTML cannot render input fields without server assistance
C. The server automatically re-runs the same client script
D. Browsers strip all validation code before submission

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

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

45 DHTML is best described as which of the following?

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

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

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

Website Hard
A. A website is always a single document while a web page is a group of documents
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 web page can contain multiple websites linked together

48 What key property distinguishes hypertext from ordinary linear text?

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

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 physical fiber connection
C. The email relay service
D. The browser rendering engine

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

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

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

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

e-mail Hard
A. SMTP is used to send mail; POP3 or IMAP is used to retrieve it
B. SMTP both sends and retrieves mail directly to the client
C. IMAP sends mail while HTTP retrieves 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 is one service running on the Internet, which is the underlying global network
B. The Internet is a subset of web pages within the WWW
C. The WWW and the Internet are identical and fully interchangeable
D. The Internet is one service running on the WWW

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

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

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. Because polling is impossible over TCP/IP networks
C. To deliver messages in near real time while reducing needless network requests
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 reduce bandwidth so video streams smoothly over limited connections
B. To guarantee zero packet loss during transmission
C. To permanently improve image resolution beyond the camera's capability
D. To eliminate the need for any network connection

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 same-origin policy
B. The DNS lookup policy
C. The rendering engine's paint order
D. The HTTP caching 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. Left unchanged, since browsers always accept raw characters
B. Converted to uppercase letters
C. Replaced with underscores automatically by the server
D. Percent-encoded, e.g. space as %20 and & as %26

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 permanently moved the resource to a new URL
D. The server returned a fresh full copy of the resource

60 Which comparison between HTML and XML rules is correct?

HTML Hard
A. XML allows unclosed tags but HTML does not
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. Both XML and HTML ignore case sensitivity identically for all tags
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