Unit 10: Internet - Practice Quiz

1 What is the Internet?

2 What is a web page?

3 What is a website?

4 Which statement best describes the home page of a website?

5 Which of the following is a web browser?

6 What does URL stand for?

7 What is hypertext?

8 What is the main role of an Internet service provider (ISP)?

9 What does a web server do?

10 What does WWW stand for?

11 What is email mainly used for?

12 What is a key feature of instant messaging?

13 What does Internet telephony allow users to do?

14 Which equipment is commonly needed for videoconferencing?

15 Where do you usually type a website's URL in a browser?

16 What does the Back button in a web browser usually do?

17 What does the Refresh or Reload button do?

18 What usually happens when you click a hyperlink on a web page?

19 What is an email attachment?

20 What is the purpose of a browser tab?

21 Mira copies a presentation from her computer to an online storage service. Which Internet activity is she performing?

22 A school portal displays one document containing text, images, and links at school.example/admissions.html. What is this document best described as?

23 A company has About, Products, Support, and Contact pages under the same domain. What does the complete collection represent?

24 When visitors enter www.example.org, they first see a page that introduces the organization and links to major sections. What is this page called?

25 A user has a working Internet connection but cannot directly display an HTML file received from a web server. Which application is primarily needed?

26 In the URL https://library.example.org/books/index.html, which part identifies the protocol used to access the resource?

27 While reading an online article, Arun selects highlighted text and is taken to a related page. Which feature made this navigation possible?

28 A family has installed a router, but it still needs a company to provide access to the wider Internet. Which service should the family obtain?

29 Several users enter a website's address, and a remote computer sends the requested HTML files to their browsers. What role is the remote computer performing?

30 Which statement correctly distinguishes the World Wide Web from the Internet?

31 A teacher must email 30 parents without revealing each parent's address to the others. In which field should the addresses be entered?

32 An email appears to come from a bank and asks the recipient to select a link and confirm a password immediately. What is the safest response?

33 A project team needs short text exchanges that appear almost immediately and show when members are available. Which service is most appropriate?

34 A traveler makes a voice call through a hotel Wi-Fi network instead of using the mobile voice network. Which technology is being used?

35 During an online meeting, participants hear an echo whenever one person uses external speakers. Which action is most likely to reduce the echo?

36 Leena wants to keep several websites open and switch among them without opening several browser windows. Which browser feature should she use?

37 A frequently visited web page still displays an older image after the site owner has replaced it. Which browser action is most likely to retrieve the current version?

38 Which URL most clearly indicates that information exchanged with the website is encrypted during transmission?

39 A browser can reach a website, but requesting an old page produces a 404 Not Found message. What does this usually mean?

40 A student uses a shared computer and does not want the browser to save local browsing history for one session. Which feature is most suitable?

41 A student can send email and join an Internet voice call, but one particular website repeatedly times out. Which conclusion is best supported?

42 A page at https://example.org/courses/unit10/lesson.html contains <img src='../assets/map.png'>. Which URL will the browser request for the image?

43 portal.example.com and help.example.com use different servers but share branding, ownership, navigation, and purpose. What most strongly supports treating them as parts of one website?

44 A browser is configured to open a news page at startup. The user then visits a university site and clicks its logo to reach the site's main page. Which classification is correct?

45 A browser receives an HTML document containing references to two images, a style sheet, and a script. Which description of the browser's next actions is most accurate?

46 A browser opens https://example.org/report?id=7#page=3. Which part is normally included in the initial HTTP request target sent to example.org?

47 A page contains a valid hyperlink to a document that is later deleted from the target server. Which statement correctly describes the resulting hypertext structure?

48 A computer can reach a known test server by IP address but cannot resolve www.example.org. Other local devices using the same ISP-provided DNS settings have the same problem. What is the most appropriate first diagnosis and test?

49 Two websites use the same IP address on a plain HTTP/1.1 web server. After DNS resolution, what normally allows the server to select the intended website?

50 Which statement most accurately distinguishes the World Wide Web from the Internet?

51 An email is addressed to T in the To field and secretly copied to B1 and B2 using Bcc. Under normal email handling, what can B1 infer from the received message's displayed recipient headers?

52 A user wants messages, folders, and read/unread states to remain synchronized between a phone and a laptop. Which protocol is most directly designed for this mailbox synchronization?

53 An instant-messaging service uses end-to-end encryption for message contents. Which claim remains technically defensible?

54 During an Internet voice call, packets arrive with highly variable delay but are mostly delivered. Which adjustment most directly improves smooth playback, and what trade-off does it introduce?

55 In a four-person conference, assume each outgoing video stream has rate . A full-mesh design sends one stream to every other participant, while an SFU design sends one stream to a central forwarding server. What is each participant's approximate upload rate?

56 A user opens a private or incognito browser window on an employer-managed network. Which statement is accurate?

57 A browser sends a conditional request for a cached page and receives HTTP status 304 Not Modified. What should the browser normally do?

58 The current document URL is https://example.org/docs/page.html?lang=en#old. A link contains href='?mode=print#top'. What absolute URL results?

59 A single-page web application updates its visible content and uses history.pushState() to change the address bar. Which conclusion is most accurate?

60 Customers in different homes discover that they sometimes appear to websites under the same public IP address, and unsolicited inbound connections to their routers fail. Which ISP technique best explains both observations?