Computers

KG

Image

IGCSE Computer Science - Internet and Its Uses (Chapter 5))

63
plays

35 questions

Show Answers
See Preview
  • 1. Fill in the Blank
    5 seconds
    1 pt

    a set of rules that must be obeyed when transferring files across the internet

  • 2. Multiple Choice
    5 seconds
    1 pt

    In the following option, what are some of the features that most web browsers have?

    they have a home page

    they have the ability to allow the user to navigate forwards and backwards through websites/web pages already opened

    they make use of cookies

    data is stored as a cache

    make use of JavaScript

  • 3. Multiple Choice
    5 seconds
    1 pt

    Which of these statements accurately shows how a web page can be located and then sent back to the user’s computer?

    1. The DNS server (1) finds the URL and map it to an IP address; the IP address is sent to the DNS server (2) which now puts this IP address and associated URL into its cache/database.

    2. The corresponding IP address is then sent back to the user’s computer

    3. The computer now sets up communication with the website server and the required pages are downloaded. HTML files are sent from the website server to the computer. The browser interprets the HTML, which is used to structure content, and then displays the information on the user’s computer.

    4. The user again opens their browser and types in the URL and the browser asks the DNS server (1) for the IP address of the website

    5. If DNS server can’t find the URL in its database or its cache, so it sends out a request to a DNS server (2). The cycle repeats until an error is detected

    1. The user opens their browser and types in the URL and the browser asks the DNS server (1) for the IP address of the website

    2. In this case, let’s assume the DNS server can’t find the URL in its database or its cache, so it sends out a request to a DNS server (2).

    3. The DNS server (2) finds the URL and can map it to an IP address; the IP address is sent back to the DNS server (1) which now puts this IP address and associated URL into its cache/database.

    4. The computer now sets up communication with the website server and the required pages are downloaded. HTML files are sent from the website server to the computer. The browser interprets the HTML, which is used to structure content, and then displays the information on the user’s computer.

    5. The corresponding IP address is then sent back to the user’s computer.

    1. The DNS server (1) finds the URL and map it to an IP address; the IP address is sent to the DNS server (2) which now puts this IP address and associated URL into its cache/database.

    2. The corresponding IP address is then sent back to the user’s computer

    3. The computer now sets up communication with the website server and the required pages are downloaded. HTML files are sent from the website server to the computer. The browser interprets the HTML, which is used to structure content, and then displays the information on the user’s computer.

    4. The user again opens their browser and types in the URL and the browser asks the DNS server (1) for the IP address of the website

    5. If DNS server can’t find the URL in its database or its cache, so it sends out a request to a DNS server (2). The cycle repeats until an error is detected

    1. The user opens their browser and types in the URL and the browser asks the DNS server (1) for the IP address of the website

    2. In this case, let’s assume the DNS server can’t find the URL in its database or its cache, so it sends out a request to a DNS server (2).

    3. The DNS server (2) finds the URL and can map it to an IP address; the IP address is sent back to the DNS server (1) which now puts this IP address and associated URL into its cache/database.

    4. The corresponding IP address is then sent back to the user’s computer.

    5. The computer now sets up communication with the website server and the required pages are downloaded. HTML files are sent from the website server to the computer. The browser interprets the HTML, which is used to structure content, and then displays the information on the user’s computer.

  • Answer choices
    Tags
    Answer choices
    Tags

    Explore all questions with a free account

    Already have an account?