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Intro to Computingfundamentals~5 mins

Web hosting and domains in Intro to Computing - Cheat Sheet & Quick Revision

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Recall & Review
beginner
What is a domain name?
A domain name is the easy-to-remember address of a website, like example.com, that people type in their browser to visit a site. It works like a street address for your house but on the internet.
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beginner
What does web hosting mean?
Web hosting means storing your website's files on a special computer called a server, so people can access your site anytime through the internet.
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intermediate
How do domain names and web hosting work together?
The domain name is like your website's address, and web hosting is the place where your website lives. When you type the domain, it tells the internet where to find your website's files on the hosting server.
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intermediate
What is DNS (Domain Name System)?
DNS is like the internet's phone book. It translates domain names into IP addresses so computers can find the right server to show your website.
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beginner
Why do websites need both a domain and hosting?
A domain gives your website a name people can remember, and hosting stores the website's files. Without hosting, the website can't be seen; without a domain, people can't find it easily.
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What is the main purpose of a domain name?
ATo create website content
BTo store website files
CTo connect to the internet
DTo provide an easy address for a website
What does web hosting provide?
AAn internet connection
BA place to store website files
CA browser to access websites
DA domain name
Which system translates domain names into IP addresses?
ADNS
BHTTP
CFTP
DHTML
If you have a domain but no hosting, what happens?
APeople cannot see your website
BYour website loads faster
CYour website is automatically hosted
DYour domain name changes
Which of these is like a website's street address?
AWeb hosting
BServer
CDomain name
DBrowser
Explain in your own words how a domain name and web hosting work together to make a website accessible.
Think about how you find a house by its address and how the house stores your belongings.
You got /4 concepts.
    Describe what happens step-by-step when you type a website address into your browser.
    Imagine sending a letter to a friend's house and getting a reply.
    You got /5 concepts.

      Practice

      (1/5)
      1. What is the main purpose of web hosting?
      easy
      A. To store website files online so people can access them
      B. To create domain names for websites
      C. To design the layout of a website
      D. To provide internet connection to users

      Solution

      1. Step 1: Understand what web hosting means

        Web hosting is a service that stores your website files on special computers called servers.

      2. Step 2: Identify the purpose of web hosting

        Its main job is to keep your website files online so anyone can visit your site anytime.

      3. Final Answer:

        To store website files online so people can access them -> Option A

      4. Quick Check:

        Web hosting = store website files online [OK]
      Hint: Web hosting = storing files online for access [OK]
      Common Mistakes:
      • Confusing domain names with hosting
      • Thinking hosting creates website design
      • Believing hosting provides internet connection
      2. Which of the following is the correct format for a domain name?
      easy
      A. example_com
      B. www.example.com
      C. http://example
      D. example@com

      Solution

      1. Step 1: Recall the structure of domain names

        Domain names usually have parts separated by dots, like 'example.com', often with 'www' at the start.

      2. Step 2: Check each option format

        www.example.com uses dots and a common structure 'www.example.com', which is correct. Others use underscores, missing parts, or invalid characters.

      3. Final Answer:

        www.example.com -> Option B

      4. Quick Check:

        Domain name format = www.example.com [OK]
      Hint: Domain names use dots, not underscores or special symbols [OK]
      Common Mistakes:
      • Using underscores instead of dots
      • Including protocol like http:// in domain
      • Using invalid characters like @
      3. Consider this simple flowchart for accessing a website:



      What is the role of DNS lookup in this process?
      medium
      A. It finds the server's IP address from the domain name
      B. It stores the website files online
      C. It designs the website layout
      D. It connects the user to the internet

      Solution

      1. Step 1: Understand DNS lookup in website access

        DNS lookup translates the easy domain name into a numeric IP address that computers use to find servers.

      2. Step 2: Match DNS role with options

        It finds the server's IP address from the domain name correctly states DNS finds the server's IP address. Other options describe unrelated tasks.

      3. Final Answer:

        It finds the server's IP address from the domain name -> Option A

      4. Quick Check:

        DNS lookup = domain to IP address [OK]
      Hint: DNS = domain name to IP address translation [OK]
      Common Mistakes:
      • Confusing DNS with hosting
      • Thinking DNS stores files
      • Believing DNS connects to internet
      4. A user tries to visit www.mywebsite but gets an error. What is the most likely problem?
      medium
      A. The user's internet connection is too slow
      B. The web hosting server is down
      C. The domain name is incomplete and missing a top-level domain like .com
      D. The website files are too large

      Solution

      1. Step 1: Analyze the domain name format

        The domain www.mywebsite lacks a top-level domain (TLD) such as .com, .org, or .net, which is required for proper DNS resolution.

      2. Step 2: Identify the cause of the error

        Without a complete domain name including TLD, the DNS cannot find the server, causing an error.

      3. Final Answer:

        The domain name is incomplete and missing a top-level domain like .com -> Option C

      4. Quick Check:

        Complete domain = name + TLD [OK]
      Hint: Domain must include TLD like .com to work [OK]
      Common Mistakes:
      • Blaming slow internet for domain errors
      • Assuming hosting server is always down
      • Thinking file size causes domain errors
      5. You want to create a website for your bakery. Which combination correctly matches the roles of domain and hosting?
      hard
      A. Domain designs the website, hosting registers the website name
      B. Domain stores your website files, hosting is the website address
      C. Domain connects users to internet, hosting creates website content
      D. Domain is the website address (like bakery.com), hosting stores your website files online

      Solution

      1. Step 1: Understand domain and hosting roles

        The domain is the easy-to-remember website address people type, like bakery.com. Hosting is where your website files are stored online.

      2. Step 2: Match correct roles to options

        Domain is the website address (like bakery.com), hosting stores your website files online correctly pairs domain as address and hosting as file storage. Other options confuse these roles.

      3. Final Answer:

        Domain is the website address (like bakery.com), hosting stores your website files online -> Option D

      4. Quick Check:

        Domain = address, Hosting = file storage [OK]
      Hint: Domain = address, Hosting = file storage [OK]
      Common Mistakes:
      • Swapping domain and hosting roles
      • Thinking domain stores files
      • Believing hosting creates website design