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(Solved): Web Design assignment : A. Identify the purpose and types of DNS, including explanations on how domain names are organized and managed....

The assignment for website:

The report we are asked to write about the following points in details:

  1. Identify the purpose and types of DNS, including explanations on how domain names are organized and managed.
  2. Explain the purpose and relationships between communication protocols, server hardware, operating systems and web server software with regards to designing, publishing and accessing a website.
  3. Evaluate the impact of common web development technologies and frameworks with regards to website design, functionality and management.
  4. Review the influence of search engines on website performance and provide evidence-based support for improving a site’s index value and rank through search.
  5. Discuss the capabilities and relationships between front-end and back-end website technologies and explain how these relate to presentation and application layers.
  6. Discuss the differences between online website creation tools and custom built sites with regards to design flexibility, performance, functionality, User Experience (UX) and User Interface (UI).
  7. Evaluate a range of tools and techniques available to design and develop a custom built website.
  8. Justify the tools and techniques chosen to realise a custom built. (bootstrap theme was used).

 

You are expected to use appropriate references throughout and keep carefully detailed notes of all your sources of materials for material you have used in your work, including any material downloaded from the Internet



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  1. Identify the purpose and types of DNS, including explanations on how domain names are organized and managed.

Types of DNS are categorized into three categories;

  1. DNS servers’ types – these include;
          1. Authoritative DNS Server
          2. DNS Resolver
          3. DNS Root Server
  2. DNS queries types – these includes; iterative, non-recursive and recursive  
  3. DNS records types – these includes; CNAME, A, AAAA, MX, NS and TEXT

DNS servers

  1. DNS Resolver also called “recursive resolver” is made in a way that it is able to get the DNS queries from the user that includes a human readable hostname for example “www.mywebsite.com” and it’s also accountable for tracing the IP address of the corresponding hostname.
  2. DNS Root Server is responsible for extracting the Top Level Domain (TLD) from the  query by user (e.g., www.mywebsite.com) and it gives the information for the .com TLD  name server. As a result, that server will give the information of the DNS zone that includes “mywebsite.com” (Niemelä & Konola, 2013). 
  3. Authoritative DNS Server- this is usually the final step of the name server query because it receives the hostname and gives back the corresponding IP address to the DNS resolver.

 

DNS Queries

Recursive Query – in this query the DNS client submits a hostname, then a response is returned by the DNS Resolver.

 

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