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Showing posts from November, 2019

DNS

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what is DNS DNS is a global system for translating IP address to human-readable domain names. the DNS server takes the hostname and resolves it into a numeric IP address which the web browser can connect to.  purpose   it manages to translate all the inquiries into IP addresses, and like this, it can identify different devices that are connected to the network.  DNS queries A DNS query (also known as a DNS request) is a demand for information sent from a user's computer (DNS client) to a DNS server. In most cases a DNS request is sent, to ask for the IP address associated with a domain name. An attempt to reach a domain is actually a DNS client querying the DNS servers to get the IP address, related to that domain. 1. recursive query   - A recursive query is a kind of query, in which the DNS server, who received your query will do all the job of fetching the answer, and giving it back to you . During this process, the DNS server

client side and server side

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what is the client-side?  Client - side  means that the action takes place on the user's (the  client's ) computer (browser). what is jQuery?  jQuery is an open-source Javascript library that simplifies the creation and process of web applications, to make it much easier to use JavaScript on the user website.  The jQuery library contains the following features: HTML/DOM manipulation .   CSS manipulation HTML event methods Javascript  AJAX 3 advantages of jQuery? lightweight (fast browsing) open-source library (free and supported across different application) wide range of plugins (  has a wide range of plugins which are all over the internet. helps developers to create special effects more quickly. ) example of a jquery framework?  jQWidgets  - is an advanced Javascript and HTML5 UI framework. We create UI Components for Angular, Vue.js, React, Web Components, ASP .NET MVC & jQuery a framework based on Javascript for building w