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CCNA INTERVIEW QUESTIONS & ANSWERS

1. What is routing? Routing is the process of finding a path on which data can pass from source to destination. Routing is done by a device called routers, which are network layer devices. 2. What is the purpose of data link? The job of the data link layer is to check messages are sent to the right device . Another function of this layer is framing. 3. What are the key advantages of using switches? When a switch receives a signal, it creates a frame out of the bits that can be extracted from that signal. With this process , it gains access and reads the destination address, after which it forwards that frame to the appropriate port. This is a very efficient means of data transmission, instead of broadcasting it on all ports. 4. When does network congestion occur? Network congestion occurs when too many users are typing to use the same bandwidth. This is especially true in big networks that do not resort to network segmentation. 5. Does a bridge ...
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What is Content Writing? For what reason is it Important in SEO?

Along these lines, content writing – the expert in advanced advertising and SEO ; you should have likewise run over the expression 'Quality written substance is the final deciding factor', and it's appropriately said. The entire computerized showcasing and website streamlining would not be conceivable with an extraordinary substance that clings to the SEO rules. Content writing is a type of web based composition which is basically utilized for computerized advertising efforts. This incorporates a wide scope of specialties territories, for example, article composing, online journals , item portrayals, bulletins, points of arrival, internet based life substance, emailers, and that's just the beginning. Content composing additionally varies dependent on the business, however paying little mind to the business, each organization must contract content essayists who are likewise proficient bloggers. Online journals are an incredible channel to draw in rush ho...
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ANDROID INTERVIEW QUESTIONS & ANSWERS

1. What is Application? The Application class in Android  is the base class within an Android app that contains all other components such as activities and services. The Application class, or any subclass of the Application class, is instantiated before any other class when the process for your application/package is created. 2. What is Context? A Context is a handle to the system; it provides services like resolving resources, obtaining access to databases and preferences, and so on. An Android app has activities. Context is like a handle to the environment your application is currently running in. Application Context: This context is tied to the lifecycle of an application. The application context can be used where you need a context whose lifecycle is separate from the current context or when you are passing a context beyond the scope of an activity. Activity Context: This context is available in an activity. This context is tied to the lifecy...
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10 REASONS TO USE NODE.JS

1. Node.js is a Ubiquitous Runtime JavaScript is a decent spot to begin for new designers, and remains the dialect of decision for some prepared engineers. What's more, however the dialect has been around for quite a while and put in a couple of years grieving during the 90s and mid 2000s, as intrigue extended, JavaScript has developed and added highlights thought about basic to present day programming dialects. What's more, similarly as with any great dialect, it is basic and open enough for anybody to begin with, yet ground-breaking enough that even old hands find new things to learn and outfit for their work. You may as of now be utilizing a rich customer structure, for example, (Angular, Ember, Backbone) and a RESTful server-side API that vans JSON forward and backward. Regardless of whether you're not utilizing one of those systems, you've composed your own in jQuery or Vanilla JavaScript. So in the event that you're not utilizing Node.js on the serv...
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Angularjs Has Taken Off In A Big Way, Why?

AngularJS  is an open-source Front-end JavaScript system. It will likely enlarge program based applications with Model– View– Controller (MVC) capacity and diminish the measure of JavaScript expected to make web applications useful. These sorts of applications are otherwise called Single-Page Applications. 1.  Angular JS  Framework is produced by Google Angular is constructed and kept up by Google engineers. This one may appear glaringly evident, however it’s vital to recollect that many (not all) systems are made by specialists in the open source network. While energy and drive have manufactured structures, similar to Cappuccino and Knockout, Angular is assembled and kept up by committed (and exceedingly gifted) Google engineers. This implies you not just have an expansive open network to gain from, yet you additionally have gifted, profoundly accessible architects entrusted to enable you to get your Angular inquiries replied. This isn’t Google’s first endeavor ...
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What Is ANGULARJS and How Does It Work?

What is Angular JS Angular JS  is a JAVA script framework that helps build web applications. Name itself suggests, that Angular JS has something to do with JAVA script. There has always been a problem of slow page posting in web development. Angular JS was developed by Misco and Adam Abrons to make page posting faster. Angular is licensed by Apache and maintained by google. Angular JS  is an open source project. That means it can be freely used, changed and shared by anyone.   Using Angular JS, user can create client side web application of any website using JAVA script. That means website will get overall features of JAVA script and pages will not get refreshed in any operation performed. This will make the website efficient enough to give faster output.   Can be used to build single page application and line of business application.   Use of only one script file i.e. Angular.JS   Before starting to learn  Angular JS  one shoul...
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