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 Web Technology Questions

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Q:

Text/Html is called the __________ of the page

A) content type B) MIME type
C) content type/MIME type D) None of these
 
Answer & Explanation Answer: C) content type/MIME type

Explanation:
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Q:

Who is making the web standards?

A) Internet Explorer B) Netscape Navigator
C) The World Wide Web Consortium D) All of the above
 
Answer & Explanation Answer: C) The World Wide Web Consortium

Explanation:

Web standards are rules and guidelines established by the World Wide Web Consortium ( W3C ) developed to promote consistency in the design code which makes up a web page.

 who_is_making_the_web_standards1557557101.jpg image

 

W3C is an international community of member organizations created in 1994 that articulates web standards so that websites look and work the same in all web browsers.

 

Its mission is to lead the World Wide Web to its full potential.

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Q:

How does Node.js prevents blocking code?

Answer

By providing callback function. Callback function gets called whenever corresponding event triggered.

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Q:

Distinguish between Static vs. Dynamic HTML

Answer

- The easiest difference is static HTML once rendered cannot be changed on the other hand dynamic HTML can be changed.


- Static web pages cannot have database access but dynamic pages can be connected to database.


- Using static HTML no interactions persist between user and server but dynamic HTML has capability to interact with the user.


- Static HTML does not require server side coding but dynamic HTML requires server side coding.


- No animation, games can be developed using the static HTML but on the other hand dynamic HTML can perform this task.

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Q:

How can you make sure the web application is fit for release ?

Answer


1. We can operate majority of test cases, but importantly we can make use testing techniques such as Pair-wise testing to reduce combinations, and/or model based testing to plan user journeys to ensure major functionality of web application works or not.


2. We can also use analytics to get insight into what users do on the website, which page is most popular and which feature is most used by the users.



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Q:

Server controls contain attributes whereas HTML controls have properties only.

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

Server controls contain properties whereas HTML controls have attributes.

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Job Role: Software Architect

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Q:

Server control events are handled in the server whereas HTML control events are handled in the page

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Server control events can be handled inside a server itself

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Job Role: Software Architect

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Q:

How to convert JSON Text to a JavaScript Object ?

Answer

One of the most common use of JSON is to fetch JSON data from a web server (as a file or as an HttpRequest), convert the JSON data to a JavaScript object, and then it uses the data in a web page.


The eval() function can compile and execute any JavaScript. This represents a potential security problem.


It is safer to use a JSON parser to convert a JSON text to a JavaScript object. A JSON parser will recognize only JSON text and will not compile scripts.

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