Interview Questions

Q:

________ intended to address issues such as bugs and errors within existing software.

A) Fix B) BugFix
C) CodeFix D) HotFix
 
Answer & Explanation Answer: D) HotFix

Explanation:
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Filed Under: Cloud Computing
Job Role: Analyst , IT Trainer

1 1954
Q:

Differentiate different types of Doctypes from one another.

Answer

Doctype helps the web browser to correctly render the web pages. There are different types of Doctype that are available and they are as follows:


=> Strict Doctype: it consists of all the HTML elements and it is also known as DTD (Document type definition) but it doesn't include the presentational and deprecated elements i.e. font, center, etc. Framesets related elements are also not allowed in this. For example:


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"


"https://www.w3.org/TR/html4/strict.dtd">


=> Transitional Doctype: it consists of all the HTML elements and attributes. It is also known as DTD (Document type definition). It includes the presentational and deprecated elements i.e. font, center, etc. Framesets related elements are also not allowed in this. For example:


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"


"https://www.w3.org/TR/html4/loose.dtd">


=> Frameset Doctype: it consists of all the HTML elements and attributes. It is also known as DTD (Document type definition). It includes the presentational and deprecated elements i.e. font, center, etc. Framesets related elements are also allowed in this. For example:


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN"


"https://www.w3.org/TR/html4/frameset.dtd">

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Subject: Web Technology

0 1953
Q:

What is a better way to design the layout of a web page – a table tag or div?

Answer

- The better way to design the layout of the webpage is by using the <div> tag. 


- The <table> tag is used to present the data in tabular format

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Subject: Web Technology

0 1953
Q:

What is the use of super call?

Answer

By using super call we can call super class constructors  from sub class constructors and we can initialize super class private data.

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Subject: Java

0 1952
Q:

What are the ways in which attackers can infiltrate the system?

Answer

- Web servers can be infiltrated using the command shell by an attacker to read the HTML files that is getting transferred. 


- If the set-uid scripts are not proper and bad then the infiltration can happen by the attacker. 


- The processes are not given proper permissions so that the password can be changed by using the “passwd” command to change the password of the system.


- This also authenticates the user for accessing the system and the files on it containing the data. 


- The program that is used in the operating system doesn’t follow the principle of least privilege and lead to security issues.

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Subject: Web Technology

0 1951
Q:

What is a Node.js?

Answer

Node.js is a framework for web applications built on Google Chrome's JavaScript Engine(V8 Engine).


Node.js is comes with runtime environment on which a cript based on javascript can be interpreted and executed (It is analogus to JVM to JAVA byte code). This runtime environment allows to execute a JavaScript code on any machine outside a browser. Because of this runtime of Node.js, JavaScript is now can be executed on server also.


Node.js is provides a rich library of various javascript modules which eases the developement of web application using Node.js to greater extents.


 

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Subject: Web Technology
Job Role: Software Architect

0 1950
Q:

What is the minimum period to revise the Basic Salary of Employees?

Answer

Wage Revisions as per wage policy every finanical year means April of the every year will revised.


At the same time Basic is revised as per appointment order like we are given probation period to every employee after completion of the employee probation than basic also revised and depends upon Organisation Structure also.

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0 1949
Q:

How to call argument constructor?

Answer

new ClassName( arg1, arg2, .... argN);


Ex:


Class sample {


   Sample(int a) {


   System.out.println("arg con a =" +a);


   }


}


class Demo {


    Public static void main( String[] args) {


     Sample s1= new Sample(23);


     Sample s2= new Sample(45);


    }


}

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Subject: Java

0 1946