Chetu Web Developer Interview Questions, Process, and Tips

Q1. How to update new PHP version
Ans. 
To update PHP version, download the latest version from php.net, backup your files, update php.ini, and restart the server.
• Download the latest PHP version from php.net

• Backup your files before updating

• Update php.ini configuration file

• Restart the server to apply changes
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Q2. How to create python in session
Ans. 
To create a Python session, you can use the 'requests' library to make HTTP requests and maintain session state.
• Import the 'requests' library

• Create a session object using 'requests.Session()'

• Use the session object to make HTTP requests, which will automatically handle cookies and other session data
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Php, html , CSS in this relationship

Q1. HTML CSS and JavaScript
Ans. Hyper text markup language, Cascading style sheet and JavaScript
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Q1. UI and UX design questions
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Q1. C# oops concept .net core
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Q2. Sql server Database
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Q1. Discussion of about of your company
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Q2. Salary discussion And benefits
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Q3. Features About of your company
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Round duration - 60 Minutes
Round difficulty - Medium

This round had questions mainly from .NET and ASP .NET Core.

Q1. .NET Question
What is a delegate in .NET?
Ans. 
A delegate is a .NET object which defines a method signature and it can pass a function as a parameter.

Delegate always points to a method that matches its specific signature. Users can encapsulate the reference of a
method in a delegate object.

When we pass the delegate object in a program, it will call the referenced method. To create a custom event in a
class, we can make use of delegate.
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Q2. .NET Question
What are the types of memories supported in the .NET framework?
Ans. 
Two types of memories are present in .NET. They are :

Stack: Stack is a stored-value type that keeps track of each executing thread and its location. It is used for static
memory allocation.

Heap: Heap is a stored reference type that keeps track of the more precise objects or data. It is used for dynamic
memory allocation.
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Q3. .NET Question
What is Dot NET Core used for?
Ans. 
1) .NET Core is useful in the server application creations, that run on various operating systems like Windows, Mac,
and Linux. Using this, developers can write libraries as well as applications in C#, F#, and VB.NET in both runtimes.

2) Generally, it is used for cloud applications or for modifying large enterprise applications into microservices.

3) .NET Core 3.0 supports cross-development between WPF, UWP, and Windows F...read more
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Q4. .NET Question
What is the difference between Function and Stored procedure?
Ans. 
Stored Procedure :
1) A Stored Procedure is always used to perform a specific task.
2) It can return zero, one or more value.
3) It can have both input and output parameters.
4) Exception handling can be done using a try-catch block.
5) A function can be called from a Procedure.


Functions :
1) Functions must return a single value.
2) It can only have the input parameter.
3) Exception handling cannot be done using a try-catch bl...read more
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Q5. .NET Question
What is MVC?
Ans. 
MVC stands for Model View Controller. It is an architectural model for building the .Net applications.

Models – Model objects store and retrieve data from the database for an application. They are usually the logical
parts of an application that is implemented by the application’s data domain.

View – These are the components that display the view of the application in the form of UI. The view gets the
information from the ...read more
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Q6. .NET Question
What is Zero Garbage Collectors?
Ans. 
Zero Garbage Collectors allows you for object allocation as this is required by the Execution Engine. Created objects
will not get deleted automatically and theoretically, no longer required memory is never reclaimed.

There are two main uses of Zero Garbage Collectors. They are :

1) Using this, you can develop your own Garbage Collection mechanism. It provides the necessary functionalities for
properly doing the runtime wo...read more
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Q7. ASP .NET Question
Explain the Middleware in ASP.NET Core.
Ans. 
The Request handling pipeline is a sequence of middleware components where each component performs the
operation on request and either call the next middleware component or terminate the request. When a middleware
component terminates the request, it's called Terminal Middleware as It prevents next middleware from processing
the request. You can add a middleware component to the pipeline by calling .Use... extension metho...read more
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Q8. ASP .NET Question
What is Host in ASP.NET Core?
Ans. 
Host encapsulates all the resources for the app. On startup, ASP.NET Core application creates the host. The
Resources which are encapsulated by the host include :

1) HTTP Server implementation
2) Dependency Injection
3) Configuration
4) Logging
5) Middleware components
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Round duration - 60 Minutes
Round difficulty - Medium

This round started with some questions from DBMS and SQL and then moved on to some more questions from ASP .NET.

Q1. DBMS Question
Explain the concept of ACID properties in DBMS?
Ans. 
ACID properties is the combination of Atomicity, Consistency, Isolation, and Durability properties. These properties
are very helpful in allowing a safe and secure way of sharing the data among multiple users.

1) Atomicity: This is based on the concept of “either all or nothing” which basically means that if any update occurs
inside the database then that update should either be available to all the others beyond user and...read more
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Q2. SQL Question
What are different types of joins in SQL?
Ans. 
There are 4 types of SQL Joins :

1) Inner Join: This type of join is used to fetch the data among the tables which are common in both the tables.

2) Left Join: This returns all the rows from the table which is on the left side of the join but only the matching rows
from the table which is on the right side of the join.

3) Right Join: This returns all the rows from the table which is on the right side of the join but only t...read more
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Q3. SQL Question
What are Constraints in SQL?
Ans. 
Constraints are used to specify the rules concerning data in the table. It can be applied for single or multiple fields in
an SQL table during the creation of the table or after creating using the ALTER TABLE command. The constraints are :

1) NOT NULL - Restricts NULL value from being inserted into a column.

2) CHECK - Verifies that all values in a field satisfy a condition.

3) DEFAULT - Automatically assigns a default val...read more
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Q4. SQL Question
What are triggers?
Ans. 
Triggers in SQL is kind of stored procedures used to create a response to a specific action performed on the table
such as INSERT, UPDATE or DELETE. You can invoke triggers explicitly on the table in the database.

Action and Event are two main components of SQL triggers. When certain actions are performed, the event occurs in
response to that action.

Syntax :

CREATE TRIGGER name {BEFORE|AFTER} (event [OR..]}
ON table_name [F...read more
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Q5. ASP .NET Question
What is caching?
Ans. 
Caching is the process of storing data in a temporary storage location that is quicker to access than the original
location of the data so that it can be accessed more quickly when the same data is needed next time.

Caching improves the scalability and performance of your application. It does this by reducing the work required to
fetch the data. Caching is useful for data that doesn’t change frequently and is expensive to...read more
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Q6. ASP .NET Question
Describe Attribute based routing.
Ans. 
Attribute Routing gives you more control over the URIs in your web application. MVC 5 supports this attribute based
routing where attributes are used to define the routes. You can manage resource hierarchies in better way using
attribute based routing. Attribute based routing is used to create routes which are difficult to create using convention-
based routing.
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Q7. HTTP Question
Explain how HTTP protocol works?
Ans. 
Hypertext Transfer Protocol (HTTP) is an application-layer protocol for transmitting hypermedia documents, such as
HTML. It handles communication between web browsers and web servers. HTTP follows a classical client-server
model. A client, such as a web browser, opens a connection to make a request, then waits until it receives a response
from the server.


HTTP is a protocol that allows the fetching of resources, such as HT...read more
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Q8. HTTP Question
What is Session State in HTTP?
Ans. 
Session state is also known as Stateless state. HTTP is a stateless protocol. In the session state, the client and
server just know about each other only during the current request. If the connection is closed, and two computers
want to connect again, they need to provide information to each other as a new connection, and the connection is
handled as the very first one.
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Round duration - 30 Minutes
Round difficulty - Easy

This was a Technical Cum HR round where I was first asked some basic OOPS related concepts and then we discussed
about my expectations from the company , learnings and growth in the forthcomig years. I would suggest be honest and
try to communicate your thoughts properly in these type of rounds to maximise your chances of getting selected.

Q1. Basic HR Question
Why should we hire you?
Ans. 
Tip 1 : The cross questioning can go intense some time, think before you speak.

Tip 2 : Be open minded and answer whatever you are thinking, in these rounds I feel it is important to have opinion.

Tip 3 : Context of questions can be switched, pay attention to the details. It is okay to ask questions in these round,
like what are the projects currently the company is investing, which team you are mentoring. How all is the ...read more
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Q2. Basic HR Question
Why are you looking for a job change?
Ans. 
Tip : For an experienced professional seeking a change, this is a common question. The easiest method to respond
to this question is to state that you are leaving your current work in order to advance your career. Make sure you don't
criticize or speak poorly about the company where you now work.
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