Damco Solutions Software Engineer Interview Questions and Answers for Experienced

Q1. What your biggest achievement while working on your previous firm
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Q2. Which domain you're working in last company
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Q3. Which version visual c# you work on?
Ans. 
I work on Visual C# 2019.
• I primarily work on Visual C# 2019 for my software development projects.

• I have experience with Visual C# 2017 and earlier versions as well.

• Visual C# 2019 offers new features and improvements over previous versions.
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Q4. How many projects you work and descrive it's achievement?
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Q5. Have you ever work directly with client
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Q1. What is Django request response cycle.?
Ans. 
Django request response cycle is the process of handling a request and generating a response in Django web framework.
• Client sends a request to the server.

• The request is received by the Django server.

• Django uses URL patterns to match the requested URL to a view function.

• The view function processes the request and returns an HTTP response.

• The response is sent back to the client.
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Q2. What is django signals?
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Django signals allow certain senders to notify a set of receivers that some action has taken place.
• Signals allow decoupled applications to get notified when certain actions occur elsewhere in the application

• They are used to avoid coupling between applications

• Signals are defined by providing a receiver function which gets called when the signal is sent

• Example: A signal can be sent when a new user is created, and a recei...read more
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Q3. Difference between list and tuple, list and array.
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Lists and tuples are similar but tuples are immutable. Arrays are fixed size while lists are dynamic.
• Lists and tuples are both used to store collections of data.

• Tuples are immutable, meaning their values cannot be changed once created.

• Lists are dynamic and can be resized during runtime.

• Arrays are fixed size and can only store elements of the same data type.

• Lists and arrays can be indexed and sliced to access specific e...read more
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Q4. How to define private variables ?
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Private variables are defined using access modifiers to restrict their access within a class.
• Use the 'private' keyword to define a private variable

• Private variables can only be accessed within the class they are defined in

• Private variables are often used to encapsulate data and prevent direct access from outside the class
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Q5. Oops concept, and 4 pillars of oops.
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Oops concept is a programming paradigm based on the principles of abstraction, encapsulation, inheritance, and polymorphism.
• Abstraction: Hiding the implementation details and showing only the necessary information to the user.

• Encapsulation: Binding the data and methods together to protect the data from outside interference.

• Inheritance: Creating a new class from an existing class to reuse the code and add new features.

• P...read more
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Q6. What is decorator. ?
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1.Reverse a list
2.find pairs from a list sum of which is equal to an integer k.

Q1. Difference between pull and push
Ans. 
Pull is when the client initiates the request for data, while push is when the server sends data without a request.
• Pull: Client initiates request for data

• Push: Server sends data without request

• Pull: Used in polling mechanisms

• Push: Used in real-time communication systems
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Q2. Difference between pull and fetch
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Pull and fetch are both Git commands used to update a local repository with changes from a remote repository, but they have different behaviors.
• Pull: updates the current branch with changes from the remote repository and merges them into the local branch.

• Fetch: downloads changes from the remote repository to the local repository, but does not merge them into the local branch.

• Pull is a combination of fetch and merge, wh...read more
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Q1. Where you see yourself in next five years
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