WindStream Energy Technologies India Senior Associate Interview Questions and Answers

Q1. Tell me about yourself and your previous company .
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Q2. Why you want to join vodafone.
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Q3. What are your salary expectation.
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Q4. How soon you will join us.
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Q1. Tell me about yourself
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Q1. When will you join us.
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Basic debugging questions

Q1. Basic Java conncepts
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Q2. Inheritance of files
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Inheritance of files refers to the process of passing down files and their associated permissions from one user or group to another.
• Inheritance allows for efficient management of file permissions by reducing the need to manually assign permissions to each individual file.

• When a file inherits permissions, it means that it adopts the same permissions as its parent directory.

• Inheritance can be enabled or disabled for spec...read more
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Q3. Why do you want to join is
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Q1. SQL Basics on query,joins
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Q2. Python basics on OOPs,exception handling
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Q1. Explain the architecture of Kubernetes
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Kubernetes is a container orchestration platform that manages and automates the deployment, scaling, and management of containerized applications.
• Kubernetes uses a master-slave architecture with a control plane and worker nodes.

• The control plane manages the overall state of the cluster and schedules workloads to the worker nodes.

• Worker nodes run the containers and communicate with the control plane to receive instructi...read more
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Q2. Give case study scenario where you implemented a app through any cloud provider (I preferred with azure)
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Q1. Explain the garbage collection process in java
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Garbage collection is an automatic process of freeing up memory by removing unused objects.
• Java uses a mark-and-sweep algorithm for garbage collection

• Objects that are no longer referenced are marked for deletion

• The garbage collector runs periodically to remove the marked objects

• Finalize() method can be used to perform cleanup operations before an object is deleted
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Q2. Explain how did you implemented CI CD integration through Jenkins
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Implemented CI/CD integration through Jenkins using pipeline as code approach
• Created a Jenkins pipeline job and defined stages for build, test, and deploy

• Integrated source code management tool like Git with Jenkins

• Used Jenkins plugins like Maven, Docker, and Kubernetes for building, packaging, and deploying the application

• Configured Jenkins to trigger the pipeline on every code commit or merge to the main branch

• Enabled...read more
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Q3. Describe how Azure hosted AKS works
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Azure hosted AKS is a managed Kubernetes service that simplifies deployment and management of containerized applications.
• AKS stands for Azure Kubernetes Service

• AKS is a fully managed Kubernetes container orchestration service

• AKS automates the deployment, scaling, and management of containerized applications

• AKS integrates with other Azure services such as Azure Active Directory, Azure Monitor, and Azure Container Regist
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Q1. How to install operating system?
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To install an operating system, you need to boot from the installation media and follow the on-screen instructions.
• Insert the installation media (such as a USB drive or DVD) into the computer

• Restart the computer and boot from the installation media

• Follow the on-screen instructions to select language, partition the disk, and install the OS

• Wait for the installation process to complete and then restart the computer
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Q2. Difference between router & Switch
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Router connects multiple networks while switch connects devices within a network.
• Router operates at the network layer (Layer 3) of the OSI model, while switch operates at the data link layer (Layer 2).

• Router uses IP addresses to route data between different networks, while switch uses MAC addresses to forward data within a network.

• Router can determine the best path for data packets to travel between networks, while swi...read more
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Q1. Asked to introduce my self. after that qsked me few coding question on tree and BST, querie question on SQL and in deep OOPS related concepts
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It consisted mcq's based on C++ concepts and aptitude questions.

Q1. What is Inheritance, polymorphism, virtual constructor..etc
Ans. 
Inheritance is a mechanism in OOP where a class inherits properties and behaviors from another class. Polymorphism allows objects of different classes to be treated as objects of a common superclass. Virtual constructor is a constructor that can be overridden in a derived class.
• Inheritance allows a class to inherit properties and behaviors from another class.

• Polymorphism enables objects of different classes to be treat...read more
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Q1. Introduce yourself
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Q2. Why you want to join Huawei
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2 Coding Questions. Easy- medium level questions.

Q1. 1. Program to find a perfect Number 2. Sql query on joins
Ans. 
Program to find a perfect number and SQL query on joins.
• A perfect number is a positive integer that is equal to the sum of its proper divisors.

• To find a perfect number, iterate through all numbers and check if the sum of its divisors is equal to the number itself.

• SQL joins are used to combine data from two or more tables based on a related column.

• Common types of joins include inner join, left join, right join, and full
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