Ericsson 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. 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
Ans. 
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. English speaking test
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Q2. Product knowledge question answers
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Q3. Previous work experience
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It was a combination of coding and aptitude test. The test had four section and each section had it's time limit.

Q1. The interviewer asked me question based on my resume. He also asked me question related to DBMS, OS & DSA.
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Q2. Define polymorphism.
Ans. 
Polymorphism is the ability of an object to take on many forms.
• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• It can be achieved through method overloading or method overriding.

• For example, a parent class Animal can have child classes like Dog, Cat, and Bird, each with their own unique implementation of the method 'makeSound'.
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Q3. Difference between SQL & NoSQL.
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SQL is a relational database management system, while NoSQL is a non-relational database management system.
• SQL databases use structured query language for defining and manipulating the data.

• NoSQL databases are schema-less and use various data models like key-value, document, columnar, or graph.

• SQL databases are suitable for complex queries and transactions.

• NoSQL databases are horizontally scalable and provide high perf...read more
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Q1. It was a managerial round.
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Q1. It asked me some situational based questions.
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Computer science related MCQs

Q1. Coding questions on basic concepts.
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Q1. Data Structures and Algorithms
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Q1. Some technical and resume based questions.
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Q1. Why I want to join the company and feedback on interview process.
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Q1. Why are you looking for a change?
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Q2. Why should we hire you?
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Q3. Tell me about yourself.
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