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Ericsson Interview Questions and Answers
322 Interview questions
Disaster Recovery (DR) is a strategy for restoring IT systems and data after a disruptive event.
DR involves planning and preparation to ensure business continuity.
It includes backup solutions, such as cloud storage or offsite data centers.
Testing DR plans regularly is crucial to ensure effectiveness.
Examples of DR strategies include failover systems and data replication.
SA stands for Service Area, crucial for defining network coverage in RAN integration.
SA refers to the geographical area where a network service is available.
In RAN, SA helps in planning and optimizing network resources.
Example: A mobile operator may define SA to ensure coverage in urban areas.
SA can impact user experience by determining signal strength and quality.
NSA stands for Non-Standalone Architecture, a 5G network deployment model that utilizes existing 4G infrastructure.
NSA allows for quicker deployment of 5G services by leveraging existing 4G LTE networks.
In NSA, the control plane is handled by the 4G network while the user plane can utilize 5G.
This architecture is beneficial for operators to provide 5G services without a complete overhaul of their infrastructure.
An...
To resolve a pending volume attachment issue, check instance status, volume state, and logs for errors.
Verify the instance status: Ensure the instance is running and not in a stopped or terminated state.
Check volume state: Use cloud provider tools to confirm the volume is available and not in an error state.
Review logs: Look at the instance and volume logs for any error messages that could indicate the cause of th...
Kubernetes services enable communication between pods and external traffic management through various types like NodePort, ClusterIP, and LoadBalancer.
NodePort: Exposes a service on a static port on each node's IP, allowing external access. Example: Accessing a service on port 30000.
ClusterIP: The default service type, it exposes the service on a cluster-internal IP, making it accessible only within the cluster.
Lo...
A service account in Kubernetes provides an identity for processes running in a pod to interact with the Kubernetes API.
Service accounts are used to manage permissions for pods and their interactions with the Kubernetes API.
Each service account is associated with a set of credentials (token) that pods can use for authentication.
By default, Kubernetes creates a 'default' service account in each namespace.
Service ac...
Ericsson HR Interview Questions
Affinity and antiaffinity are concepts in resource allocation, determining how resources are grouped or separated in systems.
Affinity refers to the tendency of similar resources to be placed together, enhancing performance and reducing latency.
Example: In a cloud environment, placing web servers that handle similar traffic patterns on the same physical host.
Antiaffinity ensures that certain resources are kept apar...
Scaling in and out a ReplicaSet involves adjusting the number of pod replicas to manage load and resource utilization.
Use 'kubectl scale' command to increase or decrease replicas, e.g., 'kubectl scale rs my-replicaset --replicas=5'.
Monitor application performance and resource usage to determine when to scale in or out.
Implement Horizontal Pod Autoscaler (HPA) for automatic scaling based on CPU/memory metrics.
Consi...
Customers may cite various reasons for delaying payment on overdue invoices, impacting cash flow and relationships.
Financial difficulties: Customers may be facing cash flow issues, making it hard to pay bills on time. For example, a small business may have unexpected expenses.
Disputed charges: Customers might believe there are errors in the invoice, such as incorrect amounts or services not rendered. For instance,...
The order to cash cycle is the end-to-end process of receiving and fulfilling customer orders, from order placement to payment collection.
Order Placement: Customer places an order through various channels (e.g., online, phone).
Order Processing: The order is confirmed, and inventory is checked for availability.
Order Fulfillment: Products are picked, packed, and shipped to the customer.
Invoicing: An invoice is gener...
Ericsson Interview Experiences
442 interviews found
Anonymous
Selected
I applied via LinkedIn and was interviewed in Mar 2024. There was 1 interview round.
(3 Questions)
- Q1. Hashmap internal working. Dancing doll algo. Modi algo And other questions related to map and sap
- Q2. Awesome experience.
- Q3. Veey good company Interview
Interview Preparation Tips
shipra jain
Selected
I appeared for an interview in Feb 2025.
(2 Questions)
- Q1. Related to microservices design patterns. Stangler fig, saga, circuit breaker
- Q2. What are the basics of Angular, including how to debug Angular code and the functionality of components?
- Ans.
Angular is a popular front-end framework for building web applications, with components being the building blocks of Angular applications.
Angular is a front-end framework developed by Google for building web applications.
Components are the basic building blocks of Angular applications, each representing a part of the user interface.
To debug Angular code, developers can use tools like Chrome DevTools or Angular's built-...
(1 Question)
- Q1. Angular , security, java , streams, design patterns, basic coding example, time complexity, spring boot
(2 Questions)
- Q1. Why do you want to join this organization?
- Q2. Other behavoural questions
(3 Questions)
- Q1. Tell me about yourself.
- Q2. Why do you want to join this organization?
- Q3. What strategies can be employed to motivate your team effectively?
- Ans.
Effective team motivation strategies include setting clear goals, providing recognition, fostering open communication, offering opportunities for growth, and leading by example.
Set clear and achievable goals for the team to work towards
Provide regular recognition and rewards for team members' hard work and achievements
Foster open communication and encourage feedback from team members
Offer opportunities for growth and d...
Sathyanarayanan Praburam
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. All linux/Shell related questions
- Q2. K8's,Jenkins CI/CD,Git,Ansible
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Nov 2024. There were 4 interview rounds.
English, Quant & Reasoning- 3 section, each section 15 que, Total 45 minutes & 45 questions, cut off for each section
(2 Questions)
- Q1. Java What is JVM,JRE,JDK? what is the difference between class and instance variable in java? what is string Pool? write a code in java(prefer a good standard question) Web development if you have inter...
- Ans.
To build a web application, I would use a combination of front-end technologies like HTML, CSS, and JavaScript, along with back-end technologies like Node.js and MongoDB.
Use HTML for structuring the content of the web pages
Use CSS for styling the web pages and making them visually appealing
Use JavaScript for adding interactivity to the web pages and handling user input
Use Node.js for server-side scripting and handling ...
- Q2. If you have azure certification what is azure, what is Azure Blob Storage, What is ARM, what is horizontal Scaling?
- Ans.
Azure is a cloud computing platform by Microsoft. Azure Blob Storage is a service for storing large amounts of unstructured data. ARM stands for Azure Resource Manager, used for managing resources in Azure. Horizontal scaling is increasing the number of instances of a service to distribute load.
Azure is a cloud computing platform by Microsoft
Azure Blob Storage is a service for storing large amounts of unstructured data
...
(2 Questions)
- Q1. Why cse? explain a project (they might ask about a project in your resume)
- Q2. How you solved the problems that you have faced while working on projects?
- Ans.
I approach problems by breaking them down into smaller parts, analyzing root causes, seeking input from team members, and implementing solutions systematically.
Identify the root cause of the problem
Break down the problem into smaller parts
Seek input from team members for different perspectives
Implement solutions systematically
Learn from the experience to prevent similar issues in the future
(1 Question)
- Q1. Introduction Family Background Do you have any placement/internship offers in your hand? if so, why Ericsson At last, they will tell you about stipend, role
- Ans.
Yes, I have internship offers from Ericsson due to their reputation for innovation and cutting-edge technology.
I have received internship offers from Ericsson because of their reputation for innovation and cutting-edge technology.
I am excited about the opportunity to work with a global leader in telecommunications.
I believe that interning at Ericsson will provide me with valuable experience and skills that will benefit...
Interview Preparation Tips
As it is a networking company, concentrate on computer networks(they might ask / might not)
ravindar
Selected
I appeared for an interview in Feb 2025.
(2 Questions)
- Q1. Call flow 4G 5G
- Q2. Troubleshooting of subscriber issues
- Ans.
Troubleshooting subscriber issues involves identifying and resolving network connectivity problems for individual users.
Gather information about the issue from the subscriber
Check network configurations and settings
Perform network tests to identify the source of the problem
Isolate the issue to determine if it is specific to the subscriber or a larger network problem
Implement solutions to resolve the problem and ensure ...
(2 Questions)
- Q1. PCRF AND CLOUD INFRASTRUCTURE
- Q2. Telecommunication knowledge
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed in Dec 2024. There was 1 interview round.
(5 Questions)
- Q1. I. M 22year old i eill 2year experience on telecommunications
- Q2. We have to better to better
- Q3. My favourite question suit pant but on winter
- Q4. My hobbies cricket basketball playing etc
- Q5. I love my mummy
Interview Preparation Tips
- Diploma
- Computer Skills
Selected
I appeared for an interview before Apr 2022, where I was asked the following questions.
- Q1. Linux,sql,mito,grafana
- Q2. Linux,postgress
- Q3. Monitoring ITIL PROCESS
Interview Preparation Tips
(2 Questions)
- Q1. About 5g Technology
- Q2. Process of Technology
- Ans.
The process of technology involves the development, implementation, and maintenance of tools, systems, and solutions to solve problems and improve efficiency.
Research and development to create new technologies
Testing and refining the technology to ensure functionality and reliability
Implementation of the technology in real-world settings
Maintenance and updates to keep the technology running smoothly
Continuous improveme...
(2 Questions)
- Q1. Current work detail
- Q2. How was working there
Selected
I applied via Approached by Company and was interviewed in Nov 2024. There was 1 interview round.
(4 Questions)
- Q1. 4g architect and interphase used?
- Q2. Regarding throughput and sinr degradation how to improve?
- Ans.
Improving throughput and SINR involves optimizing network conditions and configurations to enhance signal quality and data rates.
Optimize antenna placement to reduce interference and improve signal strength.
Implement MIMO (Multiple Input Multiple Output) technology to increase data throughput.
Use advanced modulation techniques like QAM (Quadrature Amplitude Modulation) to enhance data rates.
Reduce network congestion by...
- Q3. How to calculate PRB?
- Ans.
PRB can be calculated by dividing the total available bandwidth by the bandwidth per PRB.
Calculate total available bandwidth
Determine the bandwidth per PRB
Divide total available bandwidth by bandwidth per PRB to get the number of PRBs
- Q4. OSS kpi knowledge?
Interview Preparation Tips
Meghana
Selected
I applied via Campus Placement and was interviewed in Nov 2024. There were 2 interview rounds.
About time, work , pipes cisterns english questions
(5 Questions)
- Q1. Describe about linux
- Ans.
Linux is an open-source operating system based on Unix, known for its stability, security, and flexibility.
Linux is free and open-source, meaning anyone can modify and distribute it.
It is based on Unix, which is known for its stability and security.
Linux is highly customizable and can be used on a wide range of devices, from servers to smartphones.
Popular distributions of Linux include Ubuntu, Fedora, and CentOS.
- Q2. OOPs fundamentals
- Q3. CS FUNDAMENTALS
- Q4. Java coding for heap sort
- Ans.
Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure.
Create a max heap from the input array
Swap the root node with the last node and heapify the remaining nodes
Repeat the process until the heap is empty
- Q5. Projects discussion
(2 Questions)
- Q1. Option explict in vba
- Q2. How to retrieve data from sql
- Ans.
Retrieving data from SQL involves using SELECT statements to query databases for specific information.
Use the SELECT statement to specify the columns you want to retrieve. Example: SELECT name, age FROM users;
Use the WHERE clause to filter results based on conditions. Example: SELECT * FROM orders WHERE status = 'shipped';
Utilize JOINs to combine data from multiple tables. Example: SELECT users.name, orders.amount FROM...
(2 Questions)
- Q1. What is the use of calculate function in power bi
- Ans.
The CALCULATE function in Power BI modifies filter context to perform dynamic calculations on data.
Changes the context in which data is evaluated, allowing for more complex calculations.
Example: CALCULATE(SUM(Sales[Amount]), Sales[Region] = 'West') sums sales only for the West region.
Can be used with other DAX functions to create advanced metrics.
Useful for creating measures that respond to slicers and filters in repor...
- Q2. How to find second highest salary
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Ericsson Interview FAQs
Some of the top questions asked at the Ericsson interview -
The duration of Ericsson interview process can vary, but typically it takes about less than 2 weeks to complete.
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