Ericsson Solution Architect Interview Questions and Answers

Q1. Call flows of Charging systems
Ans. 
Call flows of Charging systems involve the process of charging customers for services rendered.
• Call initiation by customer

• Validation of customer details

• Calculation of charges based on usage

• Application of discounts or promotions

• Payment processing

• Confirmation of successful payment
Answered by AI
Add your answer
Q2. Functional overview/Architecture of Charging system
Ans. 
Charging system architecture involves components like charging stations, billing systems, and user interfaces.
• Charging system typically consists of charging stations where users can plug in their devices.

• Billing systems track usage and calculate charges based on factors like time and energy consumption.

• User interfaces allow users to monitor charging status and make payments.

• Integration with payment gateways for secure ...read more
Answered by AI
Add your answer

R1: Past project
R2: Coding Round
R3: interview with tech head

Q1. How you will fix the volume attachment issue for instance which is in pending state.
Ans. 
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 the iss...read more
Answered by AI
Add your answer
Q2. Describe affinity and antiaffinity
Ans. 
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 apart to ...read more
Answered by AI
Add your answer
Q3. Describe services in kubernetes(node, clusterIp, and load balancer)
Ans. 
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.

• LoadBal...read more
Answered by AI
Add your answer
Q4. What is service account in kubernetes
Ans. 
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 account...read more
Answered by AI
Add your answer
Q5. How to scale in and scale out replicaset
Ans. 
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.

• Consider u...read more
Answered by AI
Add your answer

Q1. Cloud deployment flow
Add your answer

Q1. Behavioral interview
Add your answer

Q1. Salary discussed
Add your answer