Infosys Business Technology Analyst Interview Questions, Process, and Tips

If a microservice goes down in microservices architecture, it can affect the entire system.

• Other microservices may not be able to communicate with the downed microservice.

• The system may experience latency or errors.

• Proper monitoring and redundancy can help mitigate the impact of a downed microservice.

Kubernetes service is a way to expose a set of pods as a network service.

• Kubernetes service provides a stable IP address and DNS name for a set of pods.

• It allows load balancing traffic across multiple pods.

• There are four types of Kubernetes services: ClusterIP, NodePort, LoadBalancer, and ExternalName.

• Example: A web application running on multiple pods can be exposed as a service using Kubernetes service.

Hashtable doesn't allow nulls because it uses the null value as a marker for empty slots.

• Hashtable uses null as a marker for empty slots, so allowing null values would cause ambiguity.

• Null keys are also not allowed in Hashtable for the same reason.

• To store null values, use a different data structure like HashMap or ConcurrentHashMap.

The world is moving towards Artificial Intelligence and Machine Learning.

• AI and ML are being used in various industries such as healthcare, finance, and retail.

• AI-powered virtual assistants like Siri and Alexa are becoming more popular.

• Self-driving cars and drones are being developed using AI and ML.

• AI and ML are also being used for fraud detection and cybersecurity.

• Big tech companies like Google, Amazon, and Microsoft...read more