CME Group Project Lead Interview Questions and Answers for Experienced

HANA is an in-memory database and application development platform developed by SAP.

• HANA stands for High-Performance Analytic Appliance.

• It allows real-time processing of large amounts of data.

• It can be used for data warehousing, analytics, and application development.

• HANA is used by businesses to gain insights from their data and make better decisions.

• Examples of companies using HANA include Coca-Cola, Nestle, and Merc

Answers to questions related to Docker, AWS firewall types, and ELK Stack

• To create a Docker file, start with a base image and add necessary dependencies and configurations

• AWS has two types of firewalls: Network ACLs and Security Groups

• ELK Stack is a combination of Elasticsearch, Logstash, and Kibana used for log management and analysis

An abstract class is a class that cannot be instantiated and is used as a base class for other classes.

• An abstract class can have abstract methods that must be implemented by its subclasses.

• Abstract classes can have non-abstract methods and fields.

• An abstract class can be used to define a common interface for a group of related classes.

• Example: Animal is an abstract class and Dog, Cat, and Bird are its subclasses.

• Examp...read more

JMS and queues can be configured by defining connection factories, destinations, and message listeners.

• Define a connection factory for the JMS provider

• Define a destination (queue or topic) for sending and receiving messages

• Configure message listeners to receive and process messages

• Example: In Apache ActiveMQ, create a connection factory and queue using the web console or configuration files

• Example: In Spring Boot, conf...read more

Thread dump can be taken using various tools and commands.

• Using jstack command in Java

• Using kill -3 command in Unix/Linux

• Using VisualVM tool

• Using Eclipse MAT tool

• Thread dump can help in identifying thread deadlock and performance issues