D. D. Consultants Principal Architect Interview Questions and Answers

Container orchestration involves managing and automating the deployment, scaling, and operation of containers.

• Use a container orchestration tool like Kubernetes, Docker Swarm, or Apache Mesos

• Define the desired state of your containers in a configuration file

• Monitor and manage container health and resource usage

• Automate scaling and load balancing

• Ensure high availability and fault tolerance

• Implement security measures

• Use ...read more

Designing test data content for different flavors of DB

• Identify the data types and structures for each DB flavor

• Create test data that covers all possible scenarios and edge cases

• Ensure data consistency and accuracy across all DB flavors

• Consider performance and scalability factors for distributed DBs

• Include mainframe-specific data such as EBCDIC encoding and packed decimal formats

New technologies of DBMS are constantly emerging to improve data management and analysis.

• New SQL databases like CockroachDB and TiDB are gaining popularity for their scalability and distributed architecture.

• NoSQL databases like MongoDB and Cassandra are widely used for their flexibility and ability to handle unstructured data.

• Graph databases like Neo4j and OrientDB are becoming popular for their ability to handle compl...read more

Factors considered while choosing automation tool

• Compatibility with the technology stack

• Ease of use and learning curve

• Scalability and flexibility

• Integration with other tools

• Cost and licensing

• Support and community

• Reporting and analytics capabilities

A tool is better than another if it is more efficient, effective, and user-friendly.

• Efficiency: A tool that can perform a task faster and with less effort is better.

• Effectiveness: A tool that can produce better results is better.

• User-friendliness: A tool that is easy to use and understand is better.

• Examples: A hammer is better than a rock for driving nails. A power drill is better than a manual screwdriver for drilling