Virtusa Software Services Architect Interview Questions and Answers

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

Terraform is an open-source infrastructure as code software tool that allows users to define and provision a data center infrastructure.

• Terraform is used to automate the creation, modification, and deletion of infrastructure resources.

• It supports multiple cloud providers such as AWS, Azure, and Google Cloud Platform.

• Terraform uses a declarative language called HashiCorp Configuration Language (HCL) to define infrastruc...read more

Performance improvement can be managed through setting clear goals, providing feedback, and offering training and development opportunities.

• Set specific and measurable goals for employees to work towards

• Provide regular feedback and coaching to help employees improve

• Offer training and development opportunities to enhance skills and knowledge

• Recognize and reward employees for their achievements

• Create a culture of continu...read more

Steps to follow for MSTR to Power BI migration

• Assess the current MSTR environment and identify the reports and dashboards to be migrated

• Map the data sources and connections used in MSTR to Power BI equivalents

• Recreate the reports and dashboards in Power BI using the mapped data sources

• Test the migrated reports and dashboards to ensure accuracy and functionality

• Train users on the new Power BI environment and retire the