Self Employed Architect Interview Questions and Answers

The project involved implementing a cloud solution for a client to improve scalability and efficiency.

• Designed and implemented cloud infrastructure using AWS services

• Migrated on-premise applications to the cloud for improved performance

• Implemented automation for deployment and scaling of resources

• Provided training and support to client's IT team for managing the cloud environment

To merge two data sets, use a common key to combine the rows from each set into a single data set.

• Identify a common key in both data sets to merge on

• Use a join operation (e.g. inner join, outer join) to combine the data sets based on the common key

• Choose the appropriate join type based on the desired outcome (e.g. keep all rows from both sets, only matching rows, etc.)

Data cleaning is the process of identifying and correcting errors or inconsistencies in data to improve its quality and accuracy.

• Removing duplicate entries

• Correcting spelling errors

• Handling missing values

• Standardizing data formats

• Identifying and removing outliers