Infosys Test Engineer Interview Questions, Process, and Tips

Different transformations in big data testing include data mapping, data conversion, data aggregation, and data filtering.

• Data mapping involves mapping data from one format to another

• Data conversion involves converting data from one type to another

• Data aggregation involves combining data from multiple sources

• Data filtering involves selecting specific data based on certain criteria

• Examples include transforming data from...read more

Increment load is a gradual increase in user traffic while full load is the maximum user traffic.

• Increment load gradually increases user traffic

• Full load is the maximum user traffic

• Increment load helps identify system capacity

• Full load tests system performance under stress

• Examples: Increment load - adding 100 users every 5 minutes, Full load - adding 1000 users at once

Answer to a question on getting lines above and below a string in Test Engineering.

• Use file handling to read the file line by line

• Check if the current line contains the string

• If yes, store the previous and next lines in variables

• Repeat until end of file is reached

• Return the stored lines