TCS Gcp Data Engineer Interview Questions and Answers

Python code to trigger a dataflow job in cloud function

• Use the googleapiclient library to interact with the Dataflow API

• Authenticate using service account credentials

• Submit a job to Dataflow using the projects.locations.templates.launch endpoint

Recursion function to calculate factorial of a number

• Define a function that takes an integer as input

• Base case: if input is 0, return 1

• Recursive case: return input multiplied by factorial of input-1

• Example: factorial(5) = 5 * factorial(4) = 5 * 4 * factorial(3) = ... = 5 * 4 * 3 * 2 * 1 = 120

I chose TCS for its reputation, global presence, diverse opportunities, and focus on innovation.

• TCS is a renowned company with a strong reputation in the IT industry

• TCS has a global presence with offices in multiple countries, providing opportunities for international exposure

• TCS offers diverse opportunities for career growth and development in various domains

• TCS is known for its focus on innovation and cutting-edge technologies, which aligns with my career goals

Use Python to create a GCS bucket

• Import the necessary libraries like google.cloud.storage

• Authenticate using service account credentials

• Use the library functions to create a new bucket

Check if a string is a palindrome or not

• Compare the string with its reverse to check for palindrome

• Ignore spaces and punctuation marks when comparing

• Examples: 'racecar' is a palindrome, 'hello' is not