Google Exam Professional Cloud Developer Topic 14 Question 29 Discussion

Actual exam question for Google's Professional Cloud Developer exam

Question #: 29
Topic #: 14

You are parsing a log file that contains three columns: a timestamp, an account number (a string), and a

transaction amount (a number). You want to calculate the sum of all transaction amounts for each unique account number efficiently.

Which data structure should you use?

AA linked list

BA hash table

CA two-dimensional array

DA comma-delimited string

Show Suggested Answer

Suggested Answer: B

by Devora at May 06, 2022, 05:53 PM

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