Q1. What are the three main financial statements and how do they connect?
The three statements are the income statement, the balance sheet and the cash flow statement, and they are linked. The income statement shows revenue and expenses over a ...
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Q2. Explain IAM roles and service accounts in GCP.
GCP IAM binds principals to roles on resources. A service account is a special identity for workloads rather than humans. - Principals: users, groups, service accounts, d...
Q3. A shop offers a 20% discount, then an additional 10% off the reduced price. What is the effective discount?
Successive discounts multiply, they do not add. Price 100 -> after 20% = 80. After an additional 10% on 80 -> 80 x 0.9 = 72. Effective discount = 100 - 72 = 28%. Formula ...
Q4. Explain the difference between accrual and cash accounting.
Cash accounting records transactions only when money changes hands. Accrual accounting records revenue when it is earned and expenses when they are incurred, regardless o...
Q5. Tell me about a time you made a mistake.
Own it fully and show the learning. Use STAR but with the emphasis on accountability and change. Example: "I shipped a database migration without a rollback plan and a mi...
Q6. How does Python memory management work?
CPython combines: - Reference counting for immediate reclamation. Every object tracks how many references point to it; when the count hits zero it is freed. - A cyclic ga...
Q7. What is your approach to negotiating a discount request?
My starting point is that a discount is a trade, never a gift. When a buyer asks for a lower price I first understand the reason. Is it budget reality, a competing quote,...
Q8. What is the difference between count and for_each?
Both create multiple instances of a resource, but they track them differently. - count takes a number and identifies instances by index, such as resource[0] and resource[...
Q9. What is a GCP service account key and why should you avoid it?
A service account key is a downloadable JSON file containing a private key that lets any holder authenticate as that service account. It is long-lived and does not expire...