Q1. Explain the difference between cash flow and profit.
Profit is an accounting measure of performance over a period, while cash flow is the movement of actual money. Profit follows accrual accounting: revenue is recognised wh...
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Q2. Explain providers and the terraform init workflow.
A provider is a plugin that lets Terraform talk to an API, such as AWS, Azure, or Kubernetes. - Declare required providers and versions so builds are reproducible. - terr...
Q3. What is the difference between Scrum and Kanban?
Both are agile approaches, but they differ in structure and flow. Scrum works in fixed length sprints with a committed Sprint Goal and a defined set of events and roles: ...
Q4. What is the difference between terraform plan and apply?
plan is a dry run; apply makes changes. - terraform plan refreshes state, compares configuration to reality, and shows what will be created, updated, or destroyed. It doe...
Q5. How would you build a rolling 12 month cash flow forecast?
I build the forecast from drivers, not from a flat growth assumption. First I establish the opening cash balance, then project inflows and outflows month by month for the...
Q6. How does an orchestration tool like Airflow schedule data pipelines?
Airflow models a workflow as a DAG: a directed acyclic graph of tasks with dependencies. A scheduler parses DAG files, creates DAG runs per schedule interval, and queues ...
Q7. When should you use guard instead of if let?
Both unwrap optionals, but `guard` is designed for early exit and keeps the happy path unindented. Its `else` branch must exit the current scope with `return`, `break`, `...