Q131. How do you write a good user story with acceptance criteria?
A user story is a short statement of a need from the user's perspective, usually in the form: as a role, I want a capability, so that I get a benefit. The value is in the...
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Q132. How do you estimate work using story points?
Story points estimate relative size, not time. They combine effort, complexity and uncertainty compared with other backlog items. I use planning poker. The team discusses...
Q133. Walk me through how you run product discovery.
Discovery is how we reduce risk before committing to build. I treat it as continuous, not a phase. I start with the problem and the target customer, and I review existing...
Q134. What is the difference between formative and summative assessment?
Formative assessment happens during learning and is used to adjust teaching. It is low stakes and frequent: questioning, mini whiteboards, exit tickets, quick quizzes and...
Q135. Tell me about a time you turned a dissatisfied customer into a loyal one.
A customer once received a delayed order that missed a critical deadline and was understandably furious. I called rather than emailed, apologised clearly and took ownersh...
Q136. What is working capital and why does it matter?
Working capital is current assets minus current liabilities. It measures the short term liquidity available to run day to day operations. Current assets include cash, rec...
Q137. Explain the difference between organic reach and paid reach on social media.
Organic reach is the number of people who see your content without paid promotion. It comes from followers, shares and the platform's ranking algorithm, and it is essenti...
Q138. How do you build and manage a healthy sales pipeline?
I treat the pipeline as a leading indicator of revenue, so it has to be honest and current. Each week I review every open deal on three dimensions: stage accuracy, a next...
Q139. What makes a good unit test?
A good unit test is fast, deterministic, isolated and focused on behaviour. Characteristics: - Tests one behaviour, with a clear name such as `rejects_negative_amount`, s...
Q140. What is an abstract syntax tree?
An abstract syntax tree, AST, is a tree representation of a program's structure. The parser produces it after checking that the token stream matches the grammar. It is ca...