1
Single choice~120s
A codebase has 90 percent test coverage yet defects reach production regularly. What does this suggest about the tests?
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10 questions in Software Development and Design
D1_SWDEV
Software Development and Design
10 questions in topicData formats and parsing, Python data structures and error handling, code organization and dependency management, design principles and patterns, Git workflow including branching, merging and history, and testing practice.
2
Single choice~120s
A shared utility module is modified and three unrelated services break. What does this reveal about the design?
3
Single choice~120s
A team adopts a rule that every function must be under ten lines, and the codebase becomes harder to follow. What went wrong?
4
Single choice~120s
An exception handler logs the error and continues, and a data corruption issue goes unnoticed for weeks. What is the design flaw?
5
Single choice~120s
A dependency is upgraded to fix a security advisory and the application breaks in a subtle way. What practice would have surfaced this before release?
6
Single choice~120s
A repository's history contains a credential in an old commit. The credential has been removed from the current code. What is the correct response?
7
Single choice~120s
A team uses long-lived feature branches and merges become progressively more painful. What is the underlying cause?
8
Single choice~120s
An API client library is designed so callers must call three methods in a specific order or it misbehaves. What design weakness is this?
9
Single choice~120s
A script processes a large API response by loading it entirely into memory, and fails on a larger dataset. What approach addresses this structurally?
10
Single choice~120s
A codebase mixes tabs and spaces and a Python script fails only on certain machines. What is the root problem and the durable fix?