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Program SC4MD Practice Exam
Question 1. In a Scrum team that develops both iOS and Android apps, which role is most likely to be added to the traditional Scrum framework? A) Product Owner B) Scrum Master C) Dedicated UX/UI Designer D) Development Team Member Answer: C Explanation: Mobile projects often require a specialized UX/UI Designer to address platform‑specific design guidelines, complementing the traditional Scrum roles. Question 2. When calculating velocity for a multi‑platform mobile team, which practice yields the most accurate measurement? A) Sum story points from iOS and Android separately and add them together. B) Use a single shared velocity metric based on story points regardless of platform. C) Convert story points to ideal days for each platform before summing. D) Track velocity only for the platform with the highest workload. Answer: A Explanation: Separating velocity per platform and then aggregating accounts for differing effort estimates and helps identify imbalances.
Program SC4MD Practice Exam
Question 3. A Sprint is planned for two weeks, but an upcoming iOS SDK release is scheduled for the third day. How should the Scrum Team handle this constraint? A) Extend the Sprint by one week. B) Reduce the Sprint scope to accommodate the SDK integration. C) Ignore the SDK release and proceed as planned. D) Split the Sprint into two separate Sprints, one for each platform. Answer: B Explanation: Adjusting the Sprint scope ensures the team can integrate the SDK without compromising the Sprint Goal. Question 4. Which element must be included in a mobile‑specific Definition of Done (DoD)? A) All unit tests pass on the developer’s workstation. B) Performance testing on at least one target device. C) Documentation is stored in a shared folder. D) Code is merged into the main branch. Answer: B Explanation: Mobile DoD must verify performance on real devices to ensure the app meets user expectations. Question 5. The Increment in a mobile Scrum project is defined as:
Program SC4MD Practice Exam
C) Upcoming marketing campaigns. D) Detailed UI design decisions. Answer: B Explanation: The Daily Scrum should surface dependencies and integration issues that affect both iOS and Android work. Question 8. In a Sprint Review for a mobile product, the best way to demonstrate completed work is: A) Showing screenshots in a PowerPoint deck. B) Running the app on target devices or simulators. C) Reading the user stories aloud. D) Displaying the code repository diff. Answer: B Explanation: Demonstrating the app on real devices provides authentic feedback on UX and performance. Question 9. A Scrum Retrospective for a mobile team should most likely address which of the following topics? A) The color scheme of the app’s splash screen. B) Frequent build failures due to missing certificates. C. The number of followers on the company’s social media. D. The budget allocated for advertising.
Program SC4MD Practice Exam
Answer: B Explanation: Build failures are a process issue that impacts delivery and are suitable for retrospection. Question 10. When deciding which mobile platform to prioritize, the Scrum Product Owner should consider: A) The developer’s favorite programming language. B) Market share, target demographic, and development cost. C) The number of emojis supported on each platform. D) The length of the platform’s name. Answer: B Explanation: These factors directly influence business value and feasibility. Question 11. The Minimum Viable Product (MVP) for a mobile app should contain: A) All planned features to showcase the full vision. B) Only the features necessary to test core hypotheses. C) The most visually appealing screens. D) The complete set of analytics integrations. Answer: B Explanation: An MVP includes the smallest set of features that can validate assumptions and gather early user feedback.
Program SC4MD Practice Exam
B) Cost Per Install (CPI). C) Crash rate. D) Average download size. Answer: A Explanation: DAU measures how many users interact with the app daily, a direct engagement indicator. Question 15. D30 retention rate refers to: A) The percentage of users who return 30 days after first install. B) The number of users who uninstall within 30 days. C) The average session length on day 30. D) The number of daily active users on the 30th day of the month. Answer: A Explanation: D30 retention tracks long‑term user stickiness after a month. Question 16. Average Revenue Per User (ARPU) is calculated by: A) Dividing total revenue by total number of installs. B) Multiplying CPI by retention rate. C) Adding all in‑app purchase amounts. D) Counting the number of ads shown per user.
Program SC4MD Practice Exam
Answer: A Explanation: ARPU = total revenue / total users, giving an average revenue figure per user. Question 17. When running an A/B test on a new onboarding flow, the Scrum Team should: A) Release the new flow to all users immediately. B) Toggle the feature for a randomized subset of users and compare metrics. C) Only test on simulators. D) Measure success solely by the number of screens. Answer: B Explanation: Randomized feature toggling allows controlled comparison of user behavior between variants. Question 18. App Store Optimization (ASO) primarily aims to: A) Reduce the app’s binary size. B) Increase visibility and conversion in the store listings. C) Speed up the CI/CD pipeline. D. Improve battery consumption. Answer: B Explanation: ASO focuses on improving search ranking, click‑through, and conversion rates in the store.
Program SC4MD Practice Exam
B) Support for single‑hand operation and limited attention span. C) Integration with desktop‑only peripherals. D) Mandatory use of a stylus. Answer: B Explanation: Mobile usage contexts involve brief, one‑hand interactions and frequent interruptions. Question 22. Which non‑functional requirement (NFR) is most critical for battery‑sensitive apps? A) Launch time under 2 seconds. B) Minimal background CPU usage. C) Support for high‑resolution graphics. D) Use of a dark theme. Answer: B Explanation: Reducing background CPU usage directly conserves battery life. Question 23. A mobile app must comply with A11Y standards. What does this refer to? A) Accessibility for users with disabilities. B) Analytics integration. C) Automatic update mechanism.
Program SC4MD Practice Exam
D) Android version compatibility. Answer: A Explanation: A11Y is the abbreviation for accessibility, ensuring the app is usable by people with impairments. Question 24. Which security practice is essential for storing sensitive data on a mobile device? A) Plain‑text storage in SharedPreferences. B) Encryption at rest using platform‑provided keystore. C) Storing data in the app’s cache directory. D) Relying on the user to remember passwords. Answer: B Explanation: Encrypting data at rest protects it from unauthorized access if the device is compromised. Question 25. When defining performance NFRs, an appropriate launch‑time target for a consumer‑grade mobile app is: A) Under 5 seconds. B) Under 500 milliseconds. C) Under 2 seconds. D) Under 10 seconds. Answer: C
Program SC4MD Practice Exam
Question 28. High‑fidelity prototypes are most valuable during: A) Sprint Review. B) Backlog Refinement. C) Daily Scrum. D) Release Planning. Answer: B Explanation: Prototypes help refine user stories and acceptance criteria during backlog grooming. Question 29. Integrating a third‑party analytics SDK introduces which type of backlog item? A) Technical spike to evaluate version compatibility. B) Marketing campaign. C) UI redesign. D) Legal compliance document. Answer: A Explanation: A technical spike investigates integration challenges and version dependencies. Question 30. Supporting offline mode typically requires: A) Real‑time server communication.
Program SC4MD Practice Exam
B) Local caching of essential data and sync mechanisms. C) Disabling all network calls permanently. D) Only using cloud‑based storage. Answer: B Explanation: Offline support relies on local data storage and later synchronization when connectivity returns. Question 31. In a mobile CI/CD pipeline, the most critical automated test for UI stability is: A) Unit test of business logic. B) Static code analysis. C) Automated UI test on real devices or emulators. D) Database schema migration test. Answer: C Explanation: UI tests on actual devices catch platform‑specific rendering and interaction issues. Question 32. Beta testing tools such as TestFlight and Firebase App Distribution primarily help the Scrum Team to: A) Reduce code size. B) Collect real‑world user feedback before public release. C. Automate code merging.
Program SC4MD Practice Exam
Question 35. Semantic Versioning for a mobile app would represent a breaking change with: A) Incrementing the patch number. B) Incrementing the minor number. C) Incrementing the major number. D. Adding a build metadata tag only. Answer: C Explanation: A major version bump signals incompatible API or behavior changes. Question 36. When a new iOS major release is announced, the Scrum Team should: A) Immediately ship the current app version. B) Create a technical spike to explore required code changes. C. Cancel all other work until the new OS is released. D. Ignore it until user complaints arise. Answer: B Explanation: A spike helps assess effort and risks associated with adopting new OS features. Question 37. Crashlytics provides:
Program SC4MD Practice Exam
A) Real‑time crash reports with stack traces and user impact data. B. Automated UI design suggestions. C. A/B testing framework. D. In‑app purchase analytics. Answer: A Explanation: Crashlytics specializes in crash monitoring and diagnostics. Question 38. To prioritize crash fixes, the Product Owner should consider: A) The number of lines of code affected. B) Frequency of occurrence and number of affected users. C. The difficulty of reproducing the crash. D. The aesthetic impact of the crash screen. Answer: B Explanation: High‑frequency crashes affecting many users have the greatest business impact. Question 39. In‑app messaging that solicits user feedback is best classified as: A) A marketing campaign. B) A Product Backlog Item for feedback integration. C. A technical debt item.
Program SC4MD Practice Exam
Explanation: Larger binaries can deter downloads; tracking conversion versus size reveals this effect. Question 42. A “spike” in Scrum terminology is used to: A. Increase the team’s velocity. B. Investigate a technical or design uncertainty. C. Add more story points to the Sprint. D. Reduce the Sprint length. Answer: B Explanation: Spikes are time‑boxed explorations to reduce risk or gather information. Question 43. Which of the following is a valid reason to split a user story in a mobile backlog? A. The story spans both UI design and backend API changes. B. The story is too small to estimate. C. The story references a third‑party SDK. D. The story is already completed. Answer: A Explanation: Splitting cross‑functional work improves clarity and enables parallel development.
Program SC4MD Practice Exam
Question 44. During Sprint Planning, the team should estimate effort for iOS and Android tasks: A. Using separate story point scales for each platform. B. Using the same scale but noting platform in the description. C. Ignoring platform differences. D. Estimating only the platform with the larger team. Answer: B Explanation: A single scale maintains consistency, while platform tags highlight differences. Question 45. Which of the following best describes “technical debt” in the context of mobile SDK upgrades? A. The cost of purchasing new devices for testing. B. The extra effort required to maintain outdated SDKs. C. The number of user stories completed per Sprint. D. The time spent on UI design. Answer: B Explanation: Maintaining old SDKs adds hidden effort and risk, constituting technical debt. Question 46. When a new feature requires camera access, the Scrum Team must add which non‑functional requirement?
