Application Architectures and Development Lifecycle DSE Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   What is a common limitation of a monolithic application architecture?

   • AIt cannot be scaled horizontally at all.
   • BIt is impossible to use multiple programming languages within the same application.
   • CA small change to one module requires rebuilding and redeploying the entire application.
   • DIt requires a message broker for all inter-module communication.
   Reveal Solution Discussion Select an answer first
2. 22expert · hard

   A team is adopting agile practices but is struggling with security reviews that are performed only at the end of each release. The security team wants to embed security into every sprint without slowing down development. Which approach best satisfies both the agile and security teams?

   • AKeep security reviews at the end of each release to avoid disrupting sprints.
   • BCreate a separate security sprint after every third development sprint.
   • CHave the security team audit the code after deployment.
   • DAdd security tasks to the sprint backlog and include security testing in the definition of done.
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   In an event-driven architecture, what is the role of an event producer?

   • ATo store events permanently in a database.
   • BTo filter events before they reach consumers.
   • CTo consume events and perform actions in response.
   • DTo detect or generate events and publish them to the event channel.
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5. 24application · medium

   A team is building a new authentication service. They want to verify that individual functions work correctly, that the service integrates properly with the user database, and that the entire system meets business requirements. Which testing sequence should they follow in their CI/CD pipeline?

   • ARun unit tests and acceptance tests only, skipping integration and system tests.
   • BRun only integration tests and system tests, skipping unit tests.
   • CRun acceptance tests first, then unit tests, then integration tests.
   • DRun unit tests, then integration tests, then system tests, and finally acceptance tests.
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   In a typical layered architecture, which layer is responsible for handling user interface and user interaction?

   • AInfrastructure layer
   • BData access layer
   • CBusiness logic layer
   • DPresentation layer
   Reveal Solution Discussion Select an answer first