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ARIZONA SOFTWARE DEVELOPER CERTIFICATION
QUESTIONS AND CORRECT ANSWERS (VERIFIED
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1. Which of the following are considered high-level programming languages? A. Assembly B. Python C. Java D. C Rationale: High-level languages are closer to human language and easier to read and write than low-level languages. Answer: B, C, D 2. Which of the following are principles of Object-Oriented Programming (OOP)? A. Encapsulation B. Polymorphism C. Inheritance D. Compilation Rationale: OOP is based on concepts like encapsulation, inheritance, and polymorphism, not compilation. Answer: A, B, C
3. Which data types are commonly used in most programming languages? A. Integer B. Boolean C. String D. Float Rationale: These data types represent numbers, text, true/false values, and decimal numbers. Answer: A, B, C, D 4. Which of the following are common software development methodologies? A. Agile B. Waterfall C. Scrum D. DevOps Rationale: Agile, Waterfall, Scrum, and DevOps are widely used approaches to software development. Answer: A, B, C, D 5. Which of the following are core components of a database system? A. Tables B. Queries
Rationale: Unit, integration, and regression tests verify software correctness. Assembly testing is not a standard type. Answer: A, B, C
8. Which of the following are commonly used version control systems? A. Git B. SVN C. Mercurial D. FTP Rationale: Git, SVN, and Mercurial are used to track changes in code. FTP is a file transfer protocol. Answer: A, B, C 9. Which of the following are programming paradigms? A. Procedural B. Functional C. Object-Oriented D. Sequential Rationale: Procedural, functional, and OOP are paradigms that define how software is structured. Sequential is not a formal paradigm. Answer: A, B, C
10. Which of the following are types of software licenses? A. Open-source B. Proprietary C. Freeware D. Shareware Rationale: Software can be distributed under open-source, proprietary, freeware, or shareware licenses. Answer: A, B, C, D 11. Which of the following are common data structures? A. Array B. Stack C. Queue D. Loop Rationale: Arrays, stacks, and queues store and organize data efficiently. Loops are control structures, not data structures. Answer: A, B, C 12. Which of the following are valid HTTP methods used in RESTful APIs? A. GET B. POST C. PUT D. CONNECT
15. Which of the following are benefits of using version control in software development? A. Track changes to code B. Enable collaboration C. Automatic debugging D. Rollback to previous versions Rationale: Version control systems help track changes, support collaboration, and allow rollbacks, but they don’t debug code automatically. Answer: A, B, D 16. Which of the following are principles of Agile methodology? A. Iterative development B. Continuous feedback C. Detailed upfront planning D. Adaptive to change Rationale: Agile emphasizes iteration, feedback, and adaptability over rigid upfront planning. Answer: A, B, D 17. Which of the following are benefits of using cloud computing in software development?
A. Scalability B. Cost-efficiency C. On-premises hardware management D. Remote access Rationale: Cloud computing offers scalability, cost savings, and remote access. On-premises hardware management is not a benefit. Answer: A, B, D
18. Which of the following are considered markup or styling languages? A. HTML B. CSS C. XML D. Python Rationale: HTML and XML define structure, CSS defines styling. Python is a programming language. Answer: A, B, C 19. Which of the following are common types of loops in programming? A. For loop B. While loop
Rationale: Singleton, Observer, and Factory are design patterns; recursion is an algorithmic concept. Answer: A, B, C
22. Which of the following are types of APIs? A. REST B. SOAP C. GraphQL D. HTML Rationale: REST, SOAP, and GraphQL are API types. HTML is a markup language. Answer: A, B, C 23. Which of the following are primary goals of software testing? A. Identify defects B. Ensure requirements are met C. Optimize hardware usage D. Improve software quality Rationale: Testing identifies defects, verifies requirements, and improves quality. Hardware optimization is unrelated. Answer: A, B, D
24. Which of the following are common backend development technologies? A. Node.js B. PHP C. Ruby on Rails D. HTML Rationale: Node.js, PHP, and Ruby on Rails are backend technologies; HTML is frontend. Answer: A, B, C 25. Which of the following are advantages of object-oriented programming? A. Code reusability B. Modularity C. Easier maintenance D. Faster compilation Rationale: OOP provides modularity, reusability, and maintainability, but compilation speed is not a core benefit. Answer: A, B, C 26. Which of the following are examples of software development tools? A. IDEs B. Compilers
Rationale: MVC, Microservices, and Layered are recognized architecture patterns; procedural is a programming paradigm. Answer: A, B, C
29. Which of the following are commonly used scripting languages? A. JavaScript B. Python C. Bash D. Java Rationale: JavaScript, Python, and Bash are scripting languages. Java is a compiled language (though it can be scripted in certain contexts). Answer: A, B, C 30. Which of the following are best practices for database design? A. Normalization B. Avoiding redundant data C. Using indexes D. Storing passwords in plaintext Rationale: Normalization, reducing redundancy, and indexing optimize databases. Storing passwords in plaintext is insecure. Answer: A, B, C
31. Which of the following are common file formats for storing data? A. JSON B. XML C. CSV D. EXE Rationale: JSON, XML, and CSV are data storage formats; EXE is an executable program file. Answer: A, B, C 32. Which of the following are examples of runtime errors in programming? A. Division by zero B. Null pointer access C. Infinite recursion D. Syntax error Rationale: Runtime errors occur during program execution; syntax errors are detected at compile time. Answer: A, B, C 33. Which of the following are valid relational database operations? A. SELECT B. UPDATE
Rationale: Visual Studio, Eclipse, and PyCharm are IDEs. Chrome is a web browser. Answer: A, B, C
36. Which of the following are common types of software maintenance? A. Corrective B. Adaptive C. Perfective D. Destructive Rationale: Corrective, adaptive, and perfective maintenance improve software; destructive is not a type. Answer: A, B, C 37. Which of the following are advantages of using APIs in software development? A. Code reusability B. Standardized communication C. Increased security D. Faster development Rationale: APIs promote reusability, standard interfaces, and faster development. Security depends on implementation. Answer: A, B, D
38. Which of the following are considered software development life cycle (SDLC) models? A. Waterfall B. Agile C. Spiral D. Binary Rationale: Waterfall, Agile, and Spiral are SDLC models; Binary is unrelated. Answer: A, B, C 39. Which of the following are common programming logic structures? A. Sequence B. Selection C. Iteration D. Compilation Rationale: Sequence, selection, and iteration define control flow; compilation is a process, not a logic structure. Answer: A, B, C 40. Which of the following are examples of front-end JavaScript frameworks? A. React B. Angular
Rationale: JUnit, Selenium, and PyTest are testing frameworks; Notepad is a text editor. Answer: A, B, C
43. Which of the following are benefits of using modular programming? A. Easier maintenance B. Reusability C. Parallel development D. Faster compilation Rationale: Modular code improves maintainability, reusability, and enables parallel development; compilation speed is not guaranteed. Answer: A, B, C 44. Which of the following are valid HTTP status codes? A. 200 B. 404 C. 500 D. 999 Rationale: 200 (OK), 404 (Not Found), 500 (Server Error) are standard HTTP codes; 999 is not. Answer: A, B, C
45. Which of the following are advantages of using object- oriented design? A. Encapsulation B. Scalability C. Modularity D. Manual memory management Rationale: OOP promotes encapsulation, scalability, and modularity; manual memory management is language-specific. Answer: A, B, C 46. Which of the following are types of software deployment? A. On-premises B. Cloud-based C. Hybrid D. Manual coding Rationale: On-premises, cloud, and hybrid are deployment models; manual coding is not deployment. Answer: A, B, C 47. Which of the following are considered common software versioning methods? A. Semantic versioning B. Incremental versioning
