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Systems Analyst — вопросы для собеседования

220+ вопросов для подготовки к собеседованию по Systems Analyst

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What is a Systems Analyst and what do they do?

What is the difference between Systems Analyst and Business Analyst?

What is the difference between functional and technical requirements?

What is the difference between system design and system architecture?

What is the difference between SDLC and Agile?

What is the difference between system analysis and system design?

What is the difference between structured analysis and object-oriented analysis?

What is the difference between feasibility study and requirements analysis?

What is the difference between data modeling and process modeling?

What is the difference between UML and ERD?

What is the difference between system testing and integration testing?

What is the difference between system analyst and software engineer?

What is the difference between functional and technical requirements?

What is the difference between system design and architecture?

What is the difference between SDLC and Agile?

What is the difference between analysis and design?

What is the difference between structured and OO analysis?

What is the difference between feasibility and requirements?

What is the difference between data modeling and process modeling?

What is the difference between UML and ERD?

What is requirements traceability and why is it important?

What is a use case diagram and when to use it?

What is the difference between a use case and a user story?

What is a class diagram and how to read it?

What is a sequence diagram and when to use it?

What is an activity diagram and when to use it?

What is a state diagram and when to use it?

What is entity-relationship modeling and normalization?

What is the difference between OLTP and OLAP?

What is data warehousing and ETL?

What is the difference between data lake and data warehouse?

What is the difference between ER diagram and UML class diagram?

What is the difference between conceptual, logical, and physical data models?

What is stakeholder analysis and mapping?

What is the difference between brownfield and greenfield development?

What is the difference between coupling and cohesion?

What is the difference between monolithic and microservices architecture?

What is the difference between synchronous and asynchronous communication?

What is the CAP theorem and its implications?

What is the difference between REST and GraphQL?

What is the difference between horizontal and vertical scaling?

What is the difference between load balancing and clustering?

What is the difference between SQL and NoSQL databases?

What is database indexing and when to use it?

What is the difference between ACID and BASE properties?

What is the difference between a prototype and an MVP?

What is the difference between top-down and bottom-up design?

What is the difference between push and pull architecture?

What is the difference between sharding and replication?

What is the difference between CRUD and CQRS?

What is the difference between event sourcing and CRUD?

What is the difference between message queue and event bus?

What is API gateway and when to use it?

What is the difference between OAuth 2.0 and OpenID Connect?

What is the difference between RBAC and ABAC?

What is the difference between symmetric and asymmetric encryption?

What is the difference between horizontal and vertical partitioning?

What is the CAP theorem and PACELC theorem?

What is idempotency in API design?

What is the difference between polling, long polling, and WebSocket?

What is the difference between data normalization and denormalization?

What is the difference between stateful and stateless services?

What is the difference between polling and webhooks?

What is the difference between monolith and modular monolith?

What is the difference between two-phase commit and saga pattern?

What is the difference between eventual consistency and strong consistency?

What is database isolation levels?

What is the difference between optimistic and pessimistic locking?

What is the difference between TCP and UDP?

What is the OSI model and its layers?

What is the difference between HTTP and HTTPS?

What is DNS and how does it work?

What is the difference between REST, SOAP, and gRPC?

What is the difference between CDN and caching?

What is the difference between horizontal and vertical database scaling?

What is the difference between database connection pooling and caching?

What is the difference between synchronous and asynchronous replication?

What is the difference between RESTful and GraphQL APIs?

What is the difference between message broker and message queue?

What is the difference between idempotent and non-idempotent operations?

What is the difference between circuit breaker and rate limiting?

What is the difference between load balancer and reverse proxy?

What is the difference between event-driven and request-driven architecture?

What is the difference between horizontal and vertical module organization?

What is the difference between micro-frontends and microservices?

What is the difference between continuous integration and continuous deployment?

What is the difference between blue-green and canary deployment?

What is the difference between monorepo and polyrepo?

What is the difference between functional programming and object-oriented programming?

What is the difference between imperative and declarative programming?

What is the difference between test-driven and behavior-driven development?

What is the difference between black-box and white-box testing?

What is the difference between unit, integration, and end-to-end testing?

What is the difference between TDD and BDD?

What is the difference between synchronous and asynchronous testing?

What is the difference between mocking and stubbing?

What is the difference between test coverage and code quality?

What is the difference between regression and smoke testing?

What is the difference between performance and load testing?

What is the difference between static and dynamic analysis?

What is the difference between white-box, black-box, and gray-box testing?

What is the difference between vulnerability scanning and penetration testing?

What is the difference between symmetric and asymmetric hashing?

What is the difference between data at rest and data in transit encryption?

What is the difference between authentication and authorization?

What is the difference between RBAC and ACL?

What is zero trust security model?

What is the difference between preventive and detective security controls?

What is the difference between WAF and firewall?

What is the difference between SHA-256 and MD5?

What is the difference between stateful and stateless firewall?

What is the difference between IaaS, PaaS, and SaaS?

What is cloud-native architecture?

What is serverless architecture?

What is the difference between containers and virtual machines?

What is Kubernetes and when to use it?

What is the difference between horizontal and vertical pod autoscaling?

What is the difference between blue-green and rolling deployment?

What is the difference between microservices and monolithic architecture?

What is the difference between event-driven and request-driven architecture?

What is the difference between polling and WebSocket?

What is the difference between content delivery and content distribution?

What is the difference between edge computing and cloud computing?

What is the difference between horizontal and vertical scaling?

What is the difference between high availability and fault tolerance?

What is the difference between disaster recovery and business continuity?

What is the difference between RTO and RPO?

What is the difference between active-active and active-passive?

What is the difference between synchronous and asynchronous processing?

What is the difference between write-ahead logging and write-behind caching?

What is the difference between sharding and partitioning?

What is the difference between circuit breaker and bulkhead pattern?

What is the difference between cache-aside and write-through?

What is the difference between write-back and write-through caching?

What is the difference between pull-based and push-based scaling?

What is the difference between active-active and active-passive clustering?

What is the difference between graceful and brutal degradation?

What is the difference between eventual consistency and strong consistency?

What are the key differences between AWS, Azure, and GCP cloud platforms?

Explain cloud deployment models: public, private, hybrid, and multi-cloud.

What is Infrastructure as Code (IaC) and what tools are available?

How does auto-scaling work in cloud environments?

What is serverless architecture and when should it be used?

Explain cloud networking concepts: VPC, subnets, security groups, and load balancers.

What is container orchestration and how does Kubernetes work?

What are the REST API design principles and best practices?

What is GraphQL and how does it differ from REST?

How do you design an API for versioning and backward compatibility?

What are API gateway patterns and their use cases?

What is database normalization and what normal forms exist?

What are database indexing strategies and when to use them?

Explain database partitioning strategies and their benefits.

What are message queues and when should they be used?

Explain event-driven architecture and its patterns.

What is Apache Kafka and how does it differ from traditional message queues?

What are the OWASP Top 10 security vulnerabilities?

What is threat modeling and how do you perform it?

How do you secure APIs against common attacks?

What is performance testing and what types exist?

What are the key metrics for monitoring system performance?

What is disaster recovery planning and what strategies exist?

How do you design a high-availability system?

What is capacity planning and how do you approach it?

What is ITIL and how does it help organizations?

What is COBIT and how is it used in IT governance?

How do you design a caching strategy for a web application?

What is a content delivery network (CDN) and how does it work?

How do you implement authentication and authorization in a system?

What is database replication and what types exist?

How do you design a database for multi-tenancy?

What is database sharding and when should it be used?

What is event sourcing and CQRS pattern?

How do you implement data encryption at rest and in transit?

What is a circuit breaker pattern and when to use it?

What is service mesh and when should it be used?

How do you design a scalable notification system?

What is API rate limiting and how do you implement it?

How do you implement logging and monitoring in a microservices architecture?

What is distributed tracing and how does it work?

How do you design a scalable search system?

What is API design for mobile applications?

How do you design a file upload system?

What is database connection pooling and why is it important?

How do you design a scalable email sending system?

What is idempotency in API design and why is it important?

How do you design a real-time collaboration system?

What is GraphQL federation and when should it be used?

How do you implement feature flags in a system?

What is API gateway pattern and implementation strategies?

How do you design a scalable payment processing system?

What is blue-green deployment and how does it work?

How do you implement distributed transactions?

What is chaos engineering and how do you practice it?

How do you design a scalable logging system?

What is API documentation and how do you create effective API docs?

How do you implement API monitoring and alerting?

What is API security best practices checklist?

How do you design a microservices communication pattern?

What is API versioning strategies comparison?

How do you design a system for high availability and disaster recovery?

What is enterprise integration and what patterns are used?

What is API governance and why is it important?

What is a data lake and how does it differ from a data warehouse?

How do you define requirements for an ML pipeline?

How do you define accessibility requirements for a system?

How do you design a mobile-first strategy for enterprise?

How do you plan legacy system modernization?

What is ETL vs ELT and when to use each?

How do you design data quality requirements?

What is data mesh architecture?

How do you define SLAs for data pipelines?

What is data cataloging and why is it essential?

How do you design a real-time analytics system?

What is CDC (Change Data Capture) and when to use it?

How do you design data retention and archival policies?

What is data governance and how to implement it?

How do you design for data privacy (GDPR, CCPA)?

How do you design a data migration strategy?

What is feature engineering and how do you approach it?

How do you design a reporting and BI strategy?

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