System Design
15 questions — answer mentally, then read the explanations
What you'll learn
- Try to answer each question before reading the explanation
- Cover System Design topics in system design
Questions
Read each question and options, then check the explanation below.
How does Monolithic Architecture differ from Microservices Architecture?
- A. Decentralized structure with independent services
- B. Centralized structure with tightly integrated components
- C. Both architectures have similar principles
- D. Monolithic architecture is an older term for Microservices
Explanation
Answer: Centralized structure with tightly integrated components Monolithic Architecture is characterized by a centralized structure with tightly integrated components, while Microservices Architecture follows a decentralized structure with independent services.
Which factor can lead to scalability issues in Monolithic Architecture?
- A. Loose coupling of components
- B. Efficient load balancing
- C. Large codebase and single point of failure
- D. Stateless communication between components
Explanation
Answer: Large codebase and single point of failure A large codebase and a single point of failure are factors in Monolithic Architecture that can lead to scalability issues, as they hinder the system's ability to handle increased workload.
In what scenarios might Monolithic Architecture be preferred over Microservices Architecture?
- A. When the project is small and has limited complexity
- B. When tight integration between components is essential
- C. When rapid scaling is a primary concern
- D. When the development team is distributed
Explanation
Answer: When tight integration between components is essential Monolithic architecture may be preferred when tight integration between components is crucial, and the project is not overly complex. It simplifies development and deployment in scenarios where microservices might introduce unnecessary overhead.
What strategies can be employed to mitigate the drawbacks of Monolithic Architecture?
- A. Implement modular design within the monolith
- B. Adopting microservices architecture
- C. Increasing hardware resources
- D. Ignoring drawbacks for short-term benefits
Explanation
Answer: Implement modular design within the monolith Mitigating drawbacks of Monolithic Architecture can involve implementing modular design within the monolith. This allows for better maintainability, scalability, and ease of understanding without fully transitioning to microservices.
How does Monolithic Architecture affect the development and deployment processes in large organizations?
- A. Centralized development and deployment processes
- B. Decentralized and independent development teams
- C. Agile and rapid development cycles
- D. Continuous integration and continuous deployment
Explanation
Answer: Centralized development and deployment processes Monolithic Architecture often leads to centralized development and deployment processes in large organizations. Changes and updates typically require coordination across teams, impacting agility and potentially leading to bottlenecks.
Monolithic Architecture typically involves bundling all components into a single _________.
- A. Package
- B. Module
- C. Container
- D. Entity
Explanation
Answer: Module Monolithic architecture involves bundling all components into a single module. This design approach contrasts with microservices, where components are loosely coupled and independently deployable.
One of the challenges of Monolithic Architecture is the lack of _________, making it difficult to independently scale components.
- A. Cohesion
- B. Decoupling
- C. Encapsulation
- D. Modularity
Explanation
Answer: Decoupling The lack of decoupling is a challenge in Monolithic Architecture, as it makes it difficult to independently scale components. Changes to one component may impact others due to tight dependencies.
Deploying updates in Monolithic Architecture can be challenging due to the need for _________ testing.
- A. Regression
- B. Unit
- C. Integration
- D. System
Explanation
Answer: Regression Deploying updates in Monolithic Architecture can be challenging due to the need for regression testing. Changes may have unintended consequences on other components, requiring thorough testing to ensure system stability.
In a scenario where a legacy application built on Monolithic Architecture needs to scale rapidly to meet increased demand, what strategies could be implemented to achieve scalability without migrating to a new architecture?
- A. Caching frequently accessed data, optimizing database queries, and implementing load balancing
- B. Rewriting the entire codebase to adopt Microservices Architecture
- C. Adding more features to the existing monolith
- D. Reducing the server capacity
Explanation
Answer: Caching frequently accessed data, optimizing database queries, and implementing load balancing Strategies like caching, optimizing queries, and load balancing can enhance the performance of a monolithic application, achieving scalability without the need for a complete architectural overhaul.
A large enterprise with multiple business units is considering modernizing its software infrastructure. Discuss the factors they should consider when deciding between transitioning to Microservices Architecture or retaining their existing Monolithic Architecture.
- A. Team expertise, system complexity, scalability requirements, and deployment flexibility
- B. Latest industry trends, cost of transitioning, popularity of Microservices, and vendor support
- C. Number of employees, office locations, company age, and customer satisfaction
- D. Monetization strategy, market competition, and customer demographics
Explanation
Answer: Team expertise, system complexity, scalability requirements, and deployment flexibility Factors like team expertise, system complexity, scalability needs, and deployment flexibility should be considered when deciding between Microservices and Monolithic Architecture for a large enterprise.
A startup is developing a new application with limited resources and a small team. Explain whether Monolithic Architecture or Microservices Architecture would be more suitable for their initial development phase, considering factors like speed of development, ease of deployment, and scalability.
- A. Monolithic Architecture for simplicity and faster development
- B. Microservices Architecture for scalability and flexibility
- C. No architectural decisions required for a startup
- D. Adopting both architectures simultaneously
Explanation
Answer: Microservices Architecture for scalability and flexibility For a startup with limited resources and a small team, Microservices Architecture can offer scalability and flexibility, outweighing the initial simplicity of Monolithic Architecture.
What is Microservices Architecture?
- A. An architectural style that structures an application as a collection of loosely coupled services
- B. An approach where all services are tightly integrated into a monolithic structure
- C. A design pattern for building single-service applications
- D. A methodology for building hardware architectures
Explanation
Answer: An architectural style that structures an application as a collection of loosely coupled services Microservices Architecture is an architectural style that structures an application as a collection of loosely coupled services, allowing for flexibility, scalability, and independent development and deployment of services.
Which of the following is a characteristic of Microservices Architecture?
- A. Tight coupling between services
- B. Shared monolithic database
- C. Independent and autonomous services
- D. Centralized development and deployment
Explanation
Answer: Independent and autonomous services Microservices Architecture is characterized by independent and autonomous services, each responsible for a specific business capability, enabling better scalability and maintainability.
What problem does Microservices Architecture aim to solve?
- A. Inefficiencies in resource utilization
- B. Complex and difficult-to-maintain monolithic applications
- C. Lack of security in traditional architectures
- D. Slow data processing speed
Explanation
Answer: Complex and difficult-to-maintain monolithic applications Microservices Architecture aims to solve the problems associated with complex and difficult-to-maintain monolithic applications by breaking them into smaller, independent services.
What are some advantages of Microservices Architecture over Monolithic Architecture?
- A. Independent deployment, scalability, technology diversity, fault isolation
- B. Tight coupling, centralized management, single point of failure, limited scalability
- C. Code duplication, increased complexity, reduced modularity, easier testing
- D. Loose coupling, shared database, limited scalability, monolithic deployment
Explanation
Answer: Independent deployment, scalability, technology diversity, fault isolation Microservices Architecture offers advantages such as independent deployment, scalability, technology diversity, and fault isolation. These characteristics contribute to a more resilient and agile system.
Today's exercise: Review & recall
Revisit any questions you hesitated on. Write one-line answers in your own words.
Steps
- 1
First pass
Read each question and pick an answer without looking at the explanation.
- 2
Second pass
Expand explanations only for questions you missed or were unsure about.
- 3
Notes
Jot down 3 terms or patterns you want to remember from this batch.
