Module 9

Question 1

List the Microservice Guiding Design Principles (10)

Answer 1

1. Shared Nothing
2. Micro focus
3. High Autonomy
4. Independent ownership
5. Hidden implementation
6. Immutability
7. High resilience
8. Failure isolation
9. Automated
10. Self-hosting

Question 2

List the Microservice granularity levels (4)

Answer 2

1. Service granularity
2. Capability granularity
3. Data granularity
4. Constraint granularity
   ( service and granularity)

Question 3

List the fundamental Microservice patterns (2)

Answer 3

1. Micro task abstraction
2. Micro task segregation

Question 4

List the fundamental containerization patterns (2)

Answer 4

1. Rich container
2. Logical pod container

Question 5

List the fundamental container architecture elements (6)

Answer 5

1. Container engine
2. Container build file
3. Container image
4. Container
5. Networking address
6. Storage device

Question 6

List the Microservice enabling technologies (5)

Answer 6

1. Monitoring and auditing tools
2. Logging tools
3. Automation tools
4. Scaling technology
5. Instance registration and discovery technology

Question 7

List the technology drivers for cloud-based Microservices (3)

Answer 7

1. High automation
2. High scalability
3. High availability

Question 8

List the common Microservice design challenges (5)

Answer 8

1. Distributed system complexity
2. Increased operational overhead
3. Increased communication and network traffic
4. Increased synchronization requirements
5. Disparate APIs and non-standardization

Question 9

List the DevOps stages (8)

Answer 9

To add
1. DEV: Plan
2. DEV: Create
3. DEV: Verify (and test)
4. DEV: Package
5. OPS: Release
6. OPS: Configure
7. OPS: Monitor
8. OPS: Feedback

Question 10

List the KPIs and performance metrics to measure DevOps (4)

Answer 10

1. User and customer experience
2. Application performance
3. Speed and efficiency of DevOps
4. Quality

Question 11

Lost the benefits of containers (4)

Answer 11

1. Portability
2. Efficient resource utilization
3. Faster creation and deployment
4. Easy version control and tracking

Question 12

List the drawbacks of containers (2)

Answer 12

1. Lack of isolation from host operating system level
2. Security threats can increase

Question 13

List the types of scaling relevant to microservices (2)

Answer 13

1. Horizontal scaling (scale out, scale in)
2. Vertical scaling (scale up, scale down)

Question 14

List the DevOps benefits relevant to microservices (6)

Answer 14

1. Increase in speed
2. Rapid delivery
3. Scalability
4. Increased reliability
5. Improved security
6. Improved organizational collaboration

Question 15

List the common DevOps practises relevant to microservices (9)

Answer 15

1. Microservice-first strategy
2. Continuous Integration (CI)
3. Continuous Delivery (CD)
4. Continuous developement
5. Infrastructure as Code (IaC)
6. Automated configuration management
7. Policy as Code (PaC)
8. Monitoring and logging
9. Collaboration and communication