Cloud Native Applications: Principles and Best Practices for Cloud-First Development

Question 1

Enhanced Precision: In cloud-native application development, what is the significance of the 'Twelve-Factor App' concept?

Accepted Answer

It outlines best practices for building cloud applications that are portable, scalable, and easy to maintain.

Answer

It is a specific application framework designed for cloud computing.

Answer

It is a cloud service that offers serverless computing.

Answer

It is a methodology for optimizing application performance in the cloud.

Question 2

Language Accessibility: In the context of cloud-native applications, what does 'stateless' imply?

Accepted Answer

The application does not retain data between requests.

Answer

The application is tied to a specific server and cannot be moved.

Answer

The application can handle multiple user sessions simultaneously.

Answer

The application is independent of any external factors.

Question 3

Precision and Accessibility: In cloud-native environments, what is the primary function of a service mesh?

Accepted Answer

Providing a network layer for communication between microservices.

Answer

Managing application configuration and secrets.

Answer

Automating deployment and scaling of applications.

Answer

Monitoring and tracing application performance.

Question 4

Which of the following characterizes cloud-native applications?

Accepted Answer

Scalability and high resilience

Answer

Tight coupling to specific cloud platforms

Answer

Designed for compatibility with legacy systems

Answer

Reliance on locally accessible resources

Question 5

What is the primary objective of containerization in a DevOps environment?

Accepted Answer

Reduced lead time for application deployment

Answer

Enhanced collaboration between development and operations teams

Answer

Improved application security measures

Answer

Elimination of manual procedures

Question 6

Select the common architectural pattern employed in cloud-native application development:

Accepted Answer

Microservices architecture

Answer

Monolithic architecture

Answer

Client-server architecture

Answer

Peer-to-peer architecture

Question 7

In the context of cloud-native applications, what is the purpose of a CI/CD pipeline?

Accepted Answer

To automate software building, testing, and deployment

Answer

To manage infrastructure resources and services

Answer

To monitor application performance metrics

Answer

To foster collaboration among different teams

Question 8

What is the primary function of a cloud provider in the context of cloud-native application development and deployment?

Accepted Answer

Provisioning infrastructure and services

Answer

Managing the application lifecycle

Answer

Developing and testing applications

Answer

Providing support and maintenance services

Question 9

Which of these is NOT a key benefit of using cloud-native technologies compared to traditional application development?

Accepted Answer

Increased risk of dependence on a single vendor

Answer

Faster delivery of applications

Answer

Better scalability and cost control

Answer

Reduced operational overhead

Question 10

Which of the following are primary advantages of continuous integration (CI) in cloud-native application development pipelines?

Accepted Answer

Expedites feedback cycles

Accepted Answer

Increases application deployment frequency

Accepted Answer

Automates manual development tasks

Answer

Ensures flawless code quality

Question 11

What is the primary benefit of adopting a microservices architecture in cloud-native applications?

Accepted Answer

Increased scalability and resilience

Answer

Reduced development time

Answer

Lower infrastructure costs

Question 12

Which of the following is a core design principle for 12-factor applications?

Accepted Answer

Stateless processes

Answer

Object-oriented programming

Answer

Event-driven architecture

Question 13

What is the primary purpose of a container in cloud-native applications?

Accepted Answer

To package and deploy applications in a portable and isolated environment

Answer

To manage application configuration

Answer

To provide a virtualized operating system

Question 14

Which of the following is a best practice for securely managing secrets in cloud-native applications?

Accepted Answer

Storing secrets in encrypted form and using a dedicated secret manager

Answer

Storing secrets in a plaintext file

Answer

Hard-coding secrets in application code

Question 15

What is the primary function of a DevOps pipeline in cloud-native application development?

Accepted Answer

To automate the building, testing, and deployment of applications

Answer

To monitor application performance

Answer

To manage infrastructure configuration

Question 16

Which of the following is NOT a factor that impacts the scalability of cloud-native applications?

Accepted Answer

Legacy code

Answer

Resource allocation

Answer

Load balancing

Answer

Stateless architecture

Question 17

What is the primary responsibility of a service mesh in cloud-native applications?

Accepted Answer

Managing communication and data flow between microservices

Answer

Providing authentication and authorization

Answer

Implementing load balancing

Question 18

What is the primary function of Kubernetes in cloud-native deployments?

Accepted Answer

Container orchestration and management

Answer

Database management

Answer

Cloud resource provisioning

Answer

Application performance monitoring

Question 19

**Which of the following is NOT a key characteristic of cloud-native applications?**

Accepted Answer

Monolithic architecture

Answer

Scalability

Answer

Resilience

Answer

Microservices

Question 20

What is the main benefit of using containers for cloud-native applications?

Accepted Answer

Isolation and portability

Answer

Reduced complexity

Answer

Increased performance

Answer

Enhanced security

Question 21

Which of the following is **not** a best practice for designing fault-tolerant cloud-native applications?

Accepted Answer

Avoiding the use of third-party services

Answer

Monitoring application health and performance

Answer

Implementing automatic failover mechanisms

Answer

Using a microservices architecture

Question 22

What is the primary function of a service mesh in a cloud-native environment?

Accepted Answer

Facilitate service discovery and communication

Answer

Provide centralized logging and monitoring

Answer

Enforce security policies across services

Answer

Manage the lifecycle of containers

Question 23

Which of the following is a **disadvantage** of using serverless computing for cloud-native applications?

Accepted Answer

Vendor lock-in

Answer

Enhanced security

Answer

Reduced cost of infrastructure

Answer

Elimination of server management overhead

Question 24

What is the primary responsibility of a continuous integration and continuous delivery (CI/CD) pipeline in cloud-native development?

Accepted Answer

Automating the build, test, and deployment process

Answer

Managing cloud infrastructure

Answer

Providing version control

Answer

Monitoring application performance

Question 25

Which of the following is **not** a best practice for monitoring cloud-native applications?

Accepted Answer

Ignoring performance metrics

Answer

Focusing only on error logs

Answer

Automating alerts and notifications

Answer

Using metrics, logs, and traces (MLT)

Question 26

What is the purpose of using a cloud-native storage service?

Accepted Answer

Providing scalable and resilient data storage

Answer

Managing container orchestration

Answer

Processing data streams

Answer

Hosting application code

Question 27

**Which of the following is the primary advantage of using a distributed architecture for cloud applications?**

Accepted Answer

Increased scalability and resilience

Answer

Improved security

Answer

Simplified maintenance

Answer

Reduced cost

Question 28

What is the significance of open source technologies in cloud-native development?

Accepted Answer

Enabling innovation and collaboration

Answer

Eliminating the need for proprietary software

Answer

Guaranteeing compatibility

Answer

Reducing development costs

Question 29

**Which of the following is a best practice for designing microservices in cloud-native applications?**

Accepted Answer

Keep them loosely coupled and single-purpose

Answer

Avoid using containerization

Answer

Minimize communication between services

Answer

Make them as large and complex as possible

Question 30

**What is the purpose of using a cloud orchestration platform in managing cloud-native applications?**

Accepted Answer

To automate the deployment, scaling, and management of applications

Answer

To monitor application performance and troubleshoot issues

Answer

To provide a graphical user interface for managing applications

Question 31

**Which of the following is a key characteristic of cloud-native applications?**

Accepted Answer

Scalability

Answer

Legacy architecture

Answer

Monolithic design

Answer

Centralized data storage

Question 32

**What is the purpose of using containers in cloud environments?**

Accepted Answer

To package and isolate applications and their dependencies

Answer

To provide enhanced security

Answer

To increase application performance

Question 33

**Which of the following is a key consideration when selecting a cloud provider for deploying cloud-native applications?**

Accepted Answer

Support for a wide range of services and technologies

Answer

Lowest cost

Answer

Largest market share

Question 34

Which of the following is a significant challenge associated with managing cloud-native applications?

Accepted Answer

Managing the complexity of distributed microservices and interconnected components

Answer

High upfront infrastructure costs

Answer

Lack of adequately skilled professionals

Question 35

Why is monitoring and observability crucial in cloud-native environments?

Accepted Answer

To proactively detect and resolve issues, ensuring application health and performance

Answer

To effectively reduce overall cloud computing expenses

Answer

To solely meet regulatory compliance requirements

Question 36

Which of the following is NOT a defining characteristic of a cloud-native application?

Accepted Answer

Tightly coupled with legacy systems and infrastructure

Answer

Resilient to failures

Answer

Highly scalable

Question 37

What is the primary advantage of using microservices in a cloud-native application architecture?

Accepted Answer

Increased modularity and enhanced flexibility

Answer

Lowered operational costs

Answer

Reduced overall development time

Answer

исключительно Improved application performance

Question 38

Which of the following is a fundamental design principle for developing cloud-native applications?

Accepted Answer

Embrace distributed systems concepts and principles

Answer

Design for single-instance deployments

Answer

Focus on maintaining legacy compatibility

Answer

Avoid utilizing third-party services

Question 39

What is the primary purpose of a service mesh in a cloud-native application?

Accepted Answer

To facilitate communication and management of microservices

Answer

To monitor and analyze application performance

Answer

To provide high availability and fault tolerance

Question 40

Which of the following tools is commonly used for deploying and managing cloud-native applications?

Accepted Answer

Kubernetes

Answer

Ansible

Answer

Puppet

Answer

Chef

Question 41

What is the concept of 'ephemeral' storage in relation to cloud-native applications?

Accepted Answer

Data stored on temporary nodes, which is lost when those nodes are scaled down or terminated

Answer

Data stored on persistent nodes, retained even after nodes are scaled down or terminated

Answer

Data stored on a distributed file system, accessible to all nodes

Question 42

Which of the following is a recommended best practice for monitoring cloud-native applications?

Accepted Answer

Utilizing dashboards to visualize key performance metrics and application health indicators

Answer

Disabling monitoring tools to conserve resources

Answer

Ignoring errors and warnings generated by monitoring systems

Answer

Manually checking logs and alerts without using automated tools

Question 43

What is the role of 'autoscaling' in cloud-native applications?

Accepted Answer

Adjusts the number of active instances based on real-time demand and application load

Answer

Scales down all instances if any single instance experiences a failure

Answer

Ensures that all instances are continuously running, regardless of demand

Answer

Prevents the application from being deployed successfully

Question 44

In a cloud-native application, what is a primary advantage of utilizing serverless computing?

Accepted Answer

It reduces the operational burden of managing infrastructure.

Answer

It leads to faster application development times.

Answer

It enhances the overall security posture of the application.

Answer

It improves the performance and scalability of the application.

Question 45

Which principle is fundamental to the design of cloud-native applications?

Accepted Answer

Design for failure

Answer

Implement a monolithic architecture

Answer

Avoid using containers

Question 46

In the context of cloud-native development, what is the primary purpose of utilizing containers?

Accepted Answer

To isolate and package individual components of an application.

Answer

To deliver a graphical user interface for the application.

Answer

To manage and allocate network resources.

Answer

To provide persistent storage for application data.

Question 47

What is a key advantage of employing microservices in cloud-native applications?

Accepted Answer

Increased modularity and flexibility in application design.

Answer

Enhanced security measures.

Answer

Reduced operational costs.

Answer

Elimination of single points of failure.

Question 48

What is the primary function of a cloud-native platform in the development process?

Accepted Answer

To provide the infrastructure and services necessary for building, deploying, and managing cloud-native applications.

Answer

To handle security and compliance requirements.

Answer

To automate the application development lifecycle.

Question 49

Which metric is commonly employed to evaluate the performance of cloud-native applications?

Accepted Answer

Latency

Answer

Number of active users

Answer

Lines of code

Answer

Server uptime

Question 50

How does DevOps contribute to the development of cloud-native applications?

Accepted Answer

By promoting collaboration and automating tasks between development and operations teams.

Answer

By managing software licensing and compliance.

Answer

By providing dedicated customer support.

Question 51

What is the primary objective of employing serverless architectures in cloud-native applications?

Accepted Answer

To minimize operational overhead and enable automatic resource scaling.

Answer

To increase the storage capacity for application data.

Answer

To enhance the security posture of the application.

Question 52

Which characteristic is associated with immutable infrastructure in cloud-native environments?

Accepted Answer

It is treated as disposable and replaced when necessary.

Answer

It requires manual updates and maintenance.

Answer

It is designed to handle extreme levels of user traffic.

Question 53

What is the purpose of using canary deployments in cloud-native applications?

Accepted Answer

To gradually roll out new application versions to a subset of users to minimize risk

Answer

To handle large-scale application updates

Answer

To increase the speed of deployment

Question 54

Which of the following is a benefit of using feature flags in cloud-native applications?

Accepted Answer

To enable or disable features on the fly without redeployment

Answer

To improve application performance

Answer

To increase code readability