Cloud-Native Application Development: A Comprehensive Guide for Data Scientists

Question 1

To ensure the scalability of cloud applications, which strategy is crucial?

Accepted Answer

Load balancing

Answer

Centralized data storage

Answer

Vertical scaling

Answer

Avoiding cloud-native architectural patterns

Question 2

Which of the following services is NOT commonly used in data science applications on the cloud?

Accepted Answer

Email hosting

Answer

Data storage

Answer

Data processing

Answer

Machine learning services

Question 3

What is the primary role of a service mesh in a cloud-native architecture?

Accepted Answer

To facilitate communication and service discovery between microservices

Answer

To provide a centralized gateway for applications to access external services

Answer

To manage data persistence and storage for cloud-native applications

Question 4

What is the purpose of a declarative API in the context of cloud-native application development?

Accepted Answer

To define infrastructure configuration in a human-readable and machine-interpretable format

Answer

To perform complex numerical operations on large datasets

Answer

To manage user authentication and authorization processes

Question 5

What is the primary objective of cloud-native application monitoring?

Accepted Answer

To identify and address performance issues, ensuring optimal application functionality

Answer

To collect user feedback and gauge application satisfaction

Answer

To enforce compliance with industry regulations and standards

Question 6

When selecting a cloud provider for cloud-native development, which factor should be a top priority?

Accepted Answer

Availability and reliability of the cloud platform and its services

Answer

Cost and pricing models offered by different cloud providers

Answer

Compute and storage capacity provided by the cloud platform

Question 7

What is the fundamental distinction between a cloud-native application and a traditional application?

Accepted Answer

Cloud-native applications are specifically designed to be deployed, managed, and scaled on cloud platforms.

Answer

Cloud-native applications adhere to a monolithic architecture, unlike traditional applications.

Answer

Cloud-native applications cannot be deployed on multiple cloud platforms, unlike traditional applications.

Question 8

What is a key characteristic of cloud-native application development?

Accepted Answer

Loose coupling

Answer

Monolithic architecture

Answer

Tight coupling

Answer

Lack of scalability

Question 9

Which design pattern is most suitable for achieving high availability with automatic failover in a cloud-native application?

Accepted Answer

Active-Active

Answer

Service Mesh

Answer

Message Queue

Answer

Circuit Breaker

Question 10

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

Accepted Answer

Stateless components

Answer

Monolithic architecture

Answer

Centralized data management

Answer

Manual provisioning and scaling

Question 11

What is the primary advantage of adopting a serverless architecture?

Accepted Answer

Reduced operational costs

Answer

Improved application performance

Answer

Increased security

Answer

Simplified application development

Question 12

Which of the following characteristics is essential for scalable cloud applications?

Accepted Answer

Ability to handle increased workloads without performance degradation.

Answer

Requirement for significant upfront investment.

Answer

Limited portability across cloud providers.

Answer

Dependence on manual scaling processes.

Question 13

What is the primary purpose of containers in cloud-native application development?

Accepted Answer

To isolate and package applications along with their dependencies.

Answer

To provide a secure execution environment for applications.

Answer

To manage the lifecycle of cloud applications.

Answer

To enable communication between microservices.

Question 14

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

Accepted Answer

To manage communication and security between microservices.

Answer

To provide centralized logging and monitoring.

Answer

To automate application deployment and scaling.

Answer

To integrate legacy systems with cloud-native applications.

Question 15

Which of the following is a key best practice for developing resilient cloud applications?

Accepted Answer

Implementing fault tolerance mechanisms.

Answer

Designing applications with a single point of failure.

Answer

Avoiding distributed system architectures.

Answer

Relying exclusively on cloud vendor service level agreements (SLAs).

Question 16

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

Accepted Answer

To automate and streamline the software delivery process.

Answer

To ensure compliance with industry regulations.

Answer

To manage cloud infrastructure and resources.

Answer

To provide real-time monitoring of application performance.

Question 17

What is the primary purpose of cloud-native application performance monitoring (APM) tools?

Accepted Answer

To provide real-time visibility into application performance and behavior.

Answer

To detect and mitigate security threats.

Answer

To automate software updates and patching.

Answer

To manage cloud infrastructure and resources.

Question 18

Which core principle of cloud-native application development emphasizes building scalable and resilient applications?

Accepted Answer

Enhancing scalability and resilience

Answer

Prioritizing long-term deployment cycles

Answer

Favoring manual configuration over automation

Answer

Designing applications for monolithic deployment

Question 19

What is the primary benefit of utilizing containerization in cloud-native development?

Accepted Answer

Effective isolation and encapsulation of application components

Answer

Enhanced application performance

Answer

Reduced development costs

Answer

Automatic deployment and scaling

Question 20

Which architectural pattern promotes loose coupling and facilitates microservices-based designs?

Accepted Answer

Event-Driven Architecture (EDA)

Answer

Service-Oriented Architecture (SOA)

Answer

Monolithic Architecture

Answer

Client-Server Architecture

Question 21

What is the primary purpose of a Kubernetes pod in cloud-native environments?

Accepted Answer

Orchestrating multiple containers with shared resource utilization

Answer

Providing a graphical user interface for application management

Answer

Storing persistent data for cloud applications

Answer

Facilitating network communication across containers

Question 22

Which best practice is crucial for monitoring the health and performance of cloud-native applications?

Accepted Answer

Establishing metrics and alerts to track key performance indicators

Answer

Periodically checking application logs manually

Answer

Solely relying on cloud provider monitoring tools

Answer

Ignoring monitoring until performance issues manifest

Question 23

Which of the following tools is widely used for implementing continuous integration and continuous delivery (CI/CD) in cloud-native development?

Accepted Answer

Jenkins

Answer

Microsoft Visual Studio

Answer

Adobe Photoshop

Answer

Apple Xcode

Question 24

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

Accepted Answer

Establishing secure and reliable communication channels between microservices

Answer

Managing the deployment and lifecycle of containers

Answer

Collecting and analyzing application performance data

Answer

Handling authentication and authorization for cloud applications

Question 25

What is the fundamental difference between immutable and mutable infrastructure in cloud-native environments?

Accepted Answer

Immutable infrastructure is replaced during updates, while mutable infrastructure is directly modified.

Answer

Mutable infrastructure is replaced during updates, while immutable infrastructure is directly modified.

Answer

Immutable infrastructure offers faster deployment times than mutable infrastructure.

Answer

Mutable infrastructure is more secure than immutable infrastructure.

Question 26

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

Accepted Answer

Often have a monolithic design

Answer

Typically use microservices-based architecture

Answer

Designed to be deployed on Kubernetes

Answer

Containerized

Question 27

Which design pattern is commonly used to manage data consistency in cloud-native applications?

Accepted Answer

Eventual consistency

Answer

Strong consistency

Answer

Linearizability

Answer

Serializability

Question 28

What is the primary benefit of using a DevOps approach in cloud-native development?

Accepted Answer

Reduced time to market and increased agility

Answer

Improved code quality

Answer

Increased security

Answer

Enhanced scalability

Question 29

Which of the following is NOT a key component of a cloud-native application deployment pipeline?

Accepted Answer

Manual capacity planning

Answer

Continuous integration

Answer

Continuous testing

Answer

Source code management

Question 30

What are the core principles of cloud-native application development?

Accepted Answer

Immutability, microservices, and API-first approach

Answer

Monolithic architecture, object-oriented design, and database-centric storage

Answer

Serverless computing, DevOps practices, and Kubernetes orchestration

Answer

Legacy code reuse, proprietary tools, and waterfall methodology

Question 31

For data science applications, which cloud service is best suited for storing large amounts of unstructured data used for training and analysis?

Accepted Answer

Cloud Storage

Answer

Relational Database Service (RDS)

Answer

Elasticsearch

Answer

DynamoDB

Question 32

What's the most important step in making a cloud-native app resilient to failures?

Accepted Answer

Use automated checks to find and fix problems before they happen.

Answer

Stick with one cloud provider to avoid compatibility issues.

Answer

Avoid using cloud services with built-in backup and recovery.

Answer

Set up a manual process that requires people to fix things.

Question 33

Which design pattern is typically used in cloud-native applications to achieve horizontal scalability?

Accepted Answer

Microservice

Answer

Singleton

Answer

Factory Method

Answer

MVC

Question 34

What is the recommended approach for managing secrets in cloud-native applications?

Accepted Answer

Using a dedicated secret management service

Answer

Storing them in a plaintext file

Answer

Encoding them using a simple encryption algorithm

Answer

Hardcoding them into the application code

Question 35

Identify and describe the key challenges associated with deploying cloud-native applications in a production environment.

Accepted Answer

Security vulnerabilities due to increased exposure and attack surface

Accepted Answer

Cost optimization for efficient resource utilization

Accepted Answer

Integration with legacy systems and data sources

Accepted Answer

Debugging and troubleshooting distributed systems

Question 36

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

Accepted Answer

Scalability and resilience

Answer

Rigidly coupled architecture

Answer

Designed for exclusive on-premise deployment

Answer

Reliance on outdated technologies

Question 37

Which approach is considered a best practice for managing secrets in cloud-native applications?

Accepted Answer

Utilizing a dedicated secret management service

Answer

Storing secrets in plaintext configuration files

Answer

Encrypting secrets before storing them in the cloud

Answer

Hardcoding secrets directly into the application code

Question 38

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

Accepted Answer

Managing the deployment, scaling, and lifecycle of containers

Answer

Providing a secure sandbox for running containers

Answer

Monitoring and troubleshooting containerized applications

Answer

Creating and managing virtual machines

Question 39

Which of the following is a notable design pattern commonly employed in cloud-native applications?

Accepted Answer

Event-driven architecture

Answer

Monolithic architecture

Answer

Client-server architecture

Answer

Hierarchical architecture

Question 40

What is the primary role of continuous integration (CI) in cloud-native development?

Accepted Answer

Automating the process of building, testing, and deploying code changes

Answer

Identifying potential security vulnerabilities in the codebase

Answer

Monitoring the performance of deployed applications

Answer

Managing and provisioning infrastructure resources

Question 41

Which cloud computing service is наиболее appropriate for storing large datasets used in data science workloads?

Accepted Answer

Object storage

Answer

Relational database

Answer

NoSQL database

Answer

Virtual machine

Question 42

What is the primary benefit of utilizing serverless computing in cloud-native applications?

Accepted Answer

Reduced infrastructure management overhead

Answer

Enhanced application performance

Answer

Lower cost of development

Answer

Increased data security

Question 43

Which design pattern promotes decomposing an application into loosely coupled, self-contained services?

Accepted Answer

Microservices

Answer

Monorepo

Answer

Serverless

Answer

Kubernetes

Question 44

What is the principal advantage of using containers in cloud-native application development?

Accepted Answer

Isolation and portability across different environments

Answer

Increased performance

Answer

Enhanced security

Answer

Reduced cost

Question 45

What is Kubernetes' primary function in cloud-native application development?

Accepted Answer

Orchestrating and managing containerized applications

Answer

Providing a serverless compute platform

Answer

Storing and processing big data

Answer

Provisioning and managing virtual machines

Question 46

Which characteristic is essential for cloud-native applications?

Accepted Answer

Resiliency and scalability to handle varying workloads

Answer

Infrequent deployment

Answer

Monolithic architecture

Answer

Complex configuration

Question 47

What is the primary goal of continuous integration (CI) in cloud-native application development?

Accepted Answer

Automating code building, testing, and integration

Answer

Managing infrastructure changes

Answer

Deploying applications to production environments

Answer

Monitoring application performance in production

Question 48

Which advantage is associated with using serverless computing for data science workloads?

Accepted Answer

Automatic scaling based on usage and pay-per-use pricing model

Answer

Improved code readability

Answer

Reduced latency

Answer

Enhanced data security

Question 49

What is the fundamental difference between a virtual machine (VM) and a container?

Accepted Answer

Containers share the host operating system's kernel, while VMs have their own.

Answer

VMs are more portable than containers

Answer

Containers consume more resources than VMs

Question 50

What is the main purpose of using a cloud-based data lake in the context of data science?

Accepted Answer

Storing and processing vast amounts of unstructured data for analysis

Answer

Managing structured data in a relational database management system

Answer

Performing real-time data analytics