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Building Cloud Native and Multicloud Applications Cognitive Class Exam Quiz Answers

Building Cloud Native and Multicloud Applications Cognitive Class Certification Answers

Question 1: Which is not a characteristic of Cloud Native?

  • resiliency
  • agility
  • dedicated
  • observability

Question 2: Which is an ultimate goal of Cloud Native application design?

  • horizontally scale across cloud boundaries
  • vertically scale to take advantage of improved CPU, memory and disk resources
  • seamlessly build, orchestrate and run highly scalable applications
  • scale on-demand to meet customer needs
  • All of the above

Question 3: What does CD stand for?

  • Continuous Development and Delivery
  • Cloud Development and Delivery
  • Continuous Delivery and Deployment
  • Cloud Delivery and Deployment

Question 4: Which simple definition below best describes DevOps?

  • Assuring Dev and Ops teams have tooling to communicate properly
  • Bringing Dev and Ops teams together to diagnose problems in production
  • Bringing Dev and Ops teams together to increase application operability and end-to-end agility
  • Assuring Dev and Ops teams have the same access controls on target environments

Question 5: Which is goal of Cloud Native Observability?

  • Increase time-to-failure
  • Optimize continuous automation
  • Optimize Resources and Costs
  • Increase provisioning agility

Question 1: Which is not a use case for developing Cloud Native applications?

  • Optimize for server hardware
  • Polyglot programming
  • Flexible feature integration
  • Efficient resource scaling

Question 2: Which application modernization path leverages microservices?

  • Infrastructural Path
  • Architectural Path
  • Delivery Path
  • None of the above
  • All of the above

Question 3: When building applications as a Container you start with what artifact?

  • An “operating system image”
  • A “multi-layered image”
  • A “base image”
  • A “cloud native image”
  • All of the above

Question 4: Which statement is true for Container images?

  • New layers are automatically flattened
  • Developers must add their own runtimes
  • Base layers can be patched as needed
  • Container images contain hardware virtualization support
  • None of the above
  • All of the above

Question 5: Which options below are best practices for data migration? Check all that apply.

  • Only use dedicated networks
  • Verify transfer impacts on business
  • Transfer mission-critical data in stages
  • Test for data integrity at intervals

Question 1: The Event Interception strategy primarily relies upon?

  • “Intercepting” user invocations of APIs
  • “Tapping” into events at the data services layer
  • “Intercepting” function calls within the application
  • “Capturing” events initiated by functions
  • None of the above

Question 2: This is a popular containerization tool:

  • WebSphere
  • MicroProfile
  • git
  • Docker
  • Jenkins

Question 3: In the IBM Garage Method “Envision” is trying to achieve:

  • Consistent performance and SLAs are met
  • Better understand the business domain
  • Discover new business opportunities
  • Create diverse teams and empower them to make decisions
  • Creation of a reliable and repeatable approach for delivering high priority items to customers

Question 4: Which is are the functional problem with a monolithic application architecture? Check all that apply.

  • High cohesion, low coupling
  • High scalability
  • Low Cohesion, high coupling
  • Low learning curves
  • All the above

Question 5: What is the name of the dashboard controlling an OpenShift cluster?

  • Advanced Web Console
  • WebSphere
  • Kubernetes
  • Helm
  • Docker

Question 1: Which is a benefit of a CI/CD process?

  • Cheaper
  • Auditable
  • Faster
  • Repeatable
  • All the Above

Question 2: GitOps is a type of Immutable Infrastructure Practice?

  • True
  • False

Question 3: In Tekton what resource maps fields from an event message?

  • TriggerBinding
  • ServiceAccount
  • Pipeline
  • EventListener
  • Task

Question 4: A CI/CD process is started when?

  • The daily stand-up ends
  • a support ticket is created
  • QA has completed their manual testing script
  • a developer pushes code to a repo
  • A manager gives sign-off

Question 5: Merging code into the main or production branch would happen during this phase:

  • Continuous Deployment
  • Continuous Delivery
  • Continuous Integration
  • Continuous Iteration

Question 1: OpenShift helps organizations operate in a multicloud environment by?

  • Relaxing security barriers
  • Limiting the tools available to developers and operators
  • Providing a consistent dashboard and operating environment
  • Adding an additional layer of complexity

Question 2: How does a Multi-Cloud Architecture improve an organization’s resiliency?

  • Providing failover if a cloud provider experiences an outage
  • Speed delivery to market
  • Allow workloads to be run on client systems
  • Give organization’s leverage during contract negotiations
  • Reducing operational expenses

Question 3: Multi-Cloud Manager Uses these tools to handle the automated provisioning of cloud resources?

  • COBOL, Bash, and vim
  • Jenkins and C++
  • Kubernetes, and Docker
  • Advanced Cloud Manager, Ansible Tower, and Terraform
  • Java, Docker, and Jenkins

Question 4: An organization might adopt a multi-cloud strategy for the following reason?

  • Leverage unique cloud platform advantages
  • Improved Multi-Region support
  • Cost Savings
  • Scale and Resiliency benefits
  • All the Above

Question 5: Multi-Cloud Manager Cloud Pak comes with the capability of monitoring costs and resource usages across cloud platforms?

  • True
  • False

Question 1: What is not a goal of Cloud Native?

  • exploit cloud orchestration and scheduling
  • leverage cloud provider platform training
  • exploit cloud resources and services
  • leverage cloud native technologies

Question 2: Cloud Native applications can take advantage of cloud provider’s…?

  • application data services
  • orchestration and scheduling services
  • application platform services
  • converged infrastructure resources and services
  • All of the above

Question 3: What phases of the Software Development Lifecycle does Cloud Native agility focus on?

  • Idea
  • Build
  • Deploy
  • Code
  • All of the above

Question 4: Using scripts and declarative configuration, that are managed using CI processes, to automate the provisioning and deployment of code is called?

  • Cloud Native Infrastructure
  • Configuration-as-Code
  • Infrastructure-as-Code
  • Cloud Declarative Provisioning

Question 5: Site Reliability Engineering (SRE) practices suggests the creation of what teams separate from product delivery teams?

  • DevSecOps teams
  • Security teams
  • Reliability teams
  • Resiliency teams

Question 6: Which application modernization path utilizes automated CI/CD pipelines?

  • Infrastructural Path
  • Delivery Path
  • Architectural Path
  • None of the above
  • All of the above

Question 7: Virtual Machine (VM) image sizes are typically measured in what units?

  • Megabytes
  • Gigabits
  • Gigabytes
  • Megabits
  • All of the above

Question 8: Why are Virtual Machine (VM) images so large compared to Containers?

  • VMs cannot be compressed or flattened
  • VMs must include a hypervisor
  • VMs must include a full “guest” Operating System
  • VMs must always contain a backup snapshot
  • All of the above

Question 9: Which popular Linux operating system distribution is also available as a base container image?

  • Ubuntu
  • Red Hat
  • Suse
  • All of the above

Question 10: Which of the following is a law or regulation designed to protect a user’s Personal Identifying Information (PII)? Check all that apply.

  • United States Cloud Privacy Regulation (USCPR)
  • European Union Privacy Law 2019 (EUPL2019)
  • General Data Protection Regulation (GDPR)
  • ISO/IEC 27017

Question 11: What are the functional characteristics of a Microservice architecture? Check all that apply.

  • Highly scalable
  • Independent, single purpose services
  • Agile delivery of features
  • High cohesion, low coupling
  • All the above

Question 12: What is a best practice when using the Strangler pattern?

  • Assume reason for complexity
  • Start with “low hanging fruit”
  • Continue to add new features to legacy app during process
  • Only partially migrate
  • Carry over technical debt from existing monolith

Question 13: Containers help ease deployments by:

  • Adding significant overhead when running an application
  • Having long startup times
  • Requiring complex setup when deploying an applications
  • Being difficult to share
  • Packaging all an application’s runtime dependencies

Question 14: The following is a Cloud Pak offered by IBM:

  • Security
  • Integration
  • Data
  • Application
  • All the above

Question 15: After being built container images are stored in a:

  • Floppy Disk
  • Microservice
  • Email
  • Database
  • Container Image Repository

Question 16: Which of the following is NOT part of CI/CD?

  • Continuous Integration
  • Continuous Delivery
  • Continuous Design
  • Continuous Deployment

Question 17: How does defining a CI/CD process in code improve observability?

  • An automated CI/CD process is slower than a manual one
  • Code must be compiled before it can run
  • An automated CI/CD process is faster than a manual one
  • Code can be reviewed independent of execution

Question 18: Which of the following steps occur in Continuous Integration?

  • Configure environment
  • Create a release tag
  • Run automated tests
  • Deploy to stage
  • Deploy to Production

Question 19: This tool can be used to define a GitOps process:

  • ArgoCD
  • Knative
  • Docker
  • Kubernetes
  • Tomcat

Question 20: What does a unit test validate?

  • A system can process a transaction
  • An application can communicate with external systems
  • An application’s internal behavior
  • An application meets visual criteria
  • An application is meeting performance requirements

Question 21: This tool in OpenShift allows additional features and functionality to be added to an OpenShift cluster?

  • Kubernetes
  • IBM Garage
  • Operator Hub
  • Aspera
  • Data Cloud Pak

Question 22: Organizations can combine Hybrid-Cloud and Multi-Cloud architecture?

  • True
  • False

Question 23: Regulatory requirements around data storing and processing often concern?

  • Who has access to the data
  • Where data is processed
  • The type of data stored (e.g. personally identifiable data)
  • Where data is stored
  • All the above

Question 24: How can a Multicloud or Hybrid-Cloud architecture help an organization meet regulatory requirements?

  • Improve resiliency and scale capabilities
  • Improve response time for users
  • Provide greater observability
  • Allow data to be stored and processed in a specific jurisdiction or geographical region
  • All the Above

Question 25: A multicloud architecture can help an organization save on operational costs by?

  • Improve disaster recovery capabilities
  • Provide be multi-region support
  • Allow for hyper-scaling of infrastructure
  • Take advantage of better pricing for certain services or worloads
  • All the Above

Introduction to Building Cloud Native and Multicloud Applications

Building cloud-native and multicloud applications involves leveraging the advantages of cloud computing and distributing workloads across multiple cloud providers for increased resilience, scalability, and flexibility. Here’s a brief introduction to key concepts and considerations in this area:

  1. Cloud-Native Principles:
    • Cloud-native applications are designed to fully leverage cloud computing capabilities. They are typically built using microservices architecture, containerization (e.g., Docker), and orchestration (e.g., Kubernetes).
    • Emphasis is placed on scalability, resilience, and agility. Applications are expected to be elastic, automatically scaling up or down in response to demand, and resilient to failures.
  2. Microservices Architecture:
    • Microservices break down applications into small, loosely coupled services, each responsible for a specific function. This allows for easier development, deployment, and scaling of individual components.
    • Each microservice can be developed, deployed, and scaled independently, promoting agility and reducing the risk of single points of failure.
  3. Containerization:
    • Containers encapsulate application code and dependencies, ensuring consistency across different environments. Docker is a popular containerization platform used for packaging applications and their dependencies into containers.
    • Containers provide lightweight, portable, and isolated runtime environments, making it easier to deploy applications across different cloud environments.
  4. Orchestration with Kubernetes:
    • Kubernetes is a powerful container orchestration platform that automates the deployment, scaling, and management of containerized applications.
    • It provides features such as service discovery, load balancing, self-healing, and rolling updates, enabling efficient management of cloud-native applications at scale.
    • Kubernetes is agnostic to the underlying infrastructure, making it suitable for multicloud deployments.
  5. Multicloud Strategy:
    • A multicloud strategy involves using services from multiple cloud providers to avoid vendor lock-in, increase redundancy, and leverage the strengths of different cloud platforms.
    • Organizations can distribute workloads across multiple cloud providers based on factors such as cost, performance, geographic location, and service availability.
    • Multicloud architectures require careful planning, considering factors like data sovereignty, network latency, security, and interoperability between cloud services.
  6. Service Mesh:
    • Service mesh is a dedicated infrastructure layer for handling service-to-service communication within a microservices architecture.
    • It provides features like traffic management, service discovery, security, and observability, improving the reliability and resilience of distributed applications.
    • Popular service mesh implementations include Istio and Linkerd.
  7. DevOps Practices:
    • DevOps practices are essential for building and operating cloud-native applications efficiently. They emphasize automation, collaboration, and continuous delivery.
    • Automation tools for infrastructure as code (IaC), continuous integration/continuous delivery (CI/CD), and monitoring enable teams to streamline the development, deployment, and management of cloud-native applications.

In summary, building cloud-native and multicloud applications involves adopting modern architectural principles, leveraging containerization and orchestration technologies, and implementing robust DevOps practices to achieve agility, scalability, and resilience in a distributed computing environment.

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