Application Development using Microservices and Serverless Quiz Answers

All Weeks Application Development using Microservices and Serverless Quiz Answers

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Application Development using Microservices and Serverless Week 01 Quiz Answers

Graded Quiz: Introduction to MicroServices

Q1. Modern software development often uses which of the following along with the twelve-factor application methodology?

  • Databases deployed on VMs
  • Microservices
  • Monoliths
  • SaaS

Q2. In Factor 5: Build, release, run, which stage launches the application’s processes?

  • Run
  • Test
  • Build
  • Release

Q3. In the “What are Microservices?” video example, what happens when a service in the microservices system fails?

  • Developers build a new version of system
  • That service is scaled up
  • The rest of the application should still be functional
  • The application completely fails and stop running

Q4. Which of the following are features of microservices?

  • Each service in container
  • C​ode is updated more slowly
  • Different technology stacks per service
  • Services communicate via APIs

Q5. In SOA, the graphical user interfaces are an orchestration layer that does what?

  • C​onnects microservices together
  • Connect sequences of services to create complete business processes
  • Enable reuse of services across business processes
  • Create units of work

Q6. The main goal of both microservices and service-oriented architecture is to reuse services across an organization.

  • False
  • True

Q7. In Factor 8: Concurrency, why do applications run concurrent processes?

  • To handle logs
  • To more easily work with backing services
  • To handle increased load
  • All of the above

Q8. Which of the patterns for microservices loads one interface that never reloads?

  • Backend for Frontend (BFF)
  • Strangler pattern
  • Single page application (SPA)
  • Adapter microservices pattern

Q9. Which of the patterns for microservices enables customized user experiences for different channels like mobile and web?

  • Single page application (SPA)
  • Aggregate pattern
  • Backend for Frontend (BFF)
  • Strangler pattern

Q10. Which microservices pattern includes three steps: transform, coexist, eliminate?

  • Single page application (SPA)
  • Service discovery pattern
  • Strangler pattern
  • Backend for Frontend (BFF)

Application Development using Microservices and Serverless Week 02 Quiz Answers

Graded Quiz: Introduction to Serverless

Q1. What is one of the benefits that serverless computing provides?

  • Quick access to APIs
  • All-in-one app development platform
  • Tools to help manage server operations
  • Code runs on-demand as needed

Q2. How does FaaS package application code?

  • API Gateways
  • M​icroservices
  • Requests
  • Containers

Q3. In the What is Function as a Service video, a real-world example is shown where a user uploads a photo to a web site and creates a thumbnail image. Which action is performed by a function?

  • User uploads image
  • Message is generated to user
  • User uploads thumbnail
  • Thumbnail is created

Q4. FaaS is considered the originating technology in the serverless category. Which part of the serverless stack does FaaS represent?

  • Storage
  • Communication layer (e.g., messaging)
  • Data layer
  • Core compute and processing engine

Q5. In the serverless stack, which is considered part of the databases and storage layer?

  • Microservices
  • Object storage
  • Functions
  • Containers

Q6. IoT sensor data is often used with serverless computing.

  • F​alse
  • True

Q7. In the compute models comparison, which requires no administration?

  • VMs
  • FaaS
  • PaaS
  • Containers

Q8. Of the four compared compute models, which require the most maintenance?

  • PaaS and VMs
  • FaaS and Containers
  • PaaS and Containers
  • Containers and VMs

Q9. Which of the compared compute models has high availability built in?

  • Containers
  • VMs
  • FaaS
  • PaaS

Q10. A sequence is a chain of actions that are invoked in order. Why are actions invoked in order?

  • REST APIs require orderly sequence of actions
  • Functions can only perform multiple actions
  • The order is determined by who called the function
  • Output of one action is passed as input to the next action

Application Development using Microservices and Serverless Week 03 Quiz Answers

Graded Quiz: ORM: MicroServices w/ Serverless

Q1. After creating an action, you must invoke the action so it can do its task. What are two modes for invoking actions?

  • Activation and activation ID
  • Activation and Activation record
  • Request and response
  • Blocking and non-blocking

Q2. What can you use to pass parameters to actions?

  • A JSON file and the param-file flag.
  • A JSON file and the param-required flag.
  • A JSON file and the object flag.
  • A JSON file and the place flag.

Q3. What do you use to create sequence actions

  • JavaScript
  • S​equence builders
  • Existing actions
  • Proxy actions

Q4. IBM Cloud Functions provides pre-installed libraries to call actions from other actions.

  • True
  • False, this can only be done using HTTP

Q5. What is provided by public packages for IBM Cloud Functions?

  • C​loudant instances
  • Namespaces
  • Actions
  • Triggers feeds

Q6. What command can you use to avoid passing the same parameters to an action every time?

  • ibmcloud fn default parameter
  • ibmcloud fn package bind
  • ibmcloud fn parameter bind
  • ibmcloud fn package join

Q7. How can you set default parameters for all entities in a package?

  • List parameters
  • Sequence actions
  • Set package level parameters that are inherited by all actions
  • Join actions

Q8. What can you use to configure an external event source to fire multiple trigger events?

  • Feed
  • Parameter
  • Sequence action
  • Get command

Q9. If you have already created an action and want to create a trigger to invoke this action, what three options must you include in the rule create command?

  • Rule ID, trigger ID, and action ID
  • Name of rule, trigger, and action
  • Location of rule, name of trigger, and action
  • Name of rule, location of trigger and action

Q10. Why would you expose actions as APIs rather than manually via command line or web console?

  • Actions exposed as APIs have better performance
  • A​ctions are invalid unless they are exposed as APIs
  • Actions called manually don’t integrate well with microservices
  • There is less chance of error

Q11. What is one of the reasons to use the API Gateway service?

  • It’s the only way to create web actions
  • Perform user authentication
  • Perform rate limiting
  • Perform request routing

Q12. According to the Cloud native user survey, what is highest rated challenge Kubernetes users face?

  • Developer user experience improvements
  • Improved serverless support
  • Admin/Operator user experience improvements
  • Multitenancy improvements

Application Development using Microservices and Serverless Week 04 Quiz Answers

Graded Quiz: OpenShift Essentials/Working with OpenShift and Istio

Q1. OpenShift is a platform for running microservices. Which of the following are some of its features?

  • Deploy cloud-native applications
  • Integrate with serverless architectures
  • Sell third-party software
  • Orchestrate containerized workloads

Q2. In the analogy given in the Red Hat OpenShift Recap video, which of the following is analagous to Kubernetes?

  • Ubuntu
  • Fedora
  • Linux kernel
  • Debian

Q3. On which operating system do the nodes in the OpenShift master run?

  • Debian
  • Red Hat Enterprise Linux CoreOS
  • Red Hat Enterprise Linux
  • Ubuntu

Q4. Istio doesn’t encrypt traffic between services, because OpenShift does this already.

  • True
  • False

Q5. What does a service mesh enable?

  • Secure service-to-service communication
  • Troubleshooting
  • Traffic management
  • Third-party software procurement

Q6. After OpenShift builds code into a container image, what does it do?

  • Adds them to a log
  • Classifies them according to projects
  • Deploys them to the cluster
  • Pushes them to the internal registry

Q7. What is the open-source project that powers OpenShift?

  • Origin Kubernetes Distribution OKD
  • Container Optimization Distribution COD
  • Microservices Kubernetes Distribution MKD
  • OpenShift Kubernetes Distribution OSKD

Q8. Red Hat Marketplace solves many concerns when choosing third-party software to use with OpenShift. What is one of these concerns according to the video?

  • How can I secure the software?
  • How can I learn OpenShift?
  • How can I deploy software?
  • How can I get a refund if the software doesn’t work?

Q9. The Red Hat Marketplace provides a one-stop-shop for software certified for OpenShift. Which capabilities are provided by software products in the Marketplace?

  • OpenShift subscriptions
  • Operations managers
  • Installation
  • Seamless upgrades

Q10. A service mesh is a dedicated layer that provides logging capabilities in an OpenShift cluster.

  • False
  • True
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