Application Development using Microservices and Serverless Quiz Answers

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
Code 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?

Connects 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
Microservices
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.

False
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
Sequence 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?

Cloudant 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
Actions 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?