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Containers and Cloud Native are the most significant invention in IT since the introduction of virtualization. Everyone from a small startup to a large multinational corporation is transitioning to this technology and they are looking for people who have the skills.
After completing this course, you will be able to build applications the Cloud Native way and be able to deploy your applications at a scale that will make Google envious.
This course introduces you to containers and explains how containers differ from virtual machines. It also covers the importance of containers in cloud computing as well as the emerging ecosystem of related technologies such as Docker, Kubernetes, OpenShift, and Istio.
This course is of interest to anyone who wants to be a cloud practitioner and use container skills as developers, architects, system engineers, network specialists and many other roles. The material also serves the needs of those who perform the tasks of advising, building, moving and managing cloud solutions.
Module 1 – Understanding the Benefits of Containers
Question: Which of the following are benefits of containers?
Question: What is an image?
Question: In this sample Dockerfile, what does the FROM instruction do?
FROM ubuntu:18.04
COPY . /app
RUN make /app
CMD python /app/app.py
Question: What does the docker build command do?
Question: You can use the Docker COPY instruction to copy files from your local machine to a container.
Module 2 – Understanding Kubernetes Architecture
Question: Which of the following statements describes what Kubernetes is?
Question: Which of the following components is part of the Kubernetes control plane?
Question: Which of the following are Kubernetes objects?
Question: Which Kubernetes object represents a single instance of processes running in a container?
Question: In this sample kubectl command, what does create do?
kubectl create -f nginx.yaml
Module 3 – Managing Applications with Kubernetes
Question: Which of the following statements describes what a ReplicaSet does? Select all that apply.
Question: Which of the following Kubernetes objects are used to run applications? Select all that apply.
Question:In this sample kubectl command, what does get deployments tell us? Select all that apply.
» kubectl get deployments
NAME | READY | UP-TO-DATE | AVAILABLE | AGE |
---|---|---|---|---|
Nginx-deploy | 1/3 | 1 | 1 | |
3s |
Question: Which of the following Kubernetes objects is used to store and manage sensitive information?
Question: Which of the following can be used to create ConfigMaps? Select all that apply.
Module 4 – The Kubernetes Ecosystem
Question: Which of the following most accurately describes the relationship between Red Hat OpenShift and Kubernetes?
Question: Which of the following are Red Hat OpenShift build triggers? Select all that apply.
Question: Which of the following are possible with Istio service mesh? Select all that apply.
Question: Which of the following are types of operators available in OperatorHub? Select all that apply.
Question: Image streams can point to images in which of the following locations. Select all that apply.
Final Exam
Question: What does the Docker CLI build command do?
Question: In this sample Dockerfile, what does the FROM instruction do?
FROM alpine:3.9
COPY . /app
RUN make /app
CMD python /app/app.py
Question: Containers include a guest operating system in every instance.
Question: In this sample docker build command, what does the -t option do?
docker build -t my-app:v1 .
Question: You use the docker push command to distribute an image to a registry.
Question: Which of the following statements describes what Kubernetes is? Select all that apply.
Question: Which of the following are container runtimes? Select all that apply.
Question: Which of the following Kubernetes objects can you use to segregate a cluster by team or project?
Question: Which Kubernetes object provides updates to Pods and ReplicaSets?
Question: In this sample kubectl command, what does create do?
kubectl create -f pod.json
Question: How are ReplicaSets often created?
Question: Which of the following Kubernetes objects are used to run applications? Select all that apply.
Question: Which of the following are used to provide ConfigMaps to Pods and Deployments? Select all that apply.
Question: What Kubernetes capabilities enable an application to increase the number of Pods based on traffic? Select all that apply.
Question: What does the following command do?
kubectl get secrets –namespace=default
Question: What is the Istio service mesh used for? Select all that apply.
Question: Kubernetes is the sole project hosted by the CNCF.
Question: OpenShift can be run in which of the following environments? Select all that apply.
Question: What is the open source upstream version of OpenShift called?
Question: Which of the following build strategies injects application source code into builder images without having to write a Dockerfile?
Question: Image streams contain complete image data.
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