What Docker technologies are available to support communication between containers? Docker connect and bridge networks Docker linking and bridge networks (Ans) Docker connect and alias networks None of these Bridge networks can be defined in Docker Compose files. False True (Ans) What command can be run to download an image from Docker Hub? docker images…
Which of the following open-source tools is the underlying technology for Docker Swarm? containerd SwarmKit (Ans) Kubernetes InfraKit The Docker daemon Docker UCP implements RBAC via Grants. Which of the following make up a Grant? Subjects, roles, and nodes Subjects, roles, and collections (Ans) Roles and collections Which of the following built-in Docker networks creates…
Which of the following best decribes a Docker Image? A read-write template for starting one or more containers A point-in-time snapshot of a container used for backups A data volume that can be mounted inside of a container A read-only template for starting one or more containers (Ans) You have two services running on a…
Which of the following are true about Docker volumes? They must exist on a SAN or NAS They are decoupled from containers (Ans) They are higher performance than graph driver (snapshotter) storage They are RAID protected Which of the following commands will list all of the Docker volumes on a particular Docker host? docker system…
What is the preferred way to deploy and manage a Docker Stack? The declarative way via config files (Ans) The imperative way via commands Which of the following Docker Engine component is a Cloud Native Computing Foundation (CNCF) project? containerd (Ans) The Docker Remote API runc The daemon Which components constitute the control plane aspects…
Which of the following are top-level keys in a stack file (Compose v3 file)? Version, deployments, networks, volumes Version and services Version, services, networks, volumes (Ans) Services, pods, networks, volumes Which of the following is an advantage of Multi-stage Builds? Multi-platform images Better image documentation Faster image builds Smaller images (Ans) Which of the following…
Which of the following is a recommended best practice? Keep your images small (Ans) Never use the latest image in a repo Use large images containing lots of tools Only use Docker Hub Where are Secrets mounted on Linux-based Docker hosts? An encrypted volume mounted at /run/secrets An in memory (tempfs) volume at /run/secrets (Ans)…
Which of the following is needed to deploy a Docker Stack? Compose v2 file format Kubernetes Compose v3 file format Docker Cloud (Ans) What is the name of the configuration file that describes how to build a new Docker image with your app-code inside? dockerfile (Ans) config.json docker-file dockerfile.json Which of the following is the…
How does “technical debt” make it hard to become a software-driven company? Technical debt is paid off by business units that do not trust IT. Attention paid to existing investments prevents focus on new ones. (Ans) Too much technical debt means that you can’t automate systems. Technical debt cannot be paid off without support from…
Why do we make a new cookbook dependent upon one or more different cookbooks? So that we don’t breach copyright So that we can make use of Berkshelf So we can avoid having to duplicate code (Ans) So that we can manage a node running Linux So that we can upload the cookbook to Chef…
Which is the right repository definition should be inserted in pom.xml for uploading snapshot artifactory? Which is the right repository definition should be inserted in pom.xml for uploading release artifactory? Which is the right repository definition should be inserted in pom.xml which holds release and snapshot artifactory? What maven elements should be added in setting.xml…
What is the best way to allow a Docker client running in a container access to the underlying Docker host? Map the root filesystem to the container. You shouldn’t do this; instead, run Docker in Docker. Configure the container to communicate with the Docker Host over a network socket. Map /var/run/docker.sock to the container. (Ans)…
How would you ensure your application is configured correctly for different types of tests? This is not possible. Create multiple configuration files for your application, one per type of test. (Ans) Use multiple machines, one per type of test. Clone multiple copies of your application, one per type of test. Which statement best describes Docker…
You can add groups inside of groups when: You add existing group names under a [groupname:children] definition (Ans) You cannot add groups within groups. You add existing group names under a [groupname] definition Which statement describes the best approach to integration testing across system boundaries? Create a single Docker container, run both systems inside the…
You can merge multiple inventory files to scale out. True False (Ans) A __ module may be pulled from repository at a future time. Bronze Core Deprecated (Ans) Extra The location with the highest precedence value (most preferred) for configuration options is: Environment Variable (Ans) It’s the first loaded configuration file. ansible.cfg in current directory…
Of the following, which is the best description of Splunk? Splunk is a log collector. Splunk is a business intelligence tool. Splunk is operational intelligence that consumes and makes machine data useable and valuable. (Ans) Splunk is an alerting tool. What are the building blocks of a Splunk App? Configuration files (Ans) Data sources Reports…
Is it right definition of Sonarqube? SonarQube (formerly Sonar) is a quality management platform focusing on continuous analysis of source code quality. YES (Ans) NO Which is not a severities in this list Blocker Critical Major Biggest (Ans) Is it right defintion of SonarQube Scanners? The SonarQube Scanner is recommended as the default launcher to…
Where is the Puppet configuration file stored? /etc/puppet/puppet.conf (Ans) /var/lib/puppet/puppet.conf /usr/share/puppet/puppetmaster.conf Puppet can manage all of following operating systems except… Mac OS X Windows Unix Solaris FreeBSD None of these. Puppet can manage all of them. (Ans) Which is true about resource parameters/attributes? They are variable declarations They are attribute/value pairs separated by a colon…
What are the parts of the task lifecycle Execution Initialization, Configuration, Execution (Ans) Initialization, Configuration, Execution, Finalization Configuration, Execution How do you declare a typed task? task copyImages (type: Copy) (Ans) Copy copyImages task copyImages (Copy) In a multi project build which two files do I need to add to the top level project? build.gradle…
Q1. What is GIT? Git is a distributed version control system and source code management (SCM) system with focus to handle small and large projects source code versions in the local repository with speed and efficiency. It is free and open source and its one of widly used versioning tools used ever worldwide. Q2. What…
Question 1 – Add containers to a Kubernetes pod on runtime or Allow containers to be added to a running pod Answer: Adding or removing containers to a pod is not possible, since the container list in the pod spec is immutable. However, you can create a POD with multiple Containers at Instantiation of pod….
What are the parts of the task lifecycle? A. Configuration, Execution B. Initialization, Configuration, Execution C. Initialization, Configuration, Execution, Finalization D. Execution Ans: B. Initialization, Configuration, Execution If I want to run a java application which plugin do I use? A. java B. run C. application D. java-runner Ans: C. application What does the wrapper…
External data sources must return information in what format? A. XML B. HTML C. JSON D. YAML Ans: C. JSON Which of the following is an example of Source Control Management software? A. Jenkins B. Visual Studio Code C. Docker D. Git Ans: D. Git Why would you use a partial configuration for a backend?…
TABLE OF CONTENTS 1…… General Assessment Questions. 2 1.1 Questions to analyze the development process description.. 2 1.2 Questions to characterize the project application.. 2 1.3 Questions to identify the supporting tools. 2 2…… Assessment on Configuration and Change Management 2 2.1 Project/Development Managers. 2 2.2 Developers. 3 2.3 Testers. 3 2.4 Configuration Manager. 3 3…… Assessment on Build and Release Management.. 3 3.1 Build Engineer. 3 3.2 Release Engineer. 4 1 General Assessment Questions 1.1 Questions to analyze the…
scmuser created the topic: $# and $* questions If a script is run as foo -l -t bar [1-3], what are the values of $# and $*? does it make any difference if the options are combined? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share…
Source – http://hub.scalr.com/blog/top-questions-on-server-configuration-management-tools-chef-puppet-and-ansible-2 As a quick recap, configuration management tools enable companies to standardize and automate their infrastructure. Through standardization, you can build systems that are platform independent (i.e. instead of relying on AMIs or provider specific toolsets). These tools also make it easy reproduce servers for scaling or testing, and recover from disaster quickly…
Git Interview Questions and Answer Part – 1 Git Interview Questions and Answer Part – 2 Git Interview Questions and Answer Part – 3 Git Interview Questions and Answer Part – 4 Git Interview Questions and Answer Part – 5 Git Interview Questions and Answer Part – 6 Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about…
What do you understand about DevOps? Can you please define it in your terminologies? What are the ways, DevOps will help the Software Projects and Team? What is Continuous Integration? Share your approach which you applied in your projects in order to implement CI. What is difference between Continuous Delivery and Continuous Deployment? How Jenkins…
TFS Interview Questions 1) What is Team Foundation Server? What does it cover – version control? build processes? bug tracking? task management? Team Foundation Server is defined in the documentation as: Team Foundation is a collection of collaborative technologies that support a team effort to deliver a product. While the Team Foundation technologies are typically…
Source – learn.chef.io What is a resource? Answer- A resource represents a piece of infrastructure and its desired state, such as a package that should be installed, a service that should be running, or a file that should be generated. Question: What is a recipe? Answer- A recipe is a collection of resources that describes…