{"id":73427,"date":"2019-11-04T11:21:10","date_gmt":"2019-11-04T11:21:10","guid":{"rendered":"https:\/\/www.whizlabs.com\/blog\/?p=73427"},"modified":"2023-05-22T04:32:41","modified_gmt":"2023-05-22T10:02:41","slug":"openshift-interview-questions-answers","status":"publish","type":"post","link":"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/","title":{"rendered":"Top 25 OpenShift Interview Questions and Answers"},"content":{"rendered":"<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Many organizations are adopting the DevOps movement without blinking an eye nowadays. Why? Not only improved tools but also improved processes and a culture of collaboration and engagement make DevOps appealing. <a href=\"https:\/\/www.whizlabs.com\/blog\/red-hat-openshift\/\" target=\"_blank\" rel=\"noopener noreferrer\">OpenShift<\/a> has become popular as one of the <a href=\"https:\/\/www.whizlabs.com\/blog\/top-devops-tools\/\" target=\"_blank\" rel=\"noopener noreferrer\">top DevOps tools<\/a>. Therefore, you could find numerous search queries for OpenShift interview questions. <\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Since the majority of organizations adopt the latest technologies in DevOps culture, OpenShift also makes it to the squad. Individuals with promising skills in OpenShift are the priority of many noticeable employers in the present times. The functionality of OpenShift in the form of a Platform as a Service (PaaS) and Container as a Service (CaaS) make it one of the popular DevOps technologies. <\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">So, you can find multiple job prospects with OpenShift expertise alongside the opportunity to advance your career in DevOps. The following discussion aims at presenting an outline of the top OpenShift interview questions. If you&#8217;re a beginner, you can start with the <a href=\"https:\/\/www.whizlabs.com\/blog\/red-hat-openshift\/\" target=\"_blank\" rel=\"noopener\">OpenShift tutorial<\/a> and get ahead. <\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Let us take a look at the OpenShift interview questions and answers for freshers to test your knowledge and prepare for OpenShift interviews.<\/span><\/p>\n<blockquote><p>It is important to learn the basic concepts of OpenShift to crack an OpenShift interview. Enroll for the <a href=\"https:\/\/www.whizlabs.com\/openshift-essentials\/\" target=\"_blank\" rel=\"noopener noreferrer\">OpenShift Basics Course<\/a> to learn the basics.<\/p><\/blockquote>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ea7e02;color:#ea7e02\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ea7e02;color:#ea7e02\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#Frequently_Asked_OpenShift_Interview_Questions_and_Answers\" >Frequently Asked OpenShift Interview Questions and Answers<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#1_What_are_the_features_of_OpenShift\" >1. What are the features of OpenShift?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#2_What_are_deployment_strategies\" >2. What are deployment strategies?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#3_What_are_rolling_deployments\" >3. What are rolling deployments?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#4_What_is_the_Downward_API_in_OpenShift\" >4. What is the Downward API in OpenShift?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#5_Define_the_OpenShift_CLI\" >5. Define the OpenShift CLI.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#6_What_are_the_feature_toggles\" >6. What are the feature toggles?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#7_What_the_systems_on_the_OpenShift_environment_running_on_AWS\" >7. What the systems on the OpenShift environment running on AWS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#8_What_can_you_run_on_OpenShift\" >8. What can you run on OpenShift?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#9_What_type_of_security_controls_can_you_find_on_OpenShift\" >9. What type of security controls can you find on OpenShift?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#10_Outline_the_benefits_of_OpenShift_Origin\" >10. Outline the benefits of OpenShift Origin.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#11_Do_you_know_about_OpenShift_cartridges\" >11. Do you know about OpenShift cartridges?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#12_What_is_the_difference_between_gear_and_container\" >12. What is the difference between gear and container?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#13_What_is_the_Source-to-Image_S2I_strategy\" >13. What is the Source-to-Image (S2I) strategy?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#14_How_OpenShift_uses_Docker_and_Kubernetes\" >14. How OpenShift uses Docker and Kubernetes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#15_What_are_the_build_strategies_in_OpenShift\" >15. What are the build strategies in OpenShift?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#16_Why_do_we_need_DevOps_tools\" >16. Why do we need DevOps tools?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#17_What_is_the_difference_between_OpenShift_and_OpenStack\" >17. What is the difference between OpenShift and OpenStack?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#18_What_are_Build_configurations\" >18. What are Build configurations?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#19_Name_some_identity_providers_in_OAUTH\" >19. Name some identity providers in OAUTH.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#20_Do_you_know_about_OpenShift_Online\" >20. Do you know about OpenShift Online?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#21_Which_projects_can_claim_a_Persistent_Volume_PV_object\" >21. Which projects can claim a Persistent Volume (PV) object?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#22_Name_the_network_plugin_for_providing_connectivity_for_pods_across_an_entire_cluster\" >22. Name the network plugin for providing connectivity for pods across an entire cluster.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#23_What_are_the_unique_components_you_can_find_in_OpenShift_as_compared_to_Kubernetes\" >23. What are the unique components you can find in OpenShift as compared to Kubernetes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#24_What_is_Volume_Security\" >24. What is Volume Security?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.whizlabs.com\/blog\/openshift-interview-questions-answers\/#25_What_do_you_know_about_the_OpenShift_pipeline\" >25. What do you know about the OpenShift pipeline?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_OpenShift_Interview_Questions_and_Answers\"><\/span>Frequently Asked OpenShift Interview Questions and Answers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Candidates will find this entry in almost every list of OpenShift interview questions. But let&#8217;s understand what is OpenShift before moving to our list of top OpenShift interview questions. <a href=\"https:\/\/www.whizlabs.com\/blog\/red-hat-openshift\/\" target=\"_blank\" rel=\"noopener noreferrer\">OpenShift<\/a> is a service platform of the Red Hat. The service platform is ideal for providing developers with many features, like auto-scaling.<\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">The other features include security for deploying new applications and facilities of scalable resources with reliable configuration. OpenShift Enterprise also provides support for different programming languages and related frameworks, application lifecycle, and integrated tools.<\/span><\/p>\n<p style=\"text-align: justify;\">Without any further delay, let&#8217;s move ahead to the most common OpenShift interview questions and answers for freshers.<\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"1_What_are_the_features_of_OpenShift\"><\/span><span class=\"s1\">1. What are the features of OpenShift?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: You can find this entry as one of the most frequently asked OpenShift interview questions. The features of OpenShift include a rich command-line toolset, support for multiple databases and language, and an extensible cartridge system. The other features of OpenShift include the following.<\/span><\/p>\n<ol class=\"ol1\" style=\"text-align: justify;\">\n<li class=\"li1\"><span class=\"s1\">Multi-Environment support.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">One-click deployment.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">Responsive web console.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">Remote application debugging.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">Standardized workflow for developers.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">Rest API support.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">Support for remote SSH login to the application.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">In-built database services.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">Automatic application scaling.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">The facility of support for release management and continuous integration.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">IDE integration.<\/span><\/li>\n<\/ol>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_What_are_deployment_strategies\"><\/span><span class=\"s1\">2. What are deployment strategies?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Deployment strategies are an important part of top OpenShift interview questions. Deployment strategies are instruments for modifying or upgrading an application. With the help of deployment strategies, modifications do not require any form of downtime. The most common deployment strategy is the blue-green deployment strategy. <\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">In this strategy, users keep using the stable version denoted by green while changes are made in the new version denoted by blue. After testing and evaluating the new version in blue color, users can switch to the blue version. If any problem arises, then users could continue with the green version. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"3_What_are_rolling_deployments\"><\/span><span class=\"s1\">3. What are rolling deployments?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Candidates can find this question as a follow-up to the previous mention in this list of OpenShift interview questions. Rolling deployments involve the slow replacement of instances of the old version of an application by instances of a new version of the application. Rolling deployment depends on the readiness check for new pods before scaling down capacities of old components. In the case of significant issues, rolling deployment could be stalled.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"4_What_is_the_Downward_API_in_OpenShift\"><\/span><span class=\"s1\">4. What is the Downward API in OpenShift?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Candidates could find this entry among frequently asked OpenShift interview questions. Downward API is a mechanism for pods to retrieve metadata without the need to call into Kubernetes API. Downward API is ideal for retrieving metadata and configuration of running pods. <\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">The metadata which Downward API can retrieve include labels, annotations, pod name, namespace, and IP address. Downward API can also retrieve information about Pod CPU or memory requests and limits. Downward API may mount certain information on the pod as an environment variable. On the other hand, certain information could also be accessed as files within a volume. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"5_Define_the_OpenShift_CLI\"><\/span><span class=\"s1\">5. Define the OpenShift CLI.<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Candidates should note the importance of CLI to form an OpenShift interview question. OpenShift CLI is a tool for the management of OpenShift applications from the command line. The OpenShift CLI provides abilities for the management of the end-to-end application lifecycle. It has the features for basic and advanced configuration for applications. Also, it includes functionalities for management, deployment, and adding applications.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"6_What_are_the_feature_toggles\"><\/span><span class=\"s1\">6. What are the feature toggles?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Feature toggles are also frequent entries among OpenShift interview questions. These are techniques that help in including old and new versions of a feature in the same code base. However, the versions are surrounded by logic for execution or based on factors such as database switch or property value. Feature toggles help in separating the deployment from usage, single group, and legacy systems, and multiple server groups. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"7_What_the_systems_on_the_OpenShift_environment_running_on_AWS\"><\/span><span class=\"s1\">7. What the systems on the OpenShift environment running on AWS?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The OpenShift environment running on Amazon Web Services includes one master node and one infrastructure node. It also includes an NFS server and 24 application nodes.<\/span><\/p>\n<blockquote><p>You can also broaden your DevOps skills with the knowledge of OpenShift alternatives. Here are the 8 <a href=\"https:\/\/www.whizlabs.com\/blog\/best-openshift-alternatives\/\" target=\"_blank\" rel=\"noopener noreferrer\">Best OpenShift Alternatives<\/a> you should know about.<\/p><\/blockquote>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"8_What_can_you_run_on_OpenShift\"><\/span><span class=\"s1\">8. What can you run on OpenShift?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: This entry is one of the practical and best OpenShift interview questions on this list. OpenShift is ideal for running existing Docker images and defining builds for producing new Docker images using Dockerfile. <span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0<\/span><\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"9_What_type_of_security_controls_can_you_find_on_OpenShift\"><\/span><span class=\"s1\">9. What type of security controls can you find on OpenShift?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: OpenShift interview questions would also revolve around security concerns. The security policy of OpenShift follows certain precedents. Containers could not access host resources or run privileged. Containers have to run as non-root unique users separate from other users. Containers get CPU and memory limits according to definitions by the system administrator. Most important of all, regular users and admins could not change security quotas. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"10_Outline_the_benefits_of_OpenShift_Origin\"><\/span><span class=\"s1\">10. Outline the benefits of OpenShift Origin.<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The benefits of OpenShift Origin may come up among the best OpenShift interview questions. The benefits include running PaaS locally on a system and behind a firewall. OpenShift Origin also helps in improving developer competences with PaaS and the expansion of skills.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"11_Do_you_know_about_OpenShift_cartridges\"><\/span><span class=\"s1\">11. Do you know about OpenShift cartridges?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: OpenShift cartridges have also popped up as an important OpenShift interview question. OpenShift cartridges are central points for developing applications. Every cartridge has specific libraries, build mechanisms, source code, routing logic, and connection logic alongside pre-configured environment. All these factors help in running your application. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"12_What_is_the_difference_between_gear_and_container\"><\/span><span class=\"s1\">12. What is the difference between gear and container?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: You can find the latest OpenShift interview questions focused on difference-based evaluations. The terms \u2018container\u2019 and \u2018gear\u2019 are interchangeable. Containers have a precise mapping involving one-to-one relations among images. However, in the case of gears, many cartridges can become part of a single gear. In the case of containers, pods fulfill the collocation concept. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"13_What_is_the_Source-to-Image_S2I_strategy\"><\/span><span class=\"s1\">13. What is the Source-to-Image (S2I) strategy?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: This strategy involves the creation of source code images through downloading and compilation of the same container. The images are created from the same code, and with a custom strategy, rpm and jar get developed.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"14_How_OpenShift_uses_Docker_and_Kubernetes\"><\/span><span class=\"s1\">14. How OpenShift uses Docker and Kubernetes?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Kubernetes and Docker could work OpenShift in the form of a control system. You can find this question among the latest OpenShift interview questions commonly. The control system helps in enabling many deployment pipelines that are ideal for later use in auto-scaling, testing, and other processes. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"15_What_are_the_build_strategies_in_OpenShift\"><\/span><span class=\"s1\">15. What are the build strategies in OpenShift?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The common build strategies in OpenShift are Docker strategy, custom strategy, Source to Image strategy, and pipeline strategy.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"16_Why_do_we_need_DevOps_tools\"><\/span><span class=\"s1\">16. Why do we need DevOps tools?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The applications of DevOps tools are ideal for improving flexibility in software delivery. In addition to this, DevOps tools also help in improving deployment frequency and reducing failure rates. Furthermore, DevOps tools also help in faster recovery and better time management between repairs.<\/span><\/p>\n<blockquote><p>Also Read: Difference between OpenShift and Kubernetes i.e. <a href=\"https:\/\/www.whizlabs.com\/blog\/openshift-vs-kubernetes\/\" target=\"_blank\" rel=\"noopener noreferrer follow\" data-wpel-link=\"internal\">OpenShift vs Kubernetes<\/a><\/p><\/blockquote>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"17_What_is_the_difference_between_OpenShift_and_OpenStack\"><\/span><span class=\"s1\">17. What is the difference between OpenShift and OpenStack?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Candidates can find this question among crucial OpenShift interview questions. The primary difference is that OpenStack provides Infrastructure as a Service (IaaS). Furthermore, OpenStack is different from OpenShift by providing object storage and block storage to a bootable virtual machine.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"18_What_are_Build_configurations\"><\/span><span class=\"s1\">18. What are Build configurations?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Build configuration resources help in configuration and control of builds. Build configuration includes details about a specific build strategy and the source of developer-supplied artifacts like output image.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"19_Name_some_identity_providers_in_OAUTH\"><\/span><span class=\"s1\">19. Name some identity providers in OAUTH.<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The identity providers in OAUTH are HTTPassword, LDAP, Allow All, Deny All, and Authentication.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"20_Do_you_know_about_OpenShift_Online\"><\/span><span class=\"s1\">20. Do you know about OpenShift Online?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: OpenShift online is the public service of Red Hat for cloud application development and hosting. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"21_Which_projects_can_claim_a_Persistent_Volume_PV_object\"><\/span><span class=\"s1\">21. Which projects can claim a Persistent Volume (PV) object?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Candidates could also find some tough questions like this in OpenShift interviews. The answer suggests indications towards default projects, OpenShift projects, any project, and OpenShift-infra projects. <\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"22_Name_the_network_plugin_for_providing_connectivity_for_pods_across_an_entire_cluster\"><\/span><span class=\"s1\">22. Name the network plugin for providing connectivity for pods across an entire cluster.<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The network plugin that provides connectivity for pods across the entire cluster without any limitations is \u2018ovs-subnet.\u2019<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"23_What_are_the_unique_components_you_can_find_in_OpenShift_as_compared_to_Kubernetes\"><\/span><span class=\"s1\">23. What are the unique components you can find in OpenShift as compared to Kubernetes?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: The components unique to OpenShift in comparison to Kubernetes are the Internal registry and Router as an ingress traffic control.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"24_What_is_Volume_Security\"><\/span><span class=\"s1\">24. What is Volume Security?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: Volume Security is ideal for the security of PV and PVC projects in OpenShift. Controlling access to volumes in OpenShift involves four main sections. The sections are Supplemental groups, fsGroup, seLinuxOptions, and runAsUser.<\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"25_What_do_you_know_about_the_OpenShift_pipeline\"><\/span><span class=\"s1\">25. What do you know about the OpenShift pipeline?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Answer: OpenShift pipeline is a tool for obtaining control over developing, deployment, and promotion of applications on OpenShift. OpenShift pipeline depends considerably on the Jenkins Pipeline Build Strategy, OpenShift Domain Specific Language (DSL), and Jenkins files.<\/span><\/p>\n<blockquote>\n<p style=\"text-align: justify;\">Red Hat OpenShift Platform 4 provides a robust, scalable, and flexible environment for the deployment of cloud applications. Don&#8217;t forget to check out the <a href=\"https:\/\/www.whizlabs.com\/blog\/openshift-4-new-features\/\" target=\"_blank\" rel=\"noopener noreferrer\">OpenShift 4 New Features<\/a> before getting ready for the OpenShift interview.<\/p>\n<\/blockquote>\n<h4 class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Final Words<\/span><\/h4>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">Now that you have taken a look at some of the important OpenShift interview questions, it is the right time to take the step forward. You can find diverse sources to read many interview questions and answers related to OpenShift. The interesting thing about these sources is that many of them have overlapping questions and answers. <\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">It practically implies that a common share of questions is always expected in an OpenShift interview. However, your preparations should not lack in any manner. You can strengthen your preparations for the interview by referring to practice test questions. If you are a beginner, we&#8217;d recommend you to join the <a href=\"https:\/\/www.whizlabs.com\/openshift-essentials\/\" target=\"_blank\" rel=\"noopener noreferrer\">OpenShift Basics Course<\/a> to understand productive approaches to address scenario-based questions on OpenShift.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many organizations are adopting the DevOps movement without blinking an eye nowadays. Why? Not only improved tools but also improved processes and a culture of collaboration and engagement make DevOps appealing. OpenShift has become popular as one of the top DevOps tools. Therefore, you could find numerous search queries for OpenShift interview questions. Since the majority of organizations adopt the latest technologies in DevOps culture, OpenShift also makes it to the squad. Individuals with promising skills in OpenShift are the priority of many noticeable employers in the present times. The functionality of OpenShift in the form of a Platform as [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":73436,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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N","author_link":"https:\/\/www.whizlabs.com\/blog\/author\/dharmalingam\/"},"uagb_comment_info":3,"uagb_excerpt":"Many organizations are adopting the DevOps movement without blinking an eye nowadays. Why? Not only improved tools but also improved processes and a culture of collaboration and engagement make DevOps appealing. OpenShift has become popular as one of the top DevOps tools. Therefore, you could find numerous search queries for OpenShift interview questions. Since the&hellip;","_links":{"self":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts\/73427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/comments?post=73427"}],"version-history":[{"count":14,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts\/73427\/revisions"}],"predecessor-version":[{"id":88981,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/posts\/73427\/revisions\/88981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/media\/73436"}],"wp:attachment":[{"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/media?parent=73427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/categories?post=73427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.whizlabs.com\/blog\/wp-json\/wp\/v2\/tags?post=73427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}