1) What is DevOps? DevOps is Development and Operation’s Collaboration, it’s a Union of 3Ps – Process, People and Product (working Product) that enable continuous integration and continuous delivery of value to our end users. DevOps accelerate the process to deliver applications and software services at high speed and high velocity. So that organization can…
General Knowledge: Installation and Configuration: Artifact Management: Security and Access Control: Integration and Automation: Troubleshooting and Maintenance: Best Practices and Optimization: Sonatype Nexus is a repository manager that organizes, stores, and distributes artifacts needed for development. It can be used to host both public and private software repositories. Some of the benefits of using Sonatype…
1. What is Spring Boot? Spring Boot is a framework that makes it easy to create stand-alone, production-grade Spring applications. It provides a number of features that make it easier to develop, run, and deploy Spring applications, including: 2. What are the benefits of using Spring Boot? There are many benefits to using Spring Boot,…
1. What is Jenkins? Jenkins is an open-source automation server that helps automate various aspects of software development, such as building, testing, and deploying code. It allows developers to set up continuous integration and continuous delivery (CI/CD) pipelines, streamlining the development and release process. 2. How can I install Jenkins? You can install Jenkins by…
General Questions Element Identification and Interaction Multiple Device Support Native and Hybrid App Automation WebView Automation Testing Framework Integration Gestures and Actions Test Configuration and Management Error Handling and Debugging Performance and Efficiency Handling Dynamic Elements Selendroid Grid and Distributed Testing Cross-Browser Testing Handling Alerts and Pop-ups Upcoming Features and Updates Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud…
1) If you were asked to review a colleague’s code that they had written, what key things would you look for? For this question, your interviewer will obviously be looking to hear that you have adequate knowledge when it comes to coding processes. But most importantly, your interviewer will be looking to gauge your ability…
1) A huge part of our business here at Slack is designing software for iOS. In this role, how would you steer away from retain cycles when using closures in Swift programming language? This question allows your interviewer to assess your technical knowledge and skills in designing apps for iOS products in a very simple…
1) What Is Postfix And Default Port Used For Postfix ? Postfix is a open source MTA (Mail Transfer agent) which is used to route & deliver emails. Postfix is the alternate of extensively used Sendmail MTA. Default port for postfix is 25. 2) What Is The Difference Between Postfix & Sendmail ? Postfix uses…
1) You are not given the tools you need to be successful. How would you change that In Exim? State a business case to your manager / leader as to why you need the tools and make the request for them. 2) What type of people do you not work well with? Be very careful…
1) What is Apache Kafka? Apache Kafka is a publish-subscribe open source message broker application. This messaging application was coded in “Scala”. Basically, this project was started by the Apache software. Kafka’s design pattern is mainly based on the transactional logs design. 2) Enlist the several components in Kafka. The most important elements of Kafka…
1) What is RabbitMQ? RabbitMQ is an open-source message-broker software is also known as message queueing technology. It defines queues to which applications communicate for data transfer, or message transmission. Any kind of information could be included in a message. This message is processed by the recipient application. 2) When and why to use RabbitMQ?…
1) Is HAProxy a load balancer? HAProxy (High Availability Proxy) is open source proxy and load balancing server software. It provides high availability at the network (TCP) and application (HTTP/S) layers, improving speed and performance by distributing workload across multiple servers. 2)What are the different types of load balancers? Elastic Load Balancing supports the following…
1) What is the ambassador program? An ambassador program is a standardized process companies create to find, recruit, manage, pay, and track brand ambassadors. Having a well-defined process helps companies onboard and work with ambassadors effectively. This way, brands can keep recruiting efficiently without having to plan each time it happens. 2) Which brand ambassador…
1) What is Traefik software? Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that makes deploying microservices easy. Traefik integrates with your existing infrastructure components (Docker, Swarm mode, Kubernetes, Marathon, Consul, Etcd, Rancher, Amazon ECS, …) and configures itself automatically and dynamically. 2) What are use cases of Traefik? The main…
1) Who owns Linkerd? the Cloud Native Computing FoundationLinkerd is hosted by the Cloud Native Computing Foundation (CNCF). The CNCF owns the trademark; the copyright is held by the Linkerd authors themselves. 2) When was Linkerd created? 2016Linkerd is a service mesh that provides critical observability, security, and reliability features to cloud native applications without…
1) What Is Checkpoint? / Does Consul Call Home? Consul makes use of a HashiCorp service called Checkpoint which is used to check for updates and critical security bulletins. Only anonymous information, which cannot be used to identify the user or host, is sent to Checkpoint. An anonymous ID is sent which helps de-duplicate warning…
1) What is Istio and how it works? An Istio service mesh is logically split into a data plane and a control plane. The data plane is composed of a set of intelligent proxies (Envoy ) deployed as sidecars. These proxies mediate and control all network communication between microservices. They also collect and report telemetry…
1) What is Envoy software used for? Envoy’s workplace platform has redefined how companies welcome visitors, keep employees safe, book desks and conference rooms, and manage deliveries in over 14,000 locations around the globe by designing products for a flexible workplace experience. 2) What is Envoy system? Envoy Visitors is a digital visitor management system…
1) What is Helm? Helm Charts assist you in defining, installing, and upgrading even the most complicated Kubernetes application. … Helm is a CNCF-graduated project that is supported by the Helm community. 2) What are the advantages of Helm? Helm helps in three ways: increases productivity, reduces the complexity of microservice deployments, and allows for…
1) What is Kubernetes? Kubernetes is a container management system developed in the Google platform. The purpose of Kubernetes is to manage a containerized application in various types of physical, virtual, and cloud environments. Google Kubernetes is a highly flexible container tool to deliver even complex applications, consistently. Applications run on clusters of hundreds to…
1) How to fix a broken build for your project in Jenkins and how to make sure project build doesn’t break in Jenkins at all? The user needs to open the console output for the build and will try to see if any file changes that were missed during building the project. If there are…
1) Is TeamCity a CI or CD? TeamCity is a general-purpose CI/CD solution that allows the most flexibility for all sorts of workflows and development practices. The Projects Overview lets you quickly check the status of your builds, see what triggered them, download the latest build artifacts, and more. 2) What is TeamCity and octopus?…
1) What exactly do you know about release planning? It is basically a common approach in Bamboo. It must be done at least once a week. There are certain features that make it simply the best approach. Rough estimations are generally done when it comes to the starting backlog. Everything is calculated in points and…
1) Where Does The Name “cobertura” Come From? “Cobertura” is the Spanish and Portuguese word for “coverage.” We were trying to avoid acronyms and coffee references. It’s not too hard to associate the word “cobertura” with the word “coverage,” and it even has a bit of a zesty kick to it! 2) What Is Cobertura?…
1) What is code coverage analysis? A code coverage analyzer monitors your code at runtime and records information about which lines of code were executed. NCover shows each sequence point in your application along with the number of times that point was executed. Sequence points are generated by the compiler and stored in the debug…
1) Is JaCoCo only for Java? JaCoCo supports Java class files from version 1.0 to 16. However the minimum JRE version required by the JaCoCo runtime (e.g. the agent) and the JaCoCo tools is 1.5. 2) What is difference between JaCoCo and SonarQube? JaCoCo: A code coverage library for Java. It is a free code…
1) What is smoking? In unit testing, we use mocking. An object you want to test may have other complex object dependencies. You replace the other objects with mocks simulating the behavior of the real objects to isolate the conduct of an object that you wish to test. So mocking creates objects in simple words…
1) What Is A Bug? A computer bug is an error, flaw, mistake, failure, or fault in a computer program that prevents it from working correctly or produces an incorrect result. 2) What Is A Test Case? Test case is set of input values, execution preconditions, expected results and execution Post conditions, developed for a…
1) Describe various types of mobile applications Mobile applications are of the following three types: Native Applications: Applications that are created with the help of iOS and Android SDK are Native Applications. Native applications developed in Android will not work on iOS phones and will not be available on iOS App Stores. Native applications designed…
The Fortify could be a static application security testing (SAST) giving utilized by development teams and security professionals to research the ASCII text file for security vulnerabilities. It reviews code and helps developers determine, prioritize, and resolve problems with less effort and in less time. Interview Questions and Answers:- What is Fortify and how does…