What is ELM programming? Elm is a domain-specific programming language for developing web browser-based graphical user interfaces. Elm is completely functional and has developed with an emphasis on usability, performance, and durability. It give publicity to “no runtime exceptions in practice”, made possible by the Elm compiler’s static type checking. 2. Where is Elm used?…
A quick discussion about Hadoop Apache Hadoop is an open-source framework that is used to efficiently store and process large datasets ranging in size from gigabytes to petabytes of data. Instead of using one large computer to store and process the data, Hadoop allows clustering multiple computers to analyze massive datasets in parallel more quickly….
1) What is Ruby programming language? Ruby is a dynamic, reflective, open source programming language that aims on simplicity and productivity.Ruby has a blended functions of Perl, small talk, Eiffel, Ada and Lisp. Ruby was designed to developed a new language which makes a stability with the functionality of Imperative languages. 2) Who is the…
Introduction NumPy is the fundamental package for scientific computing in Python.NumPy arrays facilitate advanced mathematical and other types of operations on large numbers of data. Typically, such operations are executed more efficiently and with less code than is possible using Python’s built-in sequences. It is a Python library that provides a multidimensional array object, various…
Bash Scripting is a powerful a part of system administration and development used at an extreme level. It’s utilized by the System directors, Network Engineers, Developers, Scientists, and everybody UN agency use Linux/Unix package. They use Bash for system administration, knowledge crunching, net application preparation, automatic backups, making custom scripts for numerous pages, etc. Script:…
Let’s have a quick discussion about oracle Oracle Database is the oldest database designed for enterprise grid computing, the most flexible and budget-effective way to manage information and applications. Enterprise grid computing creates large pools of industry-standard, modular storage, and servers. It is a database management software product. A database contains an organized collection of…
Which argument would you use in a Python function to obtain a dictionary of all the named arguments passed? Keyword Arguments (**kwargs) (Ans) *args The NoneType argument Regular function arguments To create a virtual environment, you use the following command: virtualenv-create virtualenvironment virtualenv (Ans) virtual-env A nested function can access its parent’s function variable and…
What Python function is used to open files? open_file() file() new_file() open() (Ans) What does the pass keyword do? Passes control to another function Continues to the next iteration of a loop it is a no-op (Ans) Raises an exception What are with-blocks used for? Writing to files Defining functions Resource management (Ans) Looping over…
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…
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…
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…
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?…
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…
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…
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…
What is SVN? What is “branch” , “Tag” and “Trunk” in SVN ? what do you mean by “Synchronizing with Repository” ? How is it different from “Update” ? Difference between Update and Commit ? How to apply a patch in SVN ? What if SVN Update gives Merge Conflicts and you just want your…
What is continuous integration? Jenkins Continuous integration API features? Advantages of jenkins? Jenkins plugins? Requirements for using Jenkins? Installing Jenkins on Ubuntu and RHEL? Process to take Jenkins backup and copying files? Top 20 Jenkins and Useful Plugins? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I…
Interview Questions Sets : Shell Script Descriptive Questions Sets What is shell scripting? Shell scripting is used to program command line of an operating system. Shell Scripting is also used to program the shell which is the base for any operating system. Shell scripts often refer to programming UNIX. Shell scripting is mostly used to…
Is there a way to use the current date in the POM? Take a look at the buildnumber plugin. It can be used to generate a build date each time I do a build, as follows: org.codehaus.mojo maven-buildnumber-plugin 0.9.4 {0,date,yyyy-MM-dd HH:mm:ss} timestamp false false validate create pom.xml or settings.xml? What is the best practice configuration…