Preparation for Job Interviews

Frequently asked R Programming Interview Questions and Answers handpicked by Credo Systemz’s placement team. 1. What is CLI in R? CLI stands for Command Line Interface. In a command line interface, you type commands that you want to execute and press return. For example, if you type the line 2+2 and press the return key, R will give you the result [1] 2. In R how you can import Data? You use R commander to import Data in R, and there are three ways through which you can enter data into it which are as follows, You can enter data directly via Data  New Data Set Import data from a plain text (ASCII) or other files (SPSS, Minitab, etc.) Read a dataset either by typing the name of the data set or selecting the data set in the dialog box 3. What are the applications of R? Many data analysts and research programmers use R because R is the most prevalent language. Hence, R is used as a fundamental tool for finance. Many quantitative analysts use R as their programm...

 AngularJS is a JavaScript framework that is used for making rich, extensible web applications. What is AngularJS? AngularJS is open source client side MV* (Model – View – Whatever) framework for creating dynamic web applications. It gives life to your static HTML and makes it dynamic with its magic. It extends HTML using directives, expression and data binding techniques to define a powerful HTML template. 2. What are the uses of AngularJS? Below are the uses of AngularJS – It uses MVC pattern. Allows to create our own directive for making components reusable. Used for two way binding i.e, connecting model and view. Supports Dependency Injection (DI) 3. Explain what are the key features of Angular.js ? The key features of angular.js are: => Scope => Controller => Model => View => Services => Data Binding => Directives => Filters => Testable 4. List out the advantages of AngularJS? Below is the list of advantage...

Important 100! DevOps Interview Questions & Answers: 1. What is DevOps? It is a newly emerging term in the IT field, which is nothing but a practice that emphasizes the collaboration and communication of both software developers and other information technology (IT) professionals. It focuses on delivering software product faster and lowering the failure rate of releases. 2. What are the core operations of DevOps in terms of development and Infrastructure? The core operations of DevOps are: Application development, Code developing, Code coverage, Unit testing, Packaging, Deployment with infrastructure, Provisioning, Configuration, Orchestration, Deployment. 3. What is Version control and it uses? It is a system that records changes to a file or set of files over time so that you can recall specific versions later. Uses of Version control Revert files back to a previous state. Revert the entire project back to a previous state. Compare changes over...

Collect the important Hadoop interview questions and answers from top MNCs, Make use of it to crack the interview easily. 1. What is Apache Hadoop? Hadoop is an open source software framework for distributed storage and distributed processing of large data sets. Open source means it is freely available and even we can change its source code as per our requirements. Apache Hadoop makes it possible to run applications on the system with thousands of commodity hardware nodes. It’s distributed file system has the provision of rapid data transfer rates among nodes. It also allows the system to continue operating in case of node failure. 2. Main Components of Hadoop? Storage layer – HDFS Batch processing engine – MapReduce Resource Management Layer – YARN HDFS – HDFS (Hadoop Distributed File System) is the storage unit of Hadoop. It is responsible for storing different kinds of data as blocks in a distributed environment. It follows master and slave topolo...

Make use of this frequently asked 100 Machine Learning Interview Questions & Answers collected by our placement team, Useful Link:  Machine Learning Topics Free PDF 1. What is machine learning? In answering this question, try to show you understand of the broad applications of machine learning, as well as how it fits into AI. Put it into your own words, but convey your understanding that machine learning is a form of AI that automates data analysis to enable computers to learn and adapt through experience to do specific tasks without explicit programming 2. What is candidate sampling in machine learning? A training-time optimization in which a probability is calculated for all the positive labels, using, for example, softmax, but only for a random sample of negative labels. For example, if we have an example labeled beagle and dog candidate sampling computes the predicted probabilities and corresponding loss terms for the beagle and dog class outputs in ad...

You can easily crack your interview by this collected list of Top MNCs Selenium Interview Questions, Accenture Selenium Interview Questions Amazon Selenium Interview Questions Altimetrik Selenium Interview Questions Aspire Selenium Interview Questions Bank of America Selenium Interview Questions CSC Selenium Interview Questions CSS Corp Selenium Interview Questions CTS Selenium Interview Questions Dell Selenium Interview Questions L&T Selenium Interview Questions Photon Infotech Selenium Interview Questions Tech Mahindra Selenium Interview Questions Virtusa Selenium Interview Questions Wipro Selenium Interview Questions Xerago Selenium Interview Questions Top 100 Selenium Interview Questions and Answers Please contact us at +91- 9884412301 / 9600112302 to join our  Selenium Certification Course with placements. Search Tags: selenium training  |  top selenium training in chennai  |  selenium placement training in chennai...