1) Explain what is JMeter? JMeter is a Java tool, which is used for performance Load Testing. 2) Explain how JMeter works? JMeter acts like a group of users sending requests to a target server. It collects response from the target server and other statistics which show the performance of the application or server via…
Short description about FluentD Fluentd is an open-source data collector, which lets you unify the data collection and consumption for better use and understanding of data. Moving to the questions and answers 1. What is Fluentd? Answer: Fluentd is an open-source data collector, which lets you unify the data collection and consumption for better use…
1) What is Testing? Testing is the process of checking the functionality of the application whether it fulfills the requirement or not. 2) What is unit testing? The process of testing individual functionality (known as a unit) of the application is called unit testing. 3) Give some disadvantages of manual testing. Following are some disadvantages…
1) What is Selenium and what is composed of? Selenium is a suite of tools for automated web testing. It is composed of Selenium IDE (Integrated Development Environment) : It is a tool for recording and playing back. It is a firefox pluginWebDriver and RC: It provide the APIs for a variety of languages like…
1) Django design pattern? Django follows MVC pattern (Model-View-Controller), also referred to as MTV (Model-Template-View). Model – describes database schemaViews – Controls what user can view. It retrieves data from the table and passes it to the template which is rendered to Browser eventually.Template – Determines how the user sees it.Controller – controls the entire…
Short description about ScikitLearn Scikit-learn is a free machine learning library for Python. It features various algorithms like support vector machine, random forests, and k-neighbors, and it also supports Python numerical and scientific libraries like NumPy and SciPy. Moving to Questions and Answers 1. What is Data Leakage and how do you avoid it in…
The cook InSpec is Associate in Nursing ASCII text file framework for testing and auditing your applications and infrastructure. Cook InSpec works by scrutiny the particular state of your system with the specified state that you simply categorical in easy-to-read and easy-to-write cook inSpec code. Interview Questions and Answers:- 1.Q)What is Chef Inspec? Ans: Chef…
What is New Relic? New Relic is a cloud-based Software as a Service (SaaS) solution for monitoring performance and availability. It sets and evaluates application performance across the environment using a standardised Apdex (application performance index) score. 2. What is the difference between New Relic and Splunk? New Relic is a monitoring tool that can…
1) What is Spring boot? Sprint boot is a Java-based spring framework used for Rapid Application Development (to build stand-alone microservices). It has extra support of auto-configuration and embedded application server like tomcat, jetty, etc. 2) What are the advantages of using Spring Boot? The advantages of Spring Boot are listed below: Easy to understand…
What is Grafana? Grafana is used in allowing visualizing, alerting and exploring metrics where they are stored.It also provides us with the tools used in turning our time series database data in graphs and visualizations.Grafana is an open source analutic and interactive web application and also connects all the supported data.Grafana is written in TypeScript…
The Coverity is a fast, precise, and highly ascendable static analysis solution that helps development and security teams address security and quality defects early in the software development life cycle (SDLC), which tracks and manage risks across the application portfolio, and ensure compliance with security and coding standards. Interview Questions and Answers:- 1. What is…
JavaScript is a programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS. JavaScript’s syntax is heavily inspired by C++ and Java. If you have experience in C++ or Java, JavaScript’s syntax will seem familiar to you. JavaScript is the world’s most popular programming language. History of JavaScript JavaScript was created in 10…
What is Prometheus? Prometheus is developed at soundcloud and integrated into the CNCF, it has the ability for creating user specific customs alerts and notifications which is based on the data through metrics.Prometheus is also used for running ad-hoc queries and minor issues during debugging, its aspect is utilized when integrating with visualization backends. 2.What…
1) What can be monitored using Zabbix? Zabbix provides monitoring metrics, such as network utilization, CPU load and disk space consumption. The software monitors operations on Linux, Hewlett Packard Unix (HP-UX), Mac OS X, Solaris and other operating systems (OSes); however, Windows monitoring is only possible through agents. 2) Is Prometheus better than Zabbix? Prometheus…
What is Kibana? Kibana is an open-source data visualization and exploration tool that is licensed by Apache and platform from Elastic that has large volumes of real-time data streaming. It can easily perform advanced-level data analysis and data visualization in a variety of charts, tables, and maps. Kibana makes it easy to understand larger volumes…
1) Define Splunk It is a software technology that is used for searching, visualizing, and monitoring machine-generated big data. It monitors and different types of log files and stores data in Indexers. 2) List out common ports used by Splunk. Common ports used by Splunk are as follows: Web Port: 8000 Management Port: 8089 Network…
Short description about TensorFlow TensorFlow is an end-to-end open-source platform for machine learning. It has a comprehensive, flexible ecosystem of tools, libraries, and community resources that lets researchers push the state-of-the-art in ML and developers easily build and deploy ML-powered applications. Moving to questions and answers 1. What is TensorFlow? Answer: TensorFlow is the world’s…
In this Blog I am going to cover Top 50 questions and Answers that are more important to know for the interview preparations. Let’s start – What is Logstash? Logstash is an open source data collection engine with real-time pipelining capabilities. Logstash can dynamically unify data from disparate sources and normalize the data into destinations…
1) Explain what is Joomla? Joomla is a content management system. It allows you to build online applications and web sites. Joomla is an open source and available freely. 2) Explain what are mambots and mention their categories? In Joomla mambots are mini-programmes or plugins, which performs programs like modifying content before display, extending the…
1) What is WordPress? WordPress is an Open Source Content Management System (CMS) and a blogging tool, based on PHP and MySQL. It is free of cost, and you can use it for any personal and commercial website. WordPress is the most popular blogging system and used for more than 60 million websites. It is…
Explain in brief about Elasticsearch? Elasticsearch Apache Lucene search engine is a database that stores retrieve and manages document-oriented and semi-structured data. It provides real-time search and analytics for structured or unstructured text, numerical or geospatial data. 2. Can you state the stable Elasticsearch version currently available for download? The latest stable version of Elasticsearch…
1) Can you enumerate the various differences between Supervised and Unsupervised Learning? Ans: Supervised learning is a type of machine learning where a function is inferred from labeled training data. The training data contains a set of training examples. Unsupervised learning, on the other hand, is a type of machine learning where inferences are drawn…
Short Description About maven Maven, a Yiddish word meaning accumulator of knowledge, began as an attempt to simplify the build processes in the Jakarta Turbine project. There were several projects, each with their own Ant build files, that were all slightly different. JARs were checked into CVS. We wanted a standard way to build the…
What is Kotlin? Kotlin is a statically-typed programming language which runs on the JVM. It can be compiled either using Java source code and LLVM compiler. 2. Why you should switch to Kotlin from Java? Kotlin language is quite simple compared to Java. It reduces may redundancies in code as compared to Java. Kotlin can…
Explain what is Perl language? Perl stands for “Practical Extraction and Reporting Language”. It’s a powerful scripting language and is rich in features. Using Perl, we can write powerful and efficient code that can be used in mission-critical projects. 2. What are the various uses of Perl? Perl is used in a mission-critical project –…
1) What do you understand by Artificial Intelligence? List some real-life applications of AI. A) Artificial Intelligence is a branch of computer science wherein the human brain’s cognitive functions are studied and replicated on a machine or a system. The purpose of AI is to create intelligent machines that can mimic human behavior. It is…
What is MATLAB? MATLAB is an acronym for MATrix LABoratory. It is an open-source software/API which was initially developed for the mathematical calculations including matrix operations. The latest version of the software can perform on various types of complex calculations such as data analysis and visualization, scientific and engineering graphics etc. It’s prime features also…
This list is going to be help you in preparation of interviews as it is frequently asked questions. Let’s begin – What is Ajax? Ajax isn’t a generation. It’s numerous technologies, every flourishing in its personal proper, coming collectively in effective new ways. Ajax incorporates: Requirements-primarily based totally presentation the use of XHTML and CSS;…
1) What is AutoML in H2O? H2O’s Automatic Machine Learning (AutoML) H2O is a fully open-source, distributed in-memory machine learning platform with linear scalability. … H2O AutoML can be used for automating the machine learning workflow, which includes automatic training and tuning of many models within a user-specified time-limit. 2) Is H2O driverless AI open…
1) What is Numpy? Ans: NumPy is a general-purpose array-processing package. It provides a high-performance multidimensional array object, and tools for working with these arrays. It is the fundamental package for scientific computing with Python. … A powerful N-dimensional array object. Sophisticated (broadcasting) functions. 2) Why NumPy is used in Python? Ans: NumPy is a…