Interview Questions

Q1 : What are the features of Node.js? A : Node.js is a single-threaded but highly scalable system that utilizes JavaScript as its scripting language. It uses asynchronous, event-driven I/O instead of separate processes or threads. It is able to achieve high output via single-threaded event loop and non-blocking I/O. Q2 : In which Language Node Js is written ? A : Node js is written in C, C++,JavaScript.It uses Google’s open source V8 Javascript Engine to convert Javascript code

Q1 : What are minimum requirements to run WordPress? A : PHP 7 or greater MySQL 5.6 or greater OR MariaDB 10.0 or greater The mod_rewrite Apache module HTTPS support(Recommended) Q2 : What is the difference between wordpress.com and wordpress.org ?  A : The difference is in who’s hosting your site. With org, YOU host your website or blog. This is where you find the open source software to download.-com, THEY host for you. Q3 : How safe is a

Q1 : What is Hadoop Big Data Testing? A : Big Data means a vast collection of structured and unstructured data, which is very expansive & is complicated to process by conventional database and software techniques. In many organizations, the volume of data is enormous, and it moves too fast in modern days and exceeds current processing capacity. Compilation of databases that are not being processed by conventional computing techniques, efficiently. Testing involves specialized tools, frameworks, and methods to handle

Q1 : What is Cisco Unified Computing System? A : Cisco Unified Computing System (UCS) unites physical and virtual computational and network resources into a single system. UCS is a set of pre-integrated data center components that comprises blade servers, adapters, fabric interconnects, and extenders that are integrated under a common embedded management system. This approach results in far fewer system components than comparable data center platforms. Q2 : Which operating systems (OS) are supported on UCS? A : UCS

Q1 : What is the one most important thing DevOps helps do? A : The most important thing DevOps helps to do is to get the changes into production as quickly as possible while minimizing risks in software quality assurance and compliance. That is the primary objective of DevOps. However, there are many other positive side-effects to DevOps. For example, clearer communication and better working relationships between teams which creates a less stressful working environment. Q2 : What is chef in DevOps? A

Q1 : What do you know about Software Configuration Management? A : Software configuration management (SCM or S/W CM) is the task of tracking and controlling changes in the software, part of the larger cross-disciplinary field of configuration management. SCM practices include revision control and the establishment of baselines. Q2 : Which version control (VC) or software configuration management (SCM) systems work with Merge? A : You can use Tortoise SVN, which has Merge Utility embedded in it. Q3 :

Q1 : What are Selectors in Rational Build Forge? A : Selectors decide which server resource should run a project. Selector constitutes of a list of variables, which specifies a value with the comparison. E.g., we can specify a property known as Compiler Version = 1.1 to select only those server resources which have the equivalent property. We can also specify the Compiler Version >= 1.1 to select server resources having versions 1.1, 1.3, 2, or 2.0. Whenever a project

Q1 : Why Splunk when there are other open-source options? A : In terms of data analysis, doing business intelligence, providing security and managing IT operation, Splunk faces a tough competition. It stands ahead because it is the only tool that can manage all the operations. This is where it makes a difference and helps you scale up your business infrastructure. There could be other options, but they need plugins to support a few features like customer support and taking