IMPRESSIVE HOSPITALITIES Interview Questions and Answers

DNS, DHCP, networking, troubleshooting, and Active Directory are all related to managing and troubleshooting network services and infrastructure.

• DNS (Domain Name System) is responsible for translating domain names into IP addresses.

• DHCP (Dynamic Host Configuration Protocol) is used to automatically assign IP addresses to devices on a network.

• Networking involves the design, implementation, and management of computer networks.

• Troubleshooting is the process of identifying and re...read more

To troubleshoot system slowness, check for resource usage, run diagnostic tools, update software, and optimize settings.

• Check CPU, memory, and disk usage to identify any bottlenecks

• Run diagnostic tools like Task Manager, Resource Monitor, or Performance Monitor

• Update software and drivers to ensure compatibility and performance

• Optimize system settings such as startup programs, background processes, and power settings

JavaScript is a programming language used to add interactivity and dynamic features to websites.

• JavaScript is a client-side scripting language.

• It is primarily used for web development.

• JavaScript can be embedded directly into HTML pages.

• It allows for the manipulation of webpage elements and handling of events.

• Common uses include form validation, creating interactive content, and AJAX requests.

Closure is a programming concept that allows a function to access variables from its parent scope even after the parent function has finished executing.

• Closure is created when a nested function references a variable from its outer function.

• The inner function can access and modify the variables from the outer function.

• Closure helps in encapsulating data and creating private variables in JavaScript.

• It allows functions to maintain state and remember values between multiple invoc...read more

React.js is a JavaScript library for building user interfaces.

• React.js is used for creating reusable UI components.

• It follows a component-based architecture.

• React.js uses a virtual DOM for efficient rendering.

• It allows for declarative and efficient updates to the UI.

• React.js is widely used in web development for building interactive and dynamic user interfaces.

A promise in JavaScript is an object representing the eventual completion or failure of an asynchronous operation.

• Promises are used to handle asynchronous operations such as fetching data from a server or reading a file.

• They provide a cleaner and more readable way to write asynchronous code compared to using callbacks.

• Promises have three states: pending, fulfilled, or rejected.

• They can be chained using the then() method to handle success or failure.

• Promises can also be used w...read more