PowerShell Interview Questions and Answers
PowerShell is automation as well as configuration management framework which is used for the development of the interactive object-oriented command-line shell. It is an interactive editor which is based on the .NET framework. The working of PowerShell is based on Cmdlets, Scripts, and classes. It is a scripting language which is commonly designed for administrative tasks. We have provided a set of PowerShell Interview Questions that will help to clear the PowerShell interview.
Most Frequently Asked PowerShell Interview Questions
PowerShell is an object-oriented scripting language and automation framework which is used to develop a command-line shell. It is a command-line shell which is used to automate the batch processes. it is used with the help of IT professionals in order to automate the administrate
Due to the object-oriented language, bracket plays an important role in PowerShell. The PowerShell employs four types of brackets namely parenthesis, braces, square and angular brackets. All these brackets come under control structure therefore in order to control the flow of the code brackets are required.
In order to enable and disable services in PowerShell, it is important to edit the ServieName for example-
To start the service: Set-Services ServiceName- Startup Type Automatic
To delete the services: Set- Service ServiceName-Startup Type Disabled
Hash table is a data structure which used the mechanism of value/key pair. The professionals who create PowerShell scripts use variables to store data. For the storage of data in a highly secure environment hash table is used.
There is a total of four execution policies in PowerShell namely-
- All Signed
In order to enable the execution of PowerShell following steps are required to perform-
- Start Windows PowerShell
- Run as an Administrator
- Enable running script by using the command: Set-execution policy redesigned
Dollar Sign “$” is used to declare a variable in Power Shell for example- $varible1= 23
For-each loop is a conditional statement which can be used in order to control the flow of the program.
$PSScriptRoot is an Automatic Variable, which are built-in variables that comprise records about the PowerShell surroundings itself. $PSScriptRoot includes the listing direction of the script being done currently.
Originally $PSScriptRoot used to be solely relevant to script modules, however commencing with PowerShell 3.0, it works for all PowerShell script files. From the console, if I kind $PSScriptRoot and press ENTER, it returns nothing.
Latest version: PowerShell V6.0 is the latest version of PowerShell
- PowerShell is an object-oriented programming language which supports a number of features such as classes, inheritance, encapsulation, data binding, polymorphism, etc.
- It supports .NET framework objects and forms.
- PowerShell support configuration and automation
- It works on single thread operations and can invoke .NET libraries.
- PowerShell allows the programmers and developers to innovate new things on a console
- PowerShell is object-based which is one of its disadvantages
- It is incorporated with weak security policies
- PowerShell requires an additional web server on the server which takes additional space on a server.