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101.

What does $_ mean in PowerShell?

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Discussion
102.

What is the difference between ForEach and foreach object in PowerShell?

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103.

What is $null in PowerShell?

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In POWERSHELL, $null is an AUTOMATIC VARIABLE which stores a null or empty VALUE.
Discussion
104.

What is foreach loop in PowerShell?

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For-each loop is a conditional STATEMENT which can be used in ORDER to CONTROL the FLOW of the program.
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105.

How do you declare a variable in PowerShell?

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Dollar SIGN “$” is USED to declare a variable in Power Shell for EXAMPLE- $varible1= 23
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106.

What is CIM and how it is different from WMI in PowerShell?

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In POWERSHELL, CMI stands for Common Information Model which is used for describing the structure of the behavior of the resources (Storage, SOFTWARE components, NETWORK, etc). While WMI is an abbreviated form of Windows Management Instrumentation which is used for the management of DEVICES and network with the help of Windows computing systems.
Discussion
107.

How do I enable execution policy in PowerShell?

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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
Discussion
108.

What are the execution policies in PowerShell?

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There is a TOTAL of FOUR EXECUTION POLICIES in POWERSHELL namely-

  • Restricted
  • All Signed
  • RemoteSigned
  • Unrestricted
Discussion
109.

What is a hash table in PowerShell?

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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.
Discussion
110.

How to stop and start services in PowerShell?

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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
Discussion
111.

What's the significance of brackets in PowerShell?

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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.
Discussion
112.

What is PowerShell and why it is used for?

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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
Discussion