PowerShell

Question 2

What is PowerShell?

Answer 2

PowerShell is a task automation and configuration management framework from Microsoft.

Question 3

True or False: PowerShell is only available on Windows operating systems.

Answer 3

False

Question 4

What command is used to display the current directory in PowerShell?

Answer 4

Get-Location or the alias pwd

Question 5

Fill in the blank: The command to list all files in the current directory is ____.

Answer 5

Get-ChildItem

Question 6

What is the file extension for PowerShell scripts?

Answer 6

.ps1

Question 7

Which cmdlet is used to create a new directory?

Answer 7

New-Item

Question 8

True or False: PowerShell cmdlets are case-sensitive.

Answer 8

False

Question 9

What is the purpose of the ‘Pipeline’ in PowerShell?

Answer 9

To pass the output of one cmdlet as input to another cmdlet.

Question 10

Which cmdlet would you use to get help about another cmdlet?

Answer 10

Get-Help

Question 11

What does the ‘Select-Object’ cmdlet do?

Answer 11

It selects specific properties of an object.

Question 12

True or False: You can use PowerShell to manage Azure resources.

Answer 12

True

Question 13

What is a PowerShell module?

Answer 13

A package that contains PowerShell cmdlets, functions, variables, and more.

Question 14

What command is used to import a module in PowerShell?

Answer 14

Import-Module

Question 15

Fill in the blank: The command to remove a file is ____.

Answer 15

Remove-Item alias rm

Question 16

What does the ‘Get-Process’ cmdlet do?

Answer 16

It retrieves a list of processes running on a machine.

Question 17

Which command would you use to stop a running process?

Answer 17

Stop-Process

Question 18

What is the purpose of the ‘Set-ExecutionPolicy’ cmdlet?

Answer 18

To change the user preference for the PowerShell script execution policy.

Question 19

True or False: PowerShell supports both imperative and declarative programming styles.

Answer 19

True

Question 20

What is a PowerShell ‘Alias’?

Answer 20

A shortcut or an alternative name for a cmdlet.

Question 21

Which cmdlet is used to clear the console screen?

Answer 21

Clear-Host

Question 22

What does the ‘Get-Service’ cmdlet do?

Answer 22

It retrieves the status of services on a machine.

Question 23

Fill in the blank: The command to start a service is ____.

Answer 23

Start-Service

Question 24

What is a PowerShell ‘Function’?

Answer 24

A block of code designed to perform a particular task.

Question 25

What does the 'Write-Output' cmdlet do?

Answer 25

It sends output to the pipeline.

Question 26

True or False: PowerShell can manipulate XML data.

Answer 26

True

Question 27

What is the purpose of the 'Where-Object' cmdlet?

Answer 27

To filter objects based on specified criteria.

Question 28

What is the command to display the contents of a file?

Answer 28

Get-Content

Question 29

Fill in the blank: The command to rename an item is ____.

Answer 29

Rename-Item

Question 30

What is a 'Hash Table' in PowerShell?

Answer 30

A data structure that stores key-value pairs.

Question 31

Which cmdlet is used to export data to a CSV file?

Answer 31

Export-Csv

Question 32

True or False: PowerShell can be used for web scraping.

Answer 32

True

Question 33

What does the 'Invoke-WebRequest' cmdlet do?

Answer 33

It sends HTTP and HTTPS requests to a web page or web service.

Question 34

What is the command to display all currently defined aliases?

Answer 34

Get-Alias

Question 35

Fill in the blank: The command to update a module is ____.

Answer 35

Update-Module

Question 36

What is the purpose of the 'ForEach-Object' cmdlet?

Answer 36

To perform an operation on each item in a collection.

Question 37

What does the 'Start-Job' cmdlet do?

Answer 37

It starts a background job.

Question 38

True or False: PowerShell supports remote management of computers.

Answer 38

True

Question 39

What is the command to create a new PowerShell session?

Answer 39

New-PSSession

Question 40

What cmdlet is used to retrieve the value of an environment variable?

Answer 40

Get-ChildItem Env:

Question 41

Fill in the blank: The command to display system information is ____.

Answer 41

Get-ComputerInfo

Question 42

What is the purpose of the 'Test-Connection' cmdlet?

Answer 42

To test the network connection to a computer.

Question 43

What does the 'Get-EventLog' cmdlet do?

Answer 43

It retrieves entries from event logs.

Question 44

True or False: PowerShell can be used to automate Microsoft Office applications.

Answer 44

True

Question 45

What does the 'Get-Help' cmdlet provide?

Answer 45

It provides detailed information about cmdlets and concepts.

Question 46

What is a PowerShell 'ScriptBlock'?

Answer 46

A collection of statements or expressions that can be executed as a single unit.

Question 47

Which cmdlet is used to convert an object to JSON format?

Answer 47

ConvertTo-Json

Question 48

Fill in the blank: The command to find the location of a cmdlet is ____.

Answer 48

Get-Command

Question 49

What does the Get-Member cmdlet do in PowerShell?

Answer 49

Get-Member shows the properties and methods of an object, revealing what you can access or do with it. It helps explore object structure and capabilities.

Question 50

What -parameter should you almost always specify after Format-Table to make the output easier to see?

Answer 50

Format-Table -AutoSize -AutoSize automatically adjusts column widths to fit the content better/easier to read.

Question 51

How would you see all methods and properties of a service called Fucked?

Answer 51

Get-Service -name Fucked | gm or: Get-Service -Name Fucked | Get-Member GM is alias for Get-Member = gets all properties and methods of an object and is VERY VERY IMPORTANT to remember. Remember get-member gm.

Question 52

What is the alias for Get-ChildItem in PowerShell?

Answer 52

Common aliases for Get-ChildItem are: gci ls dir They all do the same thing—list directory contents.

Question 53

What does @() do in PowerShell?

Answer 53

@() defines an array @() in powershell E.g. $Var=@() $Var+="new stuff" $Var+="More stuff etc" $Var new stuff More stuff etc += adds new elements to the array. PS arrays are zero indexed so the first array item is [0]

Question 54

What does this output in PowerShell? $numbers = @(1, 2, 3) $numbers[1]

Answer 54

2 Because arrays in PS are zero-indexed (start at [0]).

Question 55

What is the syntax to add a new key-value pair to a PowerShell hashtable?

Answer 55

Add a key=value pair to a PS hash table: $hashtable["Key"] = "Value"