Exercise 4

Which class can be used to query the IP address of a network adapter? Does that class have a method to release a DHCP address lease?

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Get-WmiObject -List | where name -like '*networkadapter*

## Method to release a DHCP address

gwmi Win32_NetworkAdapter | gm | ? {$_.membertype -like "method"}

gwmi Win32_NetworkAdapterConfiguration | gm | ? {$_.membertype -like "method"}

Display a list of patches using WMI (Microsoft refers to patches as quick-fix engineering). Is the listing different from the one produced by the Get-Hotfix cmdlet?
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```
gwmi Win32_QuickFixEngineering

## No difference with get-hotfix cmdlet
diff -ReferenceObject (gwmi Win32_QuickFixEngineering) -DifferenceObject (Get-Hotfix)
```
Using WMI, display a list of services, including their current status, their startup mode, and the accounts they use to login.
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```
gwmi win32_service | fl status, startmode, startname 
```
Using CIM cmdlets, list all classes in the SecurityCenter2 namespace, which have product as part of the name.
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```
get-cimclass -names root\SecurityCenter2 | ? cimclassname -like '*product*'
```
Using CIM cmdlets, and the results of the previous exercise, display the names of the antispyware applications installed on the system. You can also check if there are antivirus products installed on the system.
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```
## Antivirus
get-ciminstance -names root\SecurityCenter2 -class AntiVirusProduct
## Antispyware
get-ciminstance -names root\SecurityCenter2 -class AntiSpywareProduct
```