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70-687 Configuring Windows 8.1 – sample exam – Q4

A company has 100 client computers that run Windows 8.1. The client computers are members of a workgroup.
A custom application requires a Windows Firewall exception on each client computer.
You need to configure the exception on the client computers without affecting existing firewall settings.
Which Windows PowerShell cmdlet should you run on each client computer?

A. New-NetFirewallRule
B. Set-NetFirewallSetting
C. Set-NetFirewallRule
D. Set-NetFirewallProfile
E. New-NetIPSecMainModeRule

Correct Answer: A

Explanation:
http://technet.microsoft.com/en-us/library/jj554908.aspx New-NetFirewallRule
The New-NetFirewallRule cmdlet creates an inbound or outbound firewall rule and adds the rule to the target computer.
Further information: Set-NetFirewallSetting
The Set-NetFirewallSetting cmdlet configures properties that apply to the firewall and IPsec settings, re-gardless of which network profile is currently in use. This cmdlet allows the administrator to specify global firewall behavior.
Set-NetFirewallRule
The Set-NetFirewallRule cmdlet modifies existing firewall rule properties. Set-NetFirewallProfile
The Set-NetFirewallProfile cmdlet configures options for the profiles, including domain, public, and pri- vate, that are global, or associated with the input rules.
New-NetIPSecMainModeRule
The New-NetIPsecMainModeRule cmdlet creates an IPsec main mode rule. A main mode rule contains a set of local and remote end points to determine the peers to which it applies. When an application on the local computer attempts to communicate with one of these specified remote hosts, the computer attempts to establish a security association (SA) with the remote server.

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