You work as a senior administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed. You are running a training exercise for junior administrators. You are currently discussing the Windows Firewall with Advanced Security feature. Which of the following is TRUE with regards to Windows Firewall with Advanced Security？（）

A. It provides host-based，two-way network traffic filtering for a computer.
B. It provides host-based，one-way network traffic filtering for a computer.
C. It blocks unauthorized network traffic flowing into or out of the local computer.
D. It only blocks unauthorized network traffic flowing into the local computer.
E. It only blocks unauthorized network traffic flowing out of the local computer.