Which two statements best descri
题目
Which two statements best describe the wireless security standard that is defined by WPA (Choose two.)（）。
- A、It specifies use of a static encryption key that must be changed frequently to enhance security
- B、It requires use of an open authentication method
- C、It specifies the use of dynamic encryption keys that change each time a client establishes a connection
- D、It requires that all access points and wireless devices use the same encryption key
- E、It includes authentication by PSK
