Which two statements
题目内容(请给出正确答案)
Which two statements apply to dynamic access lists？（）
- A、they offer simpler management in large internetworks.
- B、you can control logging messages.
- C、they allow packets to be filtered based on upper-layer session information.
- D、you can set a time-based security policy.
- E、they provide a level of security against spoofing.
- F、they are used to authenticate individual users
