Which two statements are true about the Cisco Classic （CBAC） IOS Firewall set？（）
- AIt can be used to block bulk encryption attacks
- BIt can be used to protect against denial of service attacks
- CTraffic originating from the router is considered trusted， so it is not inspected
- DBased upon the custom firewall rules， an ACL entry is statically created and added to theexisting ACL permanently
- ETemporary ACL entries that allow selected traffic to pass are created and persist for theduration of the communication sessio