Which of the following statements regarding the use of multiple access lists are valid when configuring a single interface on a Cisco router?（）

• A、Application of up to three access lists per protocol to a single interface.
• B、No more than two access lists per interface.
• C、One access list may be configured per direction for each Layer 3 protocol configured on an interface.
• D、The maximum number allowed varies due to RAM availability in the router.
• E、An infinite number of access lists that can be applied to an interface, from most specific to most general.
• F、Cisco IOS allows only one access list to an interface.