When Cisco SDM is used to generate QoS policy， various QoS classes will be created and assigned a percentage of the interface bandwidth. Which three statements indicate the default bandwidth values that are assigned by SDM for outgoing traffic on a WAN interface？ （）

• A、 Voice traffic will be assigned 47% of the interface bandwidth.
• B、 Voice call signaling will be assigned 33% of the interface bandwidth.
• C、 Telnet， SSH， and other traffic that is generated to manage the router is assigned 5% of the interface bandwidth.
• D、 Best-effort traffic will be assigned 38% of the interface bandwidth.
• E、 Routing protocol traffic will be assigned 5% of the interface bandwidth.
• F、 Transactional traffic will be assigned 5% of the interface bandwidth.