Cisco AutoQoS takes the interface type and bandwidth into consideration when configuring which three QoS features？（）

A.the voice packet will be transmitted first， followed by the FTP packet in its entirety
B.the voice packet will be transmitted first， followed by the fragmented FTP packet
C.the FTP packet will be fragmented and the voice packet will be interleaved
D.the FTP packet will be transmitted first in its entirety， follow by the voice packet

A.on Catalyst switches， the show auto discovery qos command is used to display the data collected during the Auto-Discovery phase
B.on Catalyst switches， the show auto qos command is used to display packet statistics of all classes that are configured for all service policies
C.on Cisco routers， the show mls qos maps command is used to verify the CoS-to-DSCP maps for egress packet queuing
D.on Cisco routers， the show auto qos command is used to display the AutoQoS interface templates， policy maps， class maps， and ACLs

A.Cisco IOS gateways provide services such as address translation and network access control for the devices on the networl
B.Cisco IOS gateways provide services such as bandwidth management and accounting
C.Cisco IOS gateways provide media termination and signal translation between the public switched telephone network （PSTN） and IP networks
D.Cisco IOS gateways provide zone management for all registered endpoints in the network