CCNA Cisco Certified Network Associate (#187)

Section: Version 2.0

Which statement about QoS default behavior is true?

Ports are untrusted by default.
VoIP traffic is passed without being tagged.
Video traffic is passed with a well-known DSCP value of 46.
Packets are classified internally with an environment.
Packets that arrive with a tag are untagged at the edge of an administrative domain.