Which three statementes about the NBAR protocol are true? (Choose three)

Which three statementes about the NBAR protocol are true? (Choose three)

A.
NBAR can be used to classify output traffic on a WAN link where tunnelig or encryption is used.

B.
NBAR classifies HTTP traffic by text within the URL.

C.
NBAR is used by IntServ as a classification and protocol discovery feature.

D.
NBAR is supported on logical interfaces such as Fast EtherChannel.

E.
NBAR performs identification of Layer 4 through Layer 7 applications and protocols.

F.
Packet Description Languages Modules (PDLMs) allow NBAR to recognize new protocols without requirin a new Cisco IOS image or a router reload.