Which QoS solution meets this requirement?

A customer is discussing QoS requirements with a network consultant. The customer has specified that end-to-end path verification is a requirement.

Which QoS solution meets this requirement?
A . IntServ model with RSVP to support the traffic flows
B . DiffServ model with PHB to support the traffic flows
C . marking traffic at the access layer with DSCP to support the traffic flows
D . marking traffic at the access layer with CoS to support the traffic flows

View Answer

Answer: A