Compared to the Internet,Layer 2 and Layer 3 carrier WAN services usually ________.
A) offer QoS guarantees
B) require less management labor in the customer organization
C) both A and B
D) neither A nor B

Question

Quizplus · Accepted Answer

Layer 2 and Layer 3 carrier WAN services usually offer QoS (Quality of Service) guarantees, which ensure that specific types of traffic (such as video or voice) receive priority treatment and are not impacted by other types of traffic. These services also tend to require less management labor in the customer organization, as the carrier manages and maintains the network infrastructure. Therefore, both options A and B are correct.

Compared to the Internet,Layer 2 and Layer 3 Carrier WAN