Which set of actions is an element of QoS?
A. sorting and packing
B. classification and queuing
C. queuing and tracking
D. dropping and classification
What are the three architectural building blocks of the enterprise WAN? (Choose three.)
A. regional WAN
B. MAN
C. LAN
D. WAN core
E. data center interconnect
F. virtual overlay
What is one example of a typical enterprise WAN deployment model?
A. single or dual MPLS VPN
B. Frame Relay
C. VPN
D. hub and spoke
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