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300-415 · Question #109
300-415 Question #109: Real Exam Question with Answer & Explanation
The correct answer is C: Configure a centralized data policy.. Configuring Direct Internet Access (DIA) based on QoS parameters requires a centralized data policy to intelligently steer traffic and Network Address Translation (NAT) on the transport interface for internet egress.
WAN Edge Router Deployment
Question
An engineer is configuring a WAN Edge router for DIA based on matching QoS parameters. Which two actions accomplish this task? (Choose two.)
Options
- AApply a QoS map policy.
- BConfigure a control policy.
- CConfigure a centralized data policy.
- DConfigure NAT on the transport interface.
- EApply a data policy on WAN interface.
Explanation
Configuring Direct Internet Access (DIA) based on QoS parameters requires a centralized data policy to intelligently steer traffic and Network Address Translation (NAT) on the transport interface for internet egress.
Common mistakes.
- A. Applying a QoS map policy primarily handles marking, policing, or queuing traffic, but it does not perform the traffic steering or forwarding decisions required for DIA based on QoS parameters.
- B. A control policy primarily influences routing information and OMP updates, not direct data plane forwarding decisions for DIA based on QoS parameters.
- E. While a data policy is involved, 'Apply a data policy on WAN interface' is less specific than a 'centralized data policy' which provides the necessary traffic steering logic across the overlay for DIA.
Concept tested. SD-WAN DIA configuration (data policy, NAT)
Topics
#WAN Edge Router#Direct Internet Access (DIA)#QoS#Centralized Data Policy
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