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NSE 7 - Secure Networking 7.6 Architect Exam Materials-Question 12 Discussion
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What are three key routing principles of SD-WAN? (Choose three answers)

  • A. Routes to directly connected subnets have precedence over SD-WAN rules.
  • B. Internet Service Database (ISDB) routes have precedence over SD-WAN rules.
  • C. SD-WAN rules are skipped if the best route to the destination is a static route.
  • D. SD-WAN members are skipped if they do not have a valid route to the destination.
  • E. SD-WAN rules are skipped if the best route to the destination is not an SD-WAN member.
Correct Answer: A,D,E

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Md Nasir Uddin 2026-08-18 11:22:36

Selected Answers: A, D, E


three key routing principles governing how SD-WAN rules process traffic are:

Policy routes take precedence over SD-WAN rules: Regular policy routes are evaluated before SD-WAN rules. If a policy route matches the traffic, the SD-WAN rules are skipped entirely.

Rules are skipped if the best route is not an SD-WAN member: By default, if FortiGate performs a traditional routing table lookup and the absolute best route (lowest administrative distance/metric) to the destination points to a non-SD-WAN interface, the custom SD-WAN rules are ignored, and conventional routing takes over.

Members are skipped if they lack a valid route to the destination: An SD-WAN member interface specified within a rule will be bypassed entirely if it does not possess a valid route entry in the routing table leading to that specific destination.
  • Bob 2026-08-19 20:07:40
    I think you are right. A, D, E

Ali 2026-08-29 23:59:07

Selected Answers: B, D, E


A is incorrect as Directly connect routes do not have precedence over SDWAN rules

Anonymous User 2026-09-03 01:33:03

Selected Answers: A, D, E


yes, routes to directly connected subnets have precedence over SD WAN rules

Luis 2026-09-07 11:47:16

Selected Answers: B, D, E


I think is B,D,E.
D and E are obvious.
The controversy lies in A/B. According to the Forti document (https://community.fortinet.com/fortigate-3/technical-tip-routing-methods-in-fortigate-policy-isdb-sd-wan-static-and-dynamic-routes-105196), the priority order is ISDB rules first, followed by SD-WAN rules...
What you do think guys?