Exam NSE8_812 Topic 1 Question 48 Discussion
Actual exam question for Fortinet's NSE8_812 exam
Question #: 48
Topic #: 1
Question #: 48
Topic #: 1
SD-WAN is configured on a FortiGate. You notice that when one of the internet links has high latency the time to resolve names using DNS from FortiGate is very high.
You must ensure that the FortiGate DNS resolution times are as low as possible with the least amount of work.
What should you configure?
You must ensure that the FortiGate DNS resolution times are as low as possible with the least amount of work.
What should you configure?
Suggested Answer: A Vote an answer
SD-WAN is a feature that allows users to optimize network performance and reliability by using multiple WAN links and applying rules based on various criteria, such as latency, jitter, packet loss, etc. One way to ensure that the FortiGate DNS resolution times are as low as possible with the least amount of work is to configure local out traffic to use the outgoing interface based on SD-WAN rules with the interface IP and configure an SD-WAN rule to the DNS server. This means that the FortiGate will use the best WAN link available to send DNS queries to the DNS server according to the SD-WAN rule, and use its own interface IP as the source address. This avoids NAT issues and ensures optimal DNS performance. References: https://docs.fortinet.com/document/fortigate/7.0.0/sd-wan/19662/sd-wan
by Elmer at Jul 14, 2024, 10:23 PM
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