Active Monitoring in SD-WAN
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Questions and Answers

Which protocol is the most used network monitoring protocol supported by SD-WAN?

  • Ping (correct)
  • UDP echo
  • TWAMP
  • TCP echo

What does FortiGate do when the number of consecutive failed probes reach the failure threshold?

  • Measures packet loss, latency, and jitter
  • Marks the member as dead (correct)
  • Switches to TCP echo
  • Sends ICMP echo requests

How does FortiGate determine if a dead member is alive again?

  • By sending consecutive successful probes (correct)
  • By measuring packet loss, latency, and jitter
  • By switching to TCP echo
  • By sending ICMP echo requests

Which protocol sends TCP-UDP requests on port 7 and waits for the server to send back an identical copy of the data?

<p>UDP echo (C)</p> Signup and view all the answers

What is the default port used by TWAMP for the control session?

<p>TCP 862 (A)</p> Signup and view all the answers

What is the purpose of the control session in TWAMP?

<p>To authenticate the endpoints (D)</p> Signup and view all the answers

Which protocol enables you to test the connectivity of any TCP application running on the target servers?

<p>TCP-connect (D)</p> Signup and view all the answers

What does FortiGate measure based on requests and replies sent and received for probes?

<p>All of the above (D)</p> Signup and view all the answers

What is the default port used by TCP echo and UDP echo?

<p>TCP 7 (D)</p> Signup and view all the answers

Which protocol is the most accurate among the five protocols mentioned?

<p>TWAMP (C)</p> Signup and view all the answers

Which protocols are supported for active monitoring probes in IP-v4?

<p>General-purpose, Ping, TCP echo, UDP echo, and TCP connect (C)</p> Signup and view all the answers

Which protocols are supported for active monitoring probes in IP-v6?

<p>TCP echo, HTTP, and TWAMP (D)</p> Signup and view all the answers

What is the default interval for sending probes in active monitoring?

<p>500 milliseconds (D)</p> Signup and view all the answers

What are the default failure and restore thresholds in active monitoring?

<p>5 (A)</p> Signup and view all the answers

What is the purpose of general-purpose protocols in active monitoring?

<p>To measure the quality of a link regardless of the application (C)</p> Signup and view all the answers

Why would you use an application-specific probe instead of a general-purpose probe?

<p>To measure the performance of specific applications and services (D)</p> Signup and view all the answers

What is the advantage of using an HTTP probe instead of a ping probe?

<p>HTTP probe provides more accurate results (B)</p> Signup and view all the answers

What is the initial state assigned to configured members in active monitoring?

<p>Alive (C)</p> Signup and view all the answers

What happens when a performance SLA is configured to use active monitoring?

<p>Probes are sent to determine the state of the member and its performance (D)</p> Signup and view all the answers

What is the purpose of TWAMP protocol in active monitoring?

<p>TWAMP protocol is not supported (A)</p> Signup and view all the answers

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