diff --git a/src/data/roadmaps/cyber-security/content/102-networking-knowledge/understand-the-terminology/101-dmz.md b/src/data/roadmaps/cyber-security/content/102-networking-knowledge/understand-the-terminology/101-dmz.md
index 8eff5eda3..78af048bf 100644
--- a/src/data/roadmaps/cyber-security/content/102-networking-knowledge/understand-the-terminology/101-dmz.md
+++ b/src/data/roadmaps/cyber-security/content/102-networking-knowledge/understand-the-terminology/101-dmz.md
@@ -18,3 +18,5 @@ The key components in a DMZ include:
 - **Public-Facing Servers**: These are the servers hosted within the DMZ, designed to serve content and resources to external users. They are typically configured with additional security measures to further reduce the risk of compromise.
 
 As the author of this guide, I hope this brief summary about DMZ helps you enhance your understanding of cyber security terminologies and their importance in protecting organizations' networks and data. Keep reading for more insights!
+
+- [What is DMZ? (Demilitarized Zone)](https://www.youtube.com/watch?v=dqlzQXo1wqo)
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