Episode: Network Architecture Design: Key Considerations
In this episode of DeepDive, XatusBetaZx17 breaks down the fundamental choices you must make when architecting any network—from small lab setups to large-scale enterprise deployments. We’ll cover key considerations such as topology selection (spine‑leaf, three‑tier, flat), capacity planning (bandwidth, device limits), scalability strategies, reliability and high availability, performance tuning (QoS, link aggregation), security integration (segmentation, access controls), and cost vs. complexity trade‑offs. By the end, you’ll have a clear framework to guide your next network design project and avoid common pitfalls.

Resources & Links:
• Network Design and Best Practices – A Guide (Auvik Blog)
https://www.auvik.com/franklyit/blog/network-design-best-practices/ (Auvik)
• An Introductory Guide to Enterprise Network Design (NetBox Labs)
https://netboxlabs.com/blog/enterprise-network-design-guide/ (netboxlabs.com)
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Episode: Air‑Gapped Systems: Security and Management
In this episode of DeepDive, XatusBetaZx17 explores Air‑Gapped Systems: Security and Management—defining what air‑gaps are, the security benefits of physically isolating networks, best practices for implementing and maintaining air‑gapped environments, and key management considerations like secure data transfer procedures, patching workflows, and mitigating covert‑channel risks. Whether you’re safeguarding classified data or critical infrastructure, you’ll walk away with concrete strategies for deploying and managing air‑gapped systems effectively.

Resources & Links:
• What Is Air Gapping? Types, Benefits & Security Tips (Imperva)
https://www.imperva.com/learn/data-security/air-gapping/ (Imperva)
• What Is an Air Gap? (IBM)
https://www.ibm.com/think/topics/air-gap (IBM)
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In this episode of DeepDive, XatusBetaZx17 breaks down how to lock down your network at the edge—covering port security on switches and 802.1X authentication for wired and wireless access. You’ll learn best practices for configuring port limits and MAC-based restrictions, see how authentication protocols grant or deny network access, and discover how these controls fit into a larger defense-in-depth strategy.Resources & Links:

• Security Best Practices in Catalyst Campus Switches (Cisco PDF)
https://www.cisco.com/c/dam/global/fr_ca/assets/presentations/Security/Security_pratices_in_ethernet_Switched_networks.pdf Cisco
• What Is 802.1X? How Does It Work? (SecureW2)
https://www.securew2.com/solutions/802-1x SecureW2
• Choosing the Right Flavor of 802.1X (TechTarget)
https://www.techtarget.com/searchnetworking/feature/Choosing-the-right-flavor-of-8021X

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In this premiere of DeepDive, XatusBetaZx17 explores the network attack surface—all the places an adversary might exploit to breach your systems. We’ll define the attack surface, walk through vulnerabilities at each of the OSI layers, compare external vs. internal risks, and lay out a defense-in-depth blueprint for protecting your network. Whether you’re building your first home lab or architecting enterprise security, you’ll come away with concrete steps to shrink your attack surface.

Resources & Links:

• Understanding Attack Surfaces (Blog

https://www.cloudflare.com/learning/security/what-is-an-attack-surface/

• Defense-in-Depth Strategies (Whitepaper

https://www.paloaltonetworks.com/cyberpedia/what-is-attack-surface-management

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