The following are a list of design decisions made relating to networking: - NSX Distributed Firewall (DFW) rule to block all traffic by default. - Implement overlay network technology to scale…

Question

Options

• AUse of 2x 64-port Cisco Nexus 9300 for top-of-rack ESXi host switches.
• BNSX Distributed Firewall (DFW) rule to block all traffic by default.
• CImplement overlay network technology to scale across data centers.
• DConfigure Cisco Discovery Protocol (CDP) - Listen mode on all Distributed Virtual Switches (DVS).

• A
  15% (5)
• B
  6% (2)
• C
  76% (26)
• D
  3% (1)

Explanation

In VCF 5.2, the logical design focuses on high-level architectural decisions that define the system's structure and behavior, as opposed to physical or operational details. Networking decisions in the logical design emphasize scalability, security policies, and connectivity frameworks, per the VCF 5.2 Architectural Guide. Let's evaluate each: Option A: Use of 2x 64-port Cisco Nexus 9300 for top-of-rack ESXi host switches This specifies physical hardware, a detail typically documented in the physical design (e.g., BOM, rack layout). The VCF 5.2 Design Guide distinguishes hardware choices as physical, not logical, unless they dictate architecture (e.g., spine-leaf), which isn't implied here. Option B: NSX Distributed Firewall (DFW) rule to block all traffic by default This is a security policy configuration within NSX, defining how traffic is controlled. While critical, it's an operational or detailed design decision (e.g., rule set), not a high-level logical design element. The VCF 5.2 Networking Guide places DFW rules in implementation details, not the logical overview. Option C: Implement overlay network technology to scale across data centers Overlay networking (e.g., NSX VXLAN or Geneve) is a foundational architectural decision in VCF, enabling scalability, multi-site connectivity, and logical separation of networks. The VCF 5.2 Architectural Guide highlights overlays as a core logical design component, directly impacting how the solution scales across data centers, making it a prime candidate for the logical design. Option D: Configure Cisco Discovery Protocol (CDP) - Listen mode on all Distributed Virtual CDP in Listen mode aids network discovery and troubleshooting on DVS. This is a configuration setting, not a logical design decision. The VCF 5.2 Networking Guide treats such protocol settings as operational details, not architectural choices.

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