VCDX-VCF Sample Questions & Answers
VCF's solution architecture ties with engineering specs for management components, vSphere and NSX for the top share, next to gathering customer requirements, implementation documentation, risk management, and a live design exercise.
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- Question 1Advanced
Customer Requirements · Recoverability Requirements
You are designing a VCF environment where the customer demands that the management components (vCenter, NSX Manager, SDDC Manager) must be recoverable in a secondary region with a different IP schema.
Which VCF design construct is required to support the portability of these management components during a site failover?
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Correct answer: B
Application Virtual Networks (AVNs) overlay management components on NSX segments. This abstracts the IP addressing from the underlying physical VLANs, allowing the management VMs (like Aria Suite components) to retain their IP addresses when failed over to a secondary region, provided BGP routing advertisements are properly managed.
- Question 2Advanced
Solution Architecture · VCF Architecture Design
A multinational enterprise requires a VCF design connecting three regional data centers.
- Requirement 1: Centralized security policy management across all sites.
- Requirement 2: Workload mobility (vMotion) between sites without IP changes.
- Requirement 3: Local egress for internet traffic at each site.
Based on the diagram below, which NSX architecture should be proposed?
graph LR SiteA[Site A (London)] |Inter-Site Link| SiteB[Site B (New York)] SiteB |Inter-Site Link| SiteC[Site C (Tokyo)] SiteA |Inter-Site Link| SiteC subgraph "Management Plane Requirement" Central[Single Pane of Glass Policy] endShow answer & explanation
Correct answer: A
NSX Federation is the correct architectural choice for connecting multiple VCF instances (sites) while providing centralized policy management (Global Manager) and consistent networking (stretched segments) across locations. A single stretched VCF instance is typically limited to two availability zones (metro distance), not three global regions. L2 VPN is a legacy solution not integrated into the VCF SDDC Manager workflow for this scale.
- Question 3Intermediate
Solution Architecture · Design Decision Justification
You are designing the storage architecture for a VCF Management Domain. The customer wants to use vSAN ESA (Express Storage Architecture) to maximize performance on their NVMe-based hardware.
Which constraint must you verify before confirming this design decision?
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Correct answer: C
vSAN ESA has specific hardware requirements that differ from the Original Storage Architecture (OSA). You cannot simply use any vSAN ReadyNode; the hardware must be explicitly certified for ESA (vSAN ESA ReadyNodes) to ensure the NVMe drives and network cards meet the performance and architectural requirements.
- Question 4IntermediateSelect 2
Solution Architecture · VCF Architecture Design
Your client requires a VCF solution that supports mixed workloads including Virtual Machines and Kubernetes containers. They specifically need to provision Tanzu Kubernetes Grid (TKG) clusters directly via the vSphere Client.
Which TWO architectural components must be included in the design for the VI Workload Domain? (Select TWO)
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Correct answers: B, D
Enabling vSphere with Tanzu (Workload Management) allows the deployment of TKG clusters and vSphere Pods directly on the hypervisors.
To support vSphere with Tanzu (Workload Management), an NSX Edge Cluster is required to provide load balancing and ingress services for the Kubernetes clusters.
- Question 5Intermediate
Solution Architecture · Design Decision Justification
While conducting a design workshop, the customer insists on using their existing external Platform Services Controller (PSC) for the VCF Management Domain vCenter to unify Single Sign-On (SSO) across the enterprise.
Is this a supported configuration for a new VMware Cloud Foundation 5.x deployment?
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Correct answer: B
False. Starting with vSphere 7.0 and continuing in VCF 4.x/5.x, external Platform Services Controllers (PSCs) are deprecated and no longer supported. VCF deploys vCenter Server with an embedded PSC. While you can link SSO domains (Enhanced Linked Mode), you cannot use an external PSC appliance.
- Question 6Advanced
Solution Architecture · VCF Architecture Design
You are architecting the Management Domain for a large-scale VCF deployment. The customer expects to deploy 10 VI Workload Domains, each with 5 clusters.
Which design consideration regarding the NSX Manager placement is critical for the Management Domain?
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Correct answer: B
In the standard VCF architecture, the Management Domain has its own NSX Manager cluster. Additionally, each VI Workload Domain requires its own dedicated NSX Manager cluster. These NSX Manager appliances for the VI domains run in the Management Domain's vSphere cluster to separate management from workloads. One NSX Manager cluster cannot manage multiple VI Workload Domains in the VCF model.
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