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VMware 3V0-25.25 : Advanced VMware Cloud Foundation 9.0 Networking
- Exam Code: 3V0-25.25
- Exam Name: Advanced VMware Cloud Foundation 9.0 Networking
- Updated: Oct 30, 2026 Q&As: 64 Questions and Answers
About VMware 3V0-25.25 Exam
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VMware 3V0-25.25 Exam Overview:
| Certification Vendor: | VMware |
|---|---|
| Exam Name: | Advanced VMware Cloud Foundation 9.0 Networking |
| Exam Number: | 3V0-25.25 |
| Exam Duration: | 135-150 |
| Real Exam Qty: | 60-70 |
| Related Certifications: | VMware Cloud Foundation Specialist certifications VMware Certified Professional - Data Center Virtualization (VCP-DCV) |
| Certificate Validity Period: | 2 years |
| Exam Price: | USD 250-450 (varies by region) |
| Exam Format: | Multiple choice, Multiple select, Scenario-based questions, Drag and drop |
| Available Languages: | English |
| Passing Score: | Scaled score 300 (on a 100-500 scale) |
| Recommended Training: | VMware Cloud Foundation Training VMware NSX Training Courses |
| Exam Registration: | VMware Certification Portal Pearson VUE VMware Exams |
| Sample Questions: |  |
| Exam Way: | Computer-based exam delivered via online proctoring or Pearson VUE test centers |
| Pre Condition: | Recommended: VMware Certified Professional (VCP-DCV) or equivalent hands-on experience with VMware Cloud Foundation and NSX networking |
| Official Syllabus URL: | https://www.vmware.com/education-services/certification.html |
VMware 3V0-25.25 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: NSX-T Data Center Integration | - Security policies and micro-segmentation - Edge services and gateway configuration - Logical switching and routing constructs |
| Topic 2: Cloud Foundation Architecture and Design | - Design principles for scalable SDDC environments - VMware Cloud Foundation (VCF) architecture components |
| Topic 3: Networking Architecture in VMware Cloud Foundation | - Routing, BGP, and dynamic routing integration - vSphere Distributed Switch configuration and design - NSX networking fundamentals and overlay architecture |
| Topic 4: VCF Deployment and Operational Networking | - Network pool configuration and workload domain networking - Lifecycle management networking considerations |
| Topic 5: Troubleshooting and Optimization | - Performance tuning and monitoring of NSX networks - Common VCF networking issues and resolution methods |
3V0-25.25 Exam Practice Questions FAQ
The test engine simulates the real exam environment, records your performance after each session, and points out the questions you got wrong so you know where to concentrate. Once you answer a question correctly consistently, you can mark it as mastered and clear it from your rotation, keeping every practice round focused on what still needs work.
The VMware Advanced VMware Cloud Foundation 9.0 Networking exam contains 60-70 questions, and you will have 135-150 minutes to complete them. Simulating that combination in advance turns exam-day pacing into a habit.
More than you might think. A demo shows you real questions and answers exactly as the full product presents them, so you can judge the accuracy, the writing quality, and the interface for yourself. We encourage you to compare our demo against any other provider's — the difference in care is visible in the details.
Many candidates combine practice questions with official training. Recommended options include:
This package includes 64 practice questions for the VMware Advanced VMware Cloud Foundation 9.0 Networking exam. Every answer is verified by an experienced team of experts, so you can trust what you study.
The VMware Advanced VMware Cloud Foundation 9.0 Networking exam requires a score of Scaled score 300 (on a 100-500 scale) to pass, and the official registration fee is USD 250-450 (varies by region). Knowing both figures before you begin helps you plan your preparation realistically.
You can register for the VMware Advanced VMware Cloud Foundation 9.0 Networking exam through the official channels:
The VMware Advanced VMware Cloud Foundation 9.0 Networking exam is scored on a scale where Scaled score 300 (on a 100-500 scale) is required to pass, and the official exam fee is USD 250-450 (varies by region).
Recommended: VMware Certified Professional (VCP-DCV) or equivalent hands-on experience with VMware Cloud Foundation and NSX networking
You can confirm the current eligibility requirements on the official 3V0-25.25 exam page before you register.
The VMware Advanced VMware Cloud Foundation 9.0 Networking practice questions are organized around the official exam objectives. Key topics include:
- VCF Deployment and Operational Networking ()
- Cloud Foundation Architecture and Design ()
- Networking Architecture in VMware Cloud Foundation ()
Your practice results against these topics show you exactly where to spend your next session.
VMware Advanced VMware Cloud Foundation 9.0 Networking Sample Questions:
Question #1
The administrator is working to ascertain the encapsulation of GENEVE by reviewing the capture on Wireshark.
The administrator instructed VM-1 to send a continuous ICMP request directed at VM-2.
Click to highlight where the administrator should observe the GENEVE encapsulated packet.
Correct Answer:
Explanation:
The administrator should click thevmnic0interface on theESX-1 Host.
In aVMware Cloud Foundation (VCF)environment, theGENEVE (Generic Network Virtualization Encapsulation)protocol is the industry-standard tunnel format used by NSX to create an overlay network.
This protocol allows Layer 2 traffic from virtual machines to be "tunneled" over a Layer 3 physical IP fabric, enabling workloads to communicate as if they were on the same segment even when separated by physical routers.
When VM-1 on ESX-1 sends an ICMP request to VM-2 on ESX-2, the packet starts as a standard Ethernet frame at the virtual machine'svnic1. At this stage, the packet contains no encapsulation. As the frame enters theVirtual Distributed Switch (VDS)and hits theTunnel End Point (TEP), the host's kernel performs the encapsulation process. The TEP adds a GENEVE header, a UDP header (port 6081), and an outer IP header.
Thevmnic0(physical NIC) on the source host (ESX-1) is the specific "egress" point where this transformation is complete. A packet capture taken at this physical interface will show the "Outer IP" address of the source TEP and destination TEP, with the original ICMP packet hidden inside the GENEVE payload. If the administrator were to click on the VM's vnic, they would only see standard ICMP. By selecting thevmnic0, the administrator captures the traffic as it is placed onto the physical wire, which is the verified location to troubleshoot MTU issues, encapsulation errors, or physical fabric connectivity in a VCF environment.
Question #2
An administrator must provide North/South connectivity for a VPC. The fabric exposes a distributed external VLAN across all ESX hosts. But, the only BGP peer to the core is on a VLAN only accessible on the Edge Cluster. Which design is required?
- A. Distributed Transit Gateway with an EVPN route reflector on the transport nodes.
- B. Centralized Transit Gateway on the Edge Cluster.
- C. Use a VPC Tier-0 Gateway in active/active mode with distributed eBGP peering.
- D. Deploy a Provider Tier-1 with BGP and connect the VPC Transit Gateway via route leaking.
Correct Answer: B 🗳️
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Question #3
How should the Global Managers (GMs) and Local Managers (LMs) be distributed to ensure high availability and optimal performance in a multi-site NSX Federation deployment comprised of three sites? (Choose two.)
- A. LMs are only needed on the primary site. Secondary sites can manage their local data plane directly via the GM.
- B. The GM should be a single appliance placed in a central cloud environment to simplify connectivity, relying on vSphere HA for availability.
- C. Each NSX site must have its own LM cluster that reports to the GM.
- D. LMs should only be deployed as single nodes to reduce overhead.
- E. The GM cluster should be deployed across three sites.
Correct Answer: C,E 🗳️
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Question #4
An administrator has observed an NSX Local Manager (LM) outage at the secondary Site. However, the NSX Global Manager (GM) in secondary Site remains operational. What happens to data plane operations and policy enforcement at the secondary site?
- A. The data plane operates normally until LM recovery and reconnection.
- B. Secondary site must failover all workloads to Primary site.
- C. Only local policies work; global policies cease to apply on the secondary site.
- D. All traffic is blocked until secondary site LM recovers.
Correct Answer: A 🗳️
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Question #5
An administrator is troubleshooting BGP flapping in a VMware Cloud Foundation (VCF) 9 environment. A Tier-0 Gateway is running in Active/Active mode with two Edge nodes. BFD is enabled on the eBGP sessions to the upstream routers. Each Edge node uses its own uplink IP for BGP. After some network maintenance, one BGP session starts flapping every few minutes. The other BGP sessions stay stable. On the affected Edge node, the command get bfd-sessions shows:
* State: Down
* Diag: Detect Time Expired
Symptoms:
* The upstream router also shows the BFD session as Down with control Detection Time Expired.
* There are no interface errors, no packet loss for normal traffic, and clearing the BFD session temporarily brings it back up - but it flaps again after few minutes.
What is the root cause?
- A. The MTU does not match on the end-to-end between Tier-0 Gateway and upstream routers.
- B. BFD is configured in echo mode on the upstream routers.
- C. BFD timers are mismatched between Tier-0 Gateway and the upstream routers.
- D. The Edge nodes are undersized and are experiencing high contention on CPU and drops BFD packets.
Correct Answer: A 🗳️
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