cert
cert-1
cert-2

Pass VMware 3V0-25.25 Exam in First Attempt Guaranteed!

Get 100% Latest Exam Questions, Accurate & Verified Answers to Pass the Actual Exam!
30 Days Free Updates, Instant Download!

cert-5
cert-6
3V0-25.25 Exam - Verified By Experts
3V0-25.25 Premium File

3V0-25.25 Premium File

$89.99
$98.99
  • Premium File 58 Questions & Answers. Last Update: Nov 02, 2026

Whats Included:

  • Latest Questions
  • 100% Accurate Answers
  • Fast Exam Updates
 
$98.99
$89.99
accept 37 downloads in the last 7 days
block-screenshots
VMware 3V0-25.25 Practice Test 46

Question 450

A reviewer must validate the intended NSX outcome. Situation: An NSX external connection is intermittently unreachable while application services remain up. Which result most directly demonstrates that the team can monitor gateway peer state and advertised routes over time?

  1. Only the impaired site's tunnel metrics show drops or failed reachability.
  2. Monitoring reveals peer flaps or route withdrawals correlated with the outage.
  3. The restored manager configuration and representative policy objects match expected results.
  4. NSX allocations appear in IPAM and a conflicting candidate range is rejected before use.

Explanation

Correct Answer

B:

Monitoring reveals peer flaps or route withdrawals correlated with the outage. This observation validates the specified gateway route monitoring outcome. North-south availability depends on routing and uplink health, not just guest VM status.

Incorrect Answers

A:

This would validate multi-site comparison rather than the needed gateway route monitoring result. Site-specific monitoring distinguishes local transport faults from global policy defects. For the present case, the evidence must show that the team can monitor gateway peer state and advertised routes over time.

C:

This would validate restore rehearsal rather than the needed gateway route monitoring result. Only a recovery test establishes that stored backups and required keys/credentials are sufficient. For the present case, the evidence must show that the team can monitor gateway peer state and advertised routes over time.

D:

This would validate external ipam source rather than the needed gateway route monitoring result. Centralized address governance reduces collisions and mismatched IP inventory. For the present case, the evidence must show that the team can monitor gateway peer state and advertised routes over time.

Question 451

A change review examines the following situation: A design team wants to enforce application isolation but currently permits all overlay workloads once TEPs are reachable. Which practice would most directly undermine the requirement to distinguish fabric reachability from application access control?

  1. overwriting all site-specific uplinks with one global egress definition
  2. using one permissive VLAN-wide rule and expecting it to isolate the application tiers
  3. assuming a reachable TEP implies every tenant workload may communicate without controls
  4. ignoring time skew because raw IP ping between managers succeeds

Explanation

Correct Answer

C:

The anti-pattern, assuming a reachable TEP implies every tenant workload may communicate without controls, directly conflicts with the requirement to distinguish fabric reachability from application access control. TEP reachability enables overlay transport; it does not itself authorize guest-to-guest connections. The safer action is to pair a reachable TEP underlay with deliberate workload-level NSX security policy.

Incorrect Answers

A:

That practice primarily harms the distinct site autonomy versus shared policies activity, in which the goal is to combine global policy intent with local gateway configuration. Its failure mechanism is less direct for this specific underlay versus overlay security review. Here the key requirement is to distinguish fabric reachability from application access control.

B:

That practice primarily harms the distinct distributed microsegmentation activity, in which the goal is to restrict inter-tier traffic without forcing all flows off-host. Its failure mechanism is less direct for this specific underlay versus overlay security review. Here the key requirement is to distinguish fabric reachability from application access control.

D:

That practice primarily harms the distinct ntp and dns prerequisites activity, in which the goal is to establish consistent fundamental management services. Its failure mechanism is less direct for this specific underlay versus overlay security review. Here the key requirement is to distinguish fabric reachability from application access control.

Question 452

A change review examines the following situation: Two virtual machines on the same logical overlay segment run on separate ESXi hosts connected through routed physical switches. Which practice would most directly undermine the requirement to connect logical segment members across different physical hosts?

  1. accepting any arbitrary Manager major version because the network port is reachable
  2. relying exclusively on an upstream physical firewall for same-host east-west filtering
  3. adding a second NIC without mapping it into a transport-node uplink profile
  4. expecting upstream switches to learn every tenant overlay MAC as ordinary VLAN traffic

Explanation

Correct Answer

D:

The anti-pattern, expecting upstream switches to learn every tenant overlay MAC as ordinary VLAN traffic, directly conflicts with the requirement to connect logical segment members across different physical hosts. GENEVE encapsulates overlay frames between transport-node TEPs so the underlay need not learn each tenant MAC address. The safer action is to use NSX overlay transport nodes and reachable tunnel endpoint addresses to carry GENEVE traffic.

Incorrect Answers

A:

That practice primarily harms the distinct version compatibility activity, in which the goal is to align the software versions required for supported Federation operations. Its failure mechanism is less direct for this specific geneve transport review. Here the key requirement is to connect logical segment members across different physical hosts.

B:

That practice primarily harms the distinct distributed firewall enforcement activity, in which the goal is to enforce security near workload virtual interfaces. Its failure mechanism is less direct for this specific geneve transport review. Here the key requirement is to connect logical segment members across different physical hosts.

C:

That practice primarily harms the distinct uplink path diversity activity, in which the goal is to use redundant suitable transport uplinks according to fabric and policy constraints. Its failure mechanism is less direct for this specific geneve transport review. Here the key requirement is to connect logical segment members across different physical hosts.

Question 453

A change review examines the following situation: A design review confuses management interfaces with the packet path taken by application traffic. Which practice would most directly undermine the requirement to keep management-plane availability distinct from workload forwarding paths?

  1. building a topology where every application packet is required to traverse the Manager API endpoint
  2. accepting any arbitrary Manager major version because the network port is reachable
  3. storing all backup files under identical names with no source-instance metadata
  4. relying exclusively on an upstream physical firewall for same-host east-west filtering

Explanation

Correct Answer

A:

The anti-pattern, building a topology where every application packet is required to traverse the Manager API endpoint, directly conflicts with the requirement to keep management-plane availability distinct from workload forwarding paths. NSX management and policy control govern desired state, while transport nodes and Edge gateways process actual packets. The safer action is to document Manager control functions separately from host and Edge data-plane functions.

Incorrect Answers

B:

That practice primarily harms the distinct version compatibility activity, in which the goal is to align the software versions required for supported Federation operations. Its failure mechanism is less direct for this specific control and data plane separation review. Here the key requirement is to keep management-plane availability distinct from workload forwarding paths.

C:

That practice primarily harms the distinct backup consistency activity, in which the goal is to recover each fleet networking control plane from documented backups. Its failure mechanism is less direct for this specific control and data plane separation review. Here the key requirement is to keep management-plane availability distinct from workload forwarding paths.

D:

That practice primarily harms the distinct distributed firewall enforcement activity, in which the goal is to enforce security near workload virtual interfaces. Its failure mechanism is less direct for this specific control and data plane separation review. Here the key requirement is to keep management-plane availability distinct from workload forwarding paths.

Question 454

An NSX management environment has no recent configuration backup before a planned upgrade. The engineering team needs to preserve a supported recovery point for the management configuration. What action best addresses the immediate requirement?

  1. configure domain-specific and default DNS forwarding zones
  2. schedule and verify NSX Manager backups before changing component versions
  3. verify Edge virtual NIC and VLAN uplink mapping independently of the management NIC
  4. perform a documented supported NSX restore rehearsal on an appropriate test target

Explanation

Correct Answer

B:

Reliable backups protect management and policy configuration when an upgrade or outage requires restoration. The selected action, schedule and verify NSX Manager backups before changing component versions, directly supports the specified goal to preserve a supported recovery point for the management configuration. A useful confirmation is: A valid recent backup is present in the planned repository and restore prerequisites are documented.

Incorrect Answers

A:

Configure domain-specific and default DNS forwarding zones would address the separate case of dns forwarder domain split, where the objective is to route DNS queries to the appropriate upstream DNS authority. A DNS forwarder can select named zone resolvers instead of sending every query to one list. Here the requirement is instead to preserve a supported recovery point for the management configuration; that step does not directly satisfy it.

C:

Verify Edge virtual NIC and VLAN uplink mapping independently of the management NIC would address the separate case of edge interface mapping, where the objective is to connect gateway uplinks to the intended physical switching path. Management reachability does not establish external dataplane interface readiness. Here the requirement is instead to preserve a supported recovery point for the management configuration; that step does not directly satisfy it.

D:

Perform a documented supported NSX restore rehearsal on an appropriate test target would address the separate case of restore rehearsal, where the objective is to prove management recovery before an actual outage. Only a recovery test establishes that stored backups and required keys/credentials are sufficient. Here the requirement is instead to preserve a supported recovery point for the management configuration; that step does not directly satisfy it.

Question 455

An architect proposes the following step: publish an approved external connectivity profile for the Project while retaining provider ownership. The context is: A business unit requests direct egress, but only platform networking is allowed to govern upstream BGP. What is the strongest technical reason for that decision?

  1. Private and public subnet choices differ in how they are exposed through external connections.
  2. Compatible software levels are required for reliable global intent distribution and realization.
  3. Central external connection controls prevent tenants from changing shared fabric routing.
  4. Overlapping IP space becomes dangerous when exported into a single undifferentiated routing table.

Explanation

Correct Answer

C:

Central external connection controls prevent tenants from changing shared fabric routing. This explains the proposed decision in the current project external connection control situation. The intended outcome is to keep external connectivity changes under provider control, and verification would show: The Project consumes its approved external path but cannot rewrite Tier-0 peer policy.

Incorrect Answers

A:

This statement can describe a private vpc subnet isolation problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to apply the approved private subnet and connectivity design; here the relevant requirement is to keep external connectivity changes under provider control.

B:

This statement can describe a version preflight problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to avoid unsupported Federation control-plane combinations; here the relevant requirement is to keep external connectivity changes under provider control.

D:

This statement can describe a address conflict isolation problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to preserve independent tenant routing contexts and explicit interconnection policy; here the relevant requirement is to keep external connectivity changes under provider control.

Question 456

A vSphere cluster will have twelve NSX-enabled hosts and must use uniform uplink settings. The engineering team needs to prepare NSX transport consistently across a managed cluster. What action best addresses the immediate requirement?

  1. coordinate trunk VLAN admission with the switch team
  2. create a VLAN transport-zone segment with the intended VLAN ID and uplink reachability
  3. verify separate VPC or Project routing contexts and control any shared external connection
  4. apply a validated transport-node profile with the correct switch, TEP and zones

Explanation

Correct Answer

D:

Profiles reduce per-host drift by applying common transport-node settings. The selected action, apply a validated transport-node profile with the correct switch, TEP and zones, directly supports the specified goal to prepare NSX transport consistently across a managed cluster. A useful confirmation is: All intended hosts show successful preparation and matching uplink/zone configuration.

Incorrect Answers

A:

Coordinate trunk VLAN admission with the switch team would address the separate case of physical vlan availability, where the objective is to make the physical fabric carry the VLAN used by the NSX segment. A VLAN-backed NSX network depends on the underlying tagged L2 connectivity. Here the requirement is instead to prepare NSX transport consistently across a managed cluster; that step does not directly satisfy it.

B:

Create a VLAN transport-zone segment with the intended VLAN ID and uplink reachability would address the separate case of vlan transport zone, where the objective is to expose the proper physical VLAN through NSX transport configuration. VLAN-backed segments bridge logical interfaces to matching physical Layer-2 network identifiers. Here the requirement is instead to prepare NSX transport consistently across a managed cluster; that step does not directly satisfy it.

C:

Verify separate VPC or Project routing contexts and control any shared external connection would address the separate case of overlapping tenant addressing, where the objective is to preserve tenant route-context isolation when address overlap is permitted. Overlapping private IPs can coexist only when their routing contexts and interconnect policies avoid ambiguity. Here the requirement is instead to prepare NSX transport consistently across a managed cluster; that step does not directly satisfy it.

Question 457

An architect proposes the following step: use scoped identity and validated API permissions for the tenant policy operation. The context is: An automation job should update only one tenant's security rules, but currently uses a full administrator token. What is the strongest technical reason for that decision?

  1. Automation credentials must follow least privilege and supported policy resource paths.
  2. API clients may reject otherwise reachable endpoints when certificate trust no longer matches.
  3. DHCP relay carries broadcast-derived discovery to a remote DHCP service across L3.
  4. A logical router attachment provides a first-hop gateway for inter-subnet routing.

Explanation

Correct Answer

A:

Automation credentials must follow least privilege and supported policy resource paths. This explains the proposed decision in the current network policy api scope situation. The intended outcome is to restrict automated NSX changes to the intended object boundary, and verification would show: The job can apply authorized tenant changes but receives an appropriate refusal outside its scope.

Incorrect Answers

B:

This statement can describe a certificate identity for integrations problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to restore authenticated API connectivity for dependent tools; here the relevant requirement is to restrict automated NSX changes to the intended object boundary.

C:

This statement can describe a dhcp relay boundary problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to forward guest DHCP requests to the authorized remote server; here the relevant requirement is to restrict automated NSX changes to the intended object boundary.

D:

This statement can describe a segment gateway attachment problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to provide routed connectivity through the intended logical gateway; here the relevant requirement is to restrict automated NSX changes to the intended object boundary.

Question 458

A reviewer must validate the intended NSX outcome. Situation: A design requires stateless high-volume transit across multiple Edge uplinks. Which result most directly demonstrates that the team can enable supported multi-path forwarding at the external routing tier?

  1. The retired Project has no leftover scoped VPCs or rules; other Projects remain healthy.
  2. Independent flows use multiple healthy equal-cost paths and fail over when one is removed.
  3. The intended prefixes appear in the Tier-0 advertised route list and peer routing table.
  4. A route trace shows traffic from the VPC subnet through the intended gateway to external peers.

Explanation

Correct Answer

B:

Independent flows use multiple healthy equal-cost paths and fail over when one is removed. This observation validates the specified tier-0 ha mode choice outcome. Active-active service routers can forward external routing traffic on multiple Edge nodes where supported.

Incorrect Answers

A:

This would validate tenant lifecycle cleanup rather than the needed tier-0 ha mode choice result. Tenant offboarding should clean scoped objects while leaving shared routing and provider services intact. For the present case, the evidence must show that the team can enable supported multi-path forwarding at the external routing tier.

C:

This would validate route redistribution sources rather than the needed tier-0 ha mode choice result. BGP adjacency alone does not guarantee that all relevant NSX network prefixes are exported. For the present case, the evidence must show that the team can enable supported multi-path forwarding at the external routing tier.

D:

This would validate vpc transit gateway association rather than the needed tier-0 ha mode choice result. The defined connectivity profile and Transit Gateway determine how tenant subnets access external networks. For the present case, the evidence must show that the team can enable supported multi-path forwarding at the external routing tier.

Question 459

The enterprise uses a central IPAM system and wants to avoid overlapping manually assigned transport IP pools. The engineering team needs to coordinate NSX address allocation with the authoritative IP planning process. What action best addresses the immediate requirement?

  1. create a VLAN-backed NSX segment with the proper VLAN ID and switch uplink
  2. use scoped identity and validated API permissions for the tenant policy operation
  3. integrate supported automation or IPAM workflow for TEP and subnet assignment
  4. add the prepared Edge nodes to an Edge cluster used for gateway allocation

Explanation

Correct Answer

C:

Centralized address governance reduces collisions and mismatched IP inventory. The selected action, integrate supported automation or IPAM workflow for TEP and subnet assignment, directly supports the specified goal to coordinate NSX address allocation with the authoritative IP planning process. A useful confirmation is: NSX allocations appear in IPAM and a conflicting candidate range is rejected before use.

Incorrect Answers

A:

Create a VLAN-backed NSX segment with the proper VLAN ID and switch uplink would address the separate case of vlan segment creation, where the objective is to extend the designated physical L2 network to the virtual interface. VLAN-backed segments use physical tagged forwarding for integration with non-overlay devices. Here the requirement is instead to coordinate NSX address allocation with the authoritative IP planning process; that step does not directly satisfy it.

B:

Use scoped identity and validated API permissions for the tenant policy operation would address the separate case of network policy api scope, where the objective is to restrict automated NSX changes to the intended object boundary. Automation credentials must follow least privilege and supported policy resource paths. Here the requirement is instead to coordinate NSX address allocation with the authoritative IP planning process; that step does not directly satisfy it.

D:

Add the prepared Edge nodes to an Edge cluster used for gateway allocation would address the separate case of edge cluster membership, where the objective is to make supported Edge capacity available to gateway service routers. Service routers use a selected Edge cluster for their centralized functions. Here the requirement is instead to coordinate NSX address allocation with the authoritative IP planning process; that step does not directly satisfy it.

Question 460

A change review examines the following situation: An Edge uplink is connected to a trunk but cannot ping the upstream router on the intended subnet. Which practice would most directly undermine the requirement to repair the physical uplink addressing or VLAN mismatch before routing configuration?

  1. deploying minimum-size Edge VMs solely because only two gateway objects were created
  2. assuming every Kubernetes pod communicates through a physical VLAN trunk directly
  3. reusing the same connected subnet behind one Tier-1 without route isolation
  4. changing BGP route redistribution while the peer's interface is still unreachable

Explanation

Correct Answer

D:

The anti-pattern, changing BGP route redistribution while the peer's interface is still unreachable, directly conflicts with the requirement to repair the physical uplink addressing or VLAN mismatch before routing configuration. External BGP cannot form until the directly connected dataplane path works. The safer action is to validate segment VLAN ID, Edge interface address and adjacent switchport settings.

Incorrect Answers

A:

That practice primarily harms the distinct edge capacity selection activity, in which the goal is to size Edge service nodes for expected stateful networking demand. Its failure mechanism is less direct for this specific underlay peer troubleshooting review. Here the key requirement is to repair the physical uplink addressing or VLAN mismatch before routing configuration.

B:

That practice primarily harms the distinct kubernetes connectivity mapping activity, in which the goal is to align container networking integration with the NSX and vSphere design. Its failure mechanism is less direct for this specific underlay peer troubleshooting review. Here the key requirement is to repair the physical uplink addressing or VLAN mismatch before routing configuration.

C:

That practice primarily harms the distinct segment ip subnet plan activity, in which the goal is to avoid ambiguous route selection between workload segments. Its failure mechanism is less direct for this specific underlay peer troubleshooting review. Here the key requirement is to repair the physical uplink addressing or VLAN mismatch before routing configuration.

Advanced VMware Cloud Foundation 9.0 Networking (3V0-25.25) Practice Tests