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 43

Question 420

An architect proposes the following step: configure an appropriate SNAT rule on the service gateway. The context is: A protected server subnet must reach a partner that permits only one public source address. What is the strongest technical reason for that decision?

  1. The compute-manager integration links VMs and hosts to the corresponding NSX transport configuration.
  2. Network flow analytics can reveal connected workloads and their communication patterns.
  3. Gateway firewall policy alone cannot inspect a flow that never reaches the external service boundary.
  4. SNAT rewrites matching outbound source addresses for a defined network path.

Explanation

Correct Answer

D:

SNAT rewrites matching outbound source addresses for a defined network path. This explains the proposed decision in the current source nat on egress situation. The intended outcome is to present the approved source address on outbound sessions, and verification would show: The partner sees the allowlisted source IP and replies return to the original workload.

Incorrect Answers

A:

This statement can describe a vsphere integration inventory problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to correlate NSX networking objects with virtualization inventory; here the relevant requirement is to present the approved source address on outbound sessions.

B:

This statement can describe a network flow analysis problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to observe and map actual application communication paths; here the relevant requirement is to present the approved source address on outbound sessions.

C:

This statement can describe a distributed versus gateway firewall problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to apply security where that east-west flow actually travels; here the relevant requirement is to present the approved source address on outbound sessions.

Question 421

A change review examines the following situation: A new BGP peer is established but routes learned through it have a different metric from existing preferred routes. Which practice would most directly undermine the requirement to understand why traffic is not load shared across the new peer?

  1. assuming an established extra BGP neighbor guarantees equal traffic share regardless of route preference
  2. co-locating every HA Edge and uplink on the same failure-prone host
  3. restarting all NSX Managers and Edge nodes as the first troubleshooting step
  4. changing all gateway routes without first locating where the NSX path fails

Explanation

Correct Answer

A:

The anti-pattern, assuming an established extra BGP neighbor guarantees equal traffic share regardless of route preference, directly conflicts with the requirement to understand why traffic is not load shared across the new peer. Only eligible equal-cost next hops enter the relevant ECMP forwarding set under the chosen routing rules. The safer action is to inspect equal-cost best-path attributes and routing policy before claiming ECMP.

Incorrect Answers

B:

That practice primarily harms the distinct ha fault-domain design activity, in which the goal is to maintain gateway availability after a host hardware failure. Its failure mechanism is less direct for this specific ecmp path eligibility review. Here the key requirement is to understand why traffic is not load shared across the new peer.

C:

That practice primarily harms the distinct minimum-impact troubleshooting activity, in which the goal is to reduce incident blast radius while gathering reliable evidence. Its failure mechanism is less direct for this specific ecmp path eligibility review. Here the key requirement is to understand why traffic is not load shared across the new peer.

D:

That practice primarily harms the distinct traceflow path activity, in which the goal is to locate the NSX forwarding or policy decision affecting this flow. Its failure mechanism is less direct for this specific ecmp path eligibility review. Here the key requirement is to understand why traffic is not load shared across the new peer.

Question 422

A reviewer must validate the intended NSX outcome. Situation: One Local Manager trails the Global Manager by an incompatible version and global policy realization becomes unreliable. Which result most directly demonstrates that the team can align the software versions required for supported Federation operations?

  1. The same class of permitted or blocked traffic is observed under the policy in both sites.
  2. The Federation health view reports compatible versions and global objects realize successfully.
  3. Edge service throughput and CPU measurements improve under a controlled comparable load.
  4. An ESXi host outage leaves an alternate Edge and uplink path available for the service.

Explanation

Correct Answer

B:

The Federation health view reports compatible versions and global objects realize successfully. This observation validates the specified version compatibility outcome. Version compatibility matters because Federation control objects and realization depend on supported Manager combinations.

Incorrect Answers

A:

This would validate global security objects rather than the needed version compatibility result. Global groups can match protected resources across sites while a central policy expresses common decisions. For the present case, the evidence must show that the team can align the software versions required for supported Federation operations.

C:

This would validate edge fast packet processing rather than the needed version compatibility result. DPDK-based packet processing reduces generic kernel forwarding overhead for supported Edge paths. For the present case, the evidence must show that the team can align the software versions required for supported Federation operations.

D:

This would validate failure-domain diversity rather than the needed version compatibility result. Logical redundancy offers limited resilience when all members depend on one physical failure point. For the present case, the evidence must show that the team can align the software versions required for supported Federation operations.

Question 423

Two business units share an NSX deployment but must manage only their assigned workloads and VPCs. The engineering team needs to give tenants self-service without cross-tenant administrative rights. What action best addresses the immediate requirement?

  1. create explicit gateway and firewall policy for the shared DNS destination
  2. apply appropriate NSX DFW groups and policy for the segment's workloads
  3. create separate Projects and scoped roles for the two business units
  4. configure a gateway or local DHCP service and appropriate segment DHCP settings

Explanation

Correct Answer

C:

Projects provide administrative and policy boundaries for delegated networking. The selected action, create separate Projects and scoped roles for the two business units, directly supports the specified goal to give tenants self-service without cross-tenant administrative rights. A useful confirmation is: Tenant operators see and manage only the objects authorized in their own Project.

Incorrect Answers

A:

Create explicit gateway and firewall policy for the shared DNS destination would address the separate case of provider shared services, where the objective is to allow a narrow shared-service exception while preserving segmentation. Shared services can be reachable through controlled routing without flattening tenant security boundaries. Here the requirement is instead to give tenants self-service without cross-tenant administrative rights; that step does not directly satisfy it.

B:

Apply appropriate NSX DFW groups and policy for the segment's workloads would address the separate case of segment security placement, where the objective is to ensure connecting a VM to a segment does not bypass microsegmentation policy. Logical network membership alone is not a substitute for workload-level access control. Here the requirement is instead to give tenants self-service without cross-tenant administrative rights; that step does not directly satisfy it.

D:

Configure a gateway or local DHCP service and appropriate segment DHCP settings would address the separate case of tier-1 dhcp service, where the objective is to provide tenant IP lease service through supported NSX DHCP options. NSX DHCP options can issue addresses to logical segment guests when service and scope are configured. Here the requirement is instead to give tenants self-service without cross-tenant administrative rights; that step does not directly satisfy it.

Question 424

A change review examines the following situation: A Tier-1 carries stateful NAT and needs recovery after losing an Edge node. Which practice would most directly undermine the requirement to preserve the gateway's centralized stateful service during eligible node failover?

  1. creating a Tier-1 with no northbound path while expecting internet reachability
  2. attaching VRFs directly under an active-active stateful Tier-0 despite the unsupported combination
  3. setting arbitrary AS numbers without agreeing them with the physical router
  4. treating host distributed routing as a substitute for redundant Edge service placement

Explanation

Correct Answer

D:

The anti-pattern, treating host distributed routing as a substitute for redundant Edge service placement, directly conflicts with the requirement to preserve the gateway's centralized stateful service during eligible node failover. Stateful gateway services require healthy service-router availability and correctly handled failover. The safer action is to configure and validate supported Tier-1 HA placement on redundant Edge nodes.

Incorrect Answers

A:

That practice primarily harms the distinct tier-1 link to tier-0 activity, in which the goal is to connect application-facing logical routing to the enterprise external tier. Its failure mechanism is less direct for this specific tier-1 service continuity review. Here the key requirement is to preserve the gateway's centralized stateful service during eligible node failover.

B:

That practice primarily harms the distinct tier-0 stateful ha constraint activity, in which the goal is to choose a supported combination of VRF and stateful HA features. Its failure mechanism is less direct for this specific tier-1 service continuity review. Here the key requirement is to preserve the gateway's centralized stateful service during eligible node failover.

C:

That practice primarily harms the distinct bgp asn configuration activity, in which the goal is to establish correct BGP neighbor identity and session parameters. Its failure mechanism is less direct for this specific tier-1 service continuity review. Here the key requirement is to preserve the gateway's centralized stateful service during eligible node failover.

Question 425

A new Federation location has deployed Local Managers but has not established central policy coordination. The engineering team needs to onboard the NSX site into a supported multi-location Federation. What action best addresses the immediate requirement?

  1. prepare compatible Local Managers, deploy Global Manager and register the locations
  2. validate flow ownership and return-path handling on supported gateway HA configuration
  3. validate and align Global/Local Manager versions before site registration
  4. verify separate VPC or Project routing contexts and control any shared external connection

Explanation

Correct Answer

A:

Federation requires a functioning global management layer connected to eligible local management instances. The selected action, prepare compatible Local Managers, deploy Global Manager and register the locations, directly supports the specified goal to onboard the NSX site into a supported multi-location Federation. A useful confirmation is: Global Manager lists the correct active locations and synchronization reports healthy realization.

Incorrect Answers

B:

Validate flow ownership and return-path handling on supported gateway HA configuration would address the separate case of ecmp consistency, where the objective is to align ECMP routing with stateful service requirements. ECMP and gateway service state need deliberate compatibility checks to avoid asymmetric drops. Here the requirement is instead to onboard the NSX site into a supported multi-location Federation; that step does not directly satisfy it.

C:

Validate and align Global/Local Manager versions before site registration would address the separate case of version preflight, where the objective is to avoid unsupported Federation control-plane combinations. Compatible software levels are required for reliable global intent distribution and realization. Here the requirement is instead to onboard the NSX site into a supported multi-location Federation; that step does not directly satisfy it.

D:

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 onboard the NSX site into a supported multi-location Federation; that step does not directly satisfy it.

Question 426

An architect proposes the following step: verify Edge virtual NIC and VLAN uplink mapping independently of the management NIC. The context is: A newly deployed Edge has a good management connection but no traffic reaches its external uplink. What is the strongest technical reason for that decision?

  1. Provisioning status is only a prerequisite; production readiness requires packet-flow validation.
  2. Management reachability does not establish external dataplane interface readiness.
  3. Routes must be advertised from the Tier-1 and exported from the Tier-0 to reach physical peers.
  4. Overlapping translation criteria can cause an unintended earlier rule to handle a session.

Explanation

Correct Answer

B:

Management reachability does not establish external dataplane interface readiness. This explains the proposed decision in the current edge interface mapping situation. The intended outcome is to connect gateway uplinks to the intended physical switching path, and verification would show: Edge dataplane uplink link status and neighbor reachability pass the intended tests.

Incorrect Answers

A:

This statement can describe a edge operational readiness problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to confirm Edge cluster readiness under real traffic and a member outage; here the relevant requirement is to connect gateway uplinks to the intended physical switching path.

C:

This statement can describe a tier-1 route advertisement problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to expose the intended Tier-1 segment routes northbound; here the relevant requirement is to connect gateway uplinks to the intended physical switching path.

D:

This statement can describe a nat rule overlap problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to make the specific translation take effect for the partner destination; here the relevant requirement is to connect gateway uplinks to the intended physical switching path.

Question 427

A change review examines the following situation: A compliance review asks how global policy can be restored after a major management outage. Which practice would most directly undermine the requirement to recover the shared management intent with a tested procedure?

  1. overwriting all differences automatically without understanding emergency maintenance intent
  2. marking every optional service successful after only pinging the Tier-1 gateway IP
  3. assuming each Local Manager automatically reconstructs every Global Manager backup artifact
  4. ignoring Manager compatibility because both consoles use the same login page

Explanation

Correct Answer

C:

The anti-pattern, assuming each Local Manager automatically reconstructs every Global Manager backup artifact, directly conflicts with the requirement to recover the shared management intent with a tested procedure. Recovery needs trustworthy backups of global policy and a procedure to restore management relationships. The safer action is to schedule Global Manager backups and rehearse supported restoration.

Incorrect Answers

A:

That practice primarily harms the distinct operational drift reconciliation activity, in which the goal is to identify approved exceptions and correct unintended drift. Its failure mechanism is less direct for this specific global backup recovery review. Here the key requirement is to recover the shared management intent with a tested procedure.

B:

That practice primarily harms the distinct tier-1 gateway smoke test activity, in which the goal is to validate routing, DHCP, DNS and NAT as separate configured capabilities. Its failure mechanism is less direct for this specific global backup recovery review. Here the key requirement is to recover the shared management intent with a tested procedure.

D:

That practice primarily harms the distinct version preflight activity, in which the goal is to avoid unsupported Federation control-plane combinations. Its failure mechanism is less direct for this specific global backup recovery review. Here the key requirement is to recover the shared management intent with a tested procedure.

Question 428

An architect proposes the following step: verify Tier-1 connectivity and default route toward the intended Tier-0. The context is: A Tier-1 segment can reach internal workloads but not a public destination; the logical upstream path is missing. What is the strongest technical reason for that decision?

  1. A valid BGP session needs compatible neighbor reachability and AS configuration.
  2. Edge resource pressure can impair gateway operation independently of route-policy correctness.
  3. Stateful gateway services require healthy service-router availability and correctly handled failover.
  4. A connected application gateway needs a valid route for destinations beyond its local networks.

Explanation

Correct Answer

D:

A connected application gateway needs a valid route for destinations beyond its local networks. This explains the proposed decision in the current default route check situation. The intended outcome is to restore northbound routing to the external connectivity tier, and verification would show: The Tier-1 routing table shows the expected external path and packets reach Tier-0.

Incorrect Answers

A:

This statement can describe a bgp asn configuration problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to establish correct BGP neighbor identity and session parameters; here the relevant requirement is to restore northbound routing to the external connectivity tier.

B:

This statement can describe a edge health operations problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to avoid service instability from exhausted Edge resources; here the relevant requirement is to restore northbound routing to the external connectivity tier.

C:

This statement can describe a tier-1 service continuity problem but is not the technical cause addressed by the proposed step. In that other situation the objective is to preserve the gateway's centralized stateful service during eligible node failover; here the relevant requirement is to restore northbound routing to the external connectivity tier.

Question 429

An enterprise wants one policy-management interface for NSX objects while hypervisor hosts forward virtual-machine traffic locally. The engineering team needs to manage logical network configuration centrally without hairpinning every packet. What action best addresses the immediate requirement?

  1. deploy and maintain a healthy NSX Manager cluster for the management and control functions
  2. connect the segments to a Tier-1 gateway linked toward the Tier-0
  3. upgrade or reconcile the Local Manager to the documented compatible build
  4. plan nonoverlapping reachable manager, transport and remote TEP addressing

Explanation

Correct Answer

A:

The Manager API and user interface manage desired state; workload switching and routing occur in distributed or Edge data-plane components. The selected action, deploy and maintain a healthy NSX Manager cluster for the management and control functions, directly supports the specified goal to manage logical network configuration centrally without hairpinning every packet. A useful confirmation is: Operators can edit logical network policies and see transport-node realization without routing all VM traffic through a Manager.

Incorrect Answers

B:

Connect the segments to a Tier-1 gateway linked toward the Tier-0 would address the separate case of tier-1 workload routing, where the objective is to provide workload-segment routing behind an external connectivity tier. Tier-1 provides application-facing logical routing and a route toward a Tier-0 for external networks. Here the requirement is instead to manage logical network configuration centrally without hairpinning every packet; that step does not directly satisfy it.

C:

Upgrade or reconcile the Local Manager to the documented compatible build would address the separate case of version compatibility, where the objective is to align the software versions required for supported Federation operations. Version compatibility matters because Federation control objects and realization depend on supported Manager combinations. Here the requirement is instead to manage logical network configuration centrally without hairpinning every packet; that step does not directly satisfy it.

D:

Plan nonoverlapping reachable manager, transport and remote TEP addressing would address the separate case of inter-site address planning, where the objective is to avoid conflicting transport and management addresses across site boundaries. Overlapping infrastructure addresses create ambiguity in cross-site control and tunnel connectivity. Here the requirement is instead to manage logical network configuration centrally without hairpinning every packet; that step does not directly satisfy it.

Question 430

Two redundant NSX Edge VMs share one ESXi host and one physical uplink. The engineering team needs to avoid correlated failures for a business-critical north-south path. What action best addresses the immediate requirement?

  1. review uplink-profile teaming and physical-switch connectivity for the TEP path
  2. place redundant Edge nodes across appropriate hosts and physical network failure domains
  3. test application traffic, gateway reachability, and policy after a controlled Federation site-failover scenario
  4. connect a Tier-0 service router over appropriate VLAN uplinks to physical routers

Explanation

Correct Answer

B:

Logical redundancy offers limited resilience when all members depend on one physical failure point. The selected action, place redundant Edge nodes across appropriate hosts and physical network failure domains, directly supports the specified goal to avoid correlated failures for a business-critical north-south path. A useful confirmation is: An ESXi host outage leaves an alternate Edge and uplink path available for the service.

Incorrect Answers

A:

Review uplink-profile teaming and physical-switch connectivity for the TEP path would address the separate case of uplink path diversity, where the objective is to use redundant suitable transport uplinks according to fabric and policy constraints. Teaming and path configuration determine which physical links can carry transport traffic. Here the requirement is instead to avoid correlated failures for a business-critical north-south path; that step does not directly satisfy it.

C:

Test application traffic, gateway reachability, and policy after a controlled Federation site-failover scenario would address the separate case of disaster recovery verification, where the objective is to prove end-to-end multisite recovery readiness. Recovery validity requires more than deployment status; the remote site must pass actual network and security traffic checks. Here the requirement is instead to avoid correlated failures for a business-critical north-south path; that step does not directly satisfy it.

D:

Connect a Tier-0 service router over appropriate VLAN uplinks to physical routers would address the separate case of external uplink routing, where the objective is to design a clear north-south routing demarcation. The Tier-0 external interface provides the route exchange boundary and accommodates physical-network reachability. Here the requirement is instead to avoid correlated failures for a business-critical north-south path; that step does not directly satisfy it.

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