Free VMware 3V0-25.25 Exam Dumps Questions & Answers

Which two statements describe the recommended strategy for configuring and synchronizing security policies across Federated NSX sites? (Choose two.)

• A.  Security policies should be defined locally on each LM and only synchronized manually by an administrator to prevent accidental conflicts.
• B.  Local Managers (LMs) can define local policies, but any global policies defined on the GM always take precedence over the local ones.
• C.  The Global Manager only synchronizes networking (L2/L3) configurations. Security rules must be configured separately on each site.
• D.  Security policies, such as Distributed Firewall rules and security groups, must be defined as global policies on the Global Manager (GM).
• E.  Consistency is achieved by ensuring all security groups have the exact same name on every Federated site's Local Manager (LM).

An architect is designing a VMware Cloud Foundation (VCF) solution. The following information was gathered during the assessment phase:
* There is a critical application used by the Finance Team.
* The critical application has an availability and recoverability SLA of 99.999%.
* The critical application is sensitive to network changes.
Which two configurations should the architect include in their design? (Choose two.)

• A.  Configure multiple static routes on Tier-1 gateway.
• B.  Configure Tier-1 gateway for eBGP and ECMP.
• C.  Enable BFD on the Tier-0 gateway.
• D.  Install and configure hosts with 100Gbps physical NICs.
• E.  Configure Tier-0 gateway for eBGP and ECMP.

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.  Secondary site must failover all workloads to Primary site.
• B.  All traffic is blocked until secondary site LM recovers.
• C.  Only local policies work; global policies cease to apply on the secondary site.
• D.  The data plane operates normally until LM recovery and reconnection.

The administrator is implementing a multi-location VMware Cloud Foundation (VCF) environment. The design requires centralized security and networking policies across multiple VCF instances. What action must the administrator take to satisfy the requirements?

• A.  Deploy a Local Manager (LM) cluster using VCF Operations.
• B.  Use SDDC Manager to deploy a Global Manager cluster.
• C.  Use VCF Installer to deploy a Local Manager (LM) cluster.
• D.  Deploy a Global Manager cluster manually.

An administrator is responsible for a VMware Cloud Foundation (VCF) Private Cloud. The administrator has been tasked with identifying why there is no data ingress into a workload domain.
The workload domain has been configured with:
. A dedicated NSX Edge Cluster.
. A Tier 0 gateway.
. A Tier-1 gateway that is configured for Distributed Routing only.
. An NSX segment where a test virtual machine is located.
As part of the exercise, the administrator must map the traffic flow for data ingress into the workload domain to identify the steps that external network traffic will take to ingress into the workload domain and reach the virtual machine.
Drag and drop the six steps from the Steps list on the right and place them in order in the Solution Steps.
(Choose six.)

Correct Answer:

Explanation:
To identify why there is no data ingress into a workload domain, an administrator must understand the specific path external traffic takes. For a workload domain configured with a Tier-0 gateway and a Tier-1 gateway (Distributed Routing only), the ingress traffic flow follows a hierarchical path from the physical network through the NSX logical components to the virtual machine.
Ingress Traffic Flow Sequence
The correct sequence of steps for external network traffic to ingress the workload domain and reach the virtual machine is as follows:
* Uplink for the Tier-0 Service Router (SR): Traffic enters the NSX environment from the physical network through the physical-to-logical interface on the Edge node.
* Inter-Tier interface of the Distributed Router (DR) of the Tier-0 gateway: After being received by the Service Router, the packet is routed internally within the Tier-0 gateway to its distributed component.
* Inter-tier interface of the Distributed Router (DR) on the Tier-1 gateway TEP on the Edge: The Tier-0 gateway routes the packet to the Tier-1 gateway. In this specific scenario, since the Tier-1 is
"Distributed Routing only," this logical transition occurs on the Edge node participating in the transport zone.
* TEP on the destination host: The Edge node encapsulates the packet (typically via Geneve) and tunnels it across the physical fabric to the specific ESXi host where the target virtual machine is currently residing.
* Downlink interface of the Tier-1 Distributed Router (DR) to the segment to which the workload VM is attached: On the destination host, the packet is de-encapsulated. The local Tier-1 DR instance identifies the correct logical segment (VNI) for the destination IP.
* NSX portgroup representing the destination segment on the destination host dvfilter and vNic of the workload VM: The packet is delivered to the virtual switch port, passes through any applied Distributed Firewall (dvfilter) rules, and finally reaches the virtual machine's network interface card (vNIC).