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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Operations and Troubleshooting | 5% | - Diagnostics and problem resolution - Monitoring and logging |
| Topic 2: Versa SD-WAN Infrastructure | 20% | - Versa Director components and functions - Versa Controller and Analytics - Edge device management and deployment |
| Topic 3: Security Services | 10% | - VPN and encryption - Integrated firewall and IPS - Segmentation and threat protection |
| Topic 4: Configuration and Provisioning | 15% | - Zero-touch provisioning - Service deployment and onboarding - Template-based configuration |
| Topic 5: Underlay and Overlay Technologies | 20% | - Overlay connectivity and tunneling - Overlay architecture and concepts - Underlay network design and requirements |
| Topic 6: Network Topologies and Routing | 15% | - Hub-and-spoke, full-mesh, hybrid topologies - High availability and redundancy - Routing protocols and path selection |
| Topic 7: SD-WAN Services and Policies | 15% | - SLA monitoring and link optimization - Application steering and traffic policies - QoS and bandwidth management |
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NEW QUESTION # 42
An SD-WAN branch is deployed behind a NAT device. In the VSM local-tunnel-site output, which field or flag indicates that a WAN link is behind NAT?
Answer: D
Explanation:
The correct answer is A . Versa SD-WAN data-path troubleshooting documentation shows the VSM local- tunnel-site output and includes a legend in which BN means Behind NAT . In the WAN local link details, the output also displays a field named WAN lcl link behind NAT , with values such as 1 or 0, and link flags including [ BN CT PT SLA-P ] when the WAN link is behind NAT.
This information is important because NAT status affects how SD-WAN tunnel endpoints are discovered and how public and private transport addresses are represented. The same output includes both public and private WAN link addresses, making it useful for troubleshooting sites behind NAT, stale tunnel endpoints, or incorrect public-address learning.
WAN lcl vrf-id identifies the local transport routing instance ID, not NAT status. Tenant ID identifies the tenant context. Neighbour site type identifies whether the remote endpoint is a Controller, hub, or SD-WAN site. None of those fields specifically confirms whether the local WAN transport is behind NAT.
NEW QUESTION # 43
Examine the CLI output in the exhibit.
You are reviewing the OSPF adjacency on a VOS CPE, and the output is shown in the exhibit. In this scenario, what is the probable cause of the OSPF adjacency issue?
Answer: A
Explanation:
The correct answer is B . The exhibit shows the OSPF neighbor in the exst state, which means Exchange Start . Versa documentation lists the OSPF neighbor state codes and identifies exst as "exchange start," followed by exchange, loading, and full. In normal OSPF adjacency formation, neighbors progress through initialization and two-way communication before they negotiate database exchange. If the neighbor becomes stuck in ExStart or Exchange, a common and highly probable cause is an MTU mismatch between the two OSPF peers. During database description packet negotiation, the peers must agree on parameters that allow LSDB exchange; an MTU mismatch can prevent the adjacency from advancing to Full.
Option A is less likely because an area mismatch usually prevents the neighbor relationship from forming correctly rather than leaving it stuck in ExStart. Option C is also incorrect because the neighbor has already progressed beyond early states, which indicates that bidirectional communication has occurred. Option D is not the best answer because dropping OSPF multicast 224.0.0.5 would typically prevent discovery or keep the adjacency in an earlier state, not specifically in ExStart.
Therefore, the probable cause is an interface MTU mismatch.
NEW QUESTION # 44
A VOS branch has two WAN circuits. You suspect the configured transport domain mapping is wrong because one link is not building the expected SD-WAN path. Which VSM control-plane command is most useful to check local WAN circuit information, transport domains, NAT status, and local tunnel-site details?
Answer: B
Explanation:
The correct answer is A . Versa SD-WAN data-path troubleshooting documentation instructs administrators to connect to the VSM control plane with vsh connect vsmd and then use show vsm p2mp local-tunnel-sites 0 to check the status of local site objects. The example output includes the local site key, neighbor IP, site type, site name, branch ID, tenant ID, and detailed WAN link information. It also shows fields such as WAN local VRF ID, WAN local link name, circuit information, link ID, behind-NAT status, shaping rate, public and private addresses, link flags, transport domain, and SLA interval.
This command is therefore highly relevant when validating whether the local SD-WAN site has learned and built the correct WAN transport objects for overlay tunnel creation. If a circuit is mapped to the wrong transport domain or has incorrect NAT/public/private address state, the local-tunnel-site output is one of the best places to confirm it.
The other commands are useful for software version, CGNAT summary, or CPU usage, but they do not show the detailed SD-WAN local tunnel-site transport mapping.
NEW QUESTION # 45
You are troubleshooting a branch that cannot form SD-WAN overlay tunnels. The branch has WAN interfaces up, but you suspect remote endpoint objects were not learned. Which VSM command should you use to verify whether remote site objects were learned from BGP or from configuration?
Answer: A
Explanation:
The correct answer is A . Versa data-path troubleshooting documentation gives a specific VSM control-plane workflow for checking SD-WAN tunnel objects. After connecting to the VSM daemon, administrators can use show vsm p2mp local-tunnel-sites 0 to inspect local site objects. To check whether remote site objects were learned from BGP or from configuration , Versa instructs administrators to issue show vsm p2mp tunnel-remote-endpoint tenant < tenant-id > on the VSM control plane.
This command is highly relevant when local WAN interfaces are operational, but overlay tunnel formation is incomplete. It shows remote endpoints such as Controllers, hubs, or branches, along with site type, site name, branch ID, tenant ID, remote WAN link information, and tunnel state-related fields.
show interfaces brief confirms interface state and IP addresses, but it does not show learned remote SD- WAN endpoint objects. CGNAT summary is unrelated to tunnel endpoint learning. System storage is useful for disk checks, but not for SD-WAN overlay endpoint troubleshooting.
NEW QUESTION # 46
As an administrator, you are migrating your legacy WAN to Versa Secure SD-WAN without changing the underlay network. You need to ensure that, during the migration process, legacy WAN sites are allowed to communicate with SD-WAN branches. Which two steps should be implemented to accomplish this task?
(Choose two.)
Answer: C,D
Explanation:
The correct answers are B and C . During a migration from a legacy WAN, such as MPLS Layer 3 VPN, to Versa Secure SD-WAN, an SD-WAN gateway is used to allow communication between SD-WAN-enabled branches and legacy WAN sites. Versa SD-WAN design guidance states that an SD-WAN gateway allows sites connected to the SD-WAN VPN network to communicate with sites connected to a legacy MPLS VPN network. It also explains that this gateway facilitates route exchange between the MPLS underlay network and the SD-WAN VPN network, typically using a dynamic routing protocol such as BGP.
For this design, the hub or gateway must be configured with the Gateway option for the underlay transport so it can act as the interconnect point between the legacy and SD-WAN domains. Versa documentation further describes configuring a BGP peering session on the MPLS transport VR of the gateway to exchange routes from the MPLS provider to the SD-WAN network, and notes that Director Workflows can automate this configuration. Spoke-to-Spoke-Direct is not sufficient for legacy interconnect, and SD-WAN traffic steering policies do not advertise routes.
NEW QUESTION # 47
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