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| Certification Vendor: | Versa Networks |
|---|---|
| Exam Name: | Versa Certified Administrator - SD-WAN Specialist |
| Exam Number: | VNX301 |
| Exam Duration: | 90 minutes |
| Passing Score: | Not officially published |
| Real Exam Qty: | 60 |
| Exam Price: | $150 USD |
| Exam Format: | Multiple Choice, Multiple Select |
| Available Languages: | English |
| Certificate Validity Period: | 2 years |
| Related Certifications: | Versa Certified SD-WAN Associate (VNX100) |
| Recommended Training: | Versa Secure SD-WAN Configuration and Administration Versa Advanced Services Training |
| Exam Registration: | Versa Academy Certification Page Kryterion Testing Services |
| Sample Questions: | Versa Networks VNX301 Sample Questions |
| Exam Way: | Online proctored or onsite testing center via Kryterion |
| Pre Condition: | Must hold Versa Certified SD-WAN Associate (VNX100); 1+ year hands-on experience recommended |
| Official Syllabus URL: | https://academy.versa-networks.com/certification-vnx300 |
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| 主題 | 簡介 |
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| 主題 2 |
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| 主題 3 |
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問題 #41
A CGNAT rule is configured, but traffic is not being translated. You want to confirm whether the expected source and destination prefixes are programmed in the CGNAT access list for the tenant. Which command is most appropriate?
答案:B
解題說明:
The correct answer is A . Versa CGNAT troubleshooting documentation states that, after connecting to the vsmd daemon, administrators can view CGNAT access lists used for traffic matching with the command show cgnat acl info < tenant-id > . The sample output shows ACL handle, rule ID, category, precedence, VRF, source IP, destination IP, tenant ID, and total filters.
This is the correct command when NAT configuration appears present but translations do not occur, because it verifies whether the runtime dataplane has the correct traffic-match rules. If the source prefix, destination prefix, VRF, or precedence is wrong, the session may never match the NAT rule, and no translation will be applied.
show system status checks system services. show device clients shows active and failed sessions, CPU usage per session, and memory load for processes. show system storage shows disk usage. These commands are useful in other troubleshooting workflows, but they do not validate CGNAT ACL matching criteria for tenant traffic.
問題 #42
A new SD-WAN branch has completed factory-default onboarding and Versa Director has pushed the staging configuration. After reboot, the branch still tries to connect to the staging server instead of the Controller.
Which configuration item is most likely incorrect or missing in the stage-two configuration?
答案:D
解題說明:
The correct answer is A . During Versa SD-WAN onboarding, the branch uses the staging server only in the early part of the process. Versa documentation states that in Stage 1 , the branch starts an IKE session with the staging server, receives an IP address, and is informed of the Versa Director IP address. In Stage 2 , Versa Director pushes the stage-two configuration to the branch through the staging server. In this stage-two configuration, the Controller IP address is given as the remote IP address in the IPsec profile , and the branch is rebooted. After reboot, the branch should establish the IKE session with the Controller.
If the branch keeps trying to connect to the staging server after the stage-two reboot, the most likely issue is that the stage-two IPsec profile still points to the staging server or does not contain the correct Controller remote IP. Analytics, DHCP, and URL filtering settings do not determine whether the branch moves from staging-server connectivity to Controller IKE connectivity.
問題 #43
A tenant has two internet circuits and one LTE backup circuit. The forwarding profile lists the internet circuits with priority 1 and LTE with priority 2. The next-hop selection method is Load Balance. What is the expected behavior while both internet circuits are healthy?
答案:A
解題說明:
The correct answer is A . In Versa SD-WAN forwarding profiles, next-hop priorities define which circuits are preferred. When the Load Balance next-hop selection method is used and two circuits share the same priority, sessions can be distributed across those equal-priority paths as long as they are usable and SLA- compliant. A lower priority number represents a more preferred group than a higher priority number.
Therefore, two circuits with priority 1 are preferred over LTE with priority 2 .
In this scenario, both internet circuits are healthy and both have priority 1. The VOS device should load- balance sessions across those two circuits. LTE remains available as a lower-priority backup path and would normally be considered only when the preferred internet circuits are unavailable, fail path checks, or no longer meet the applicable policy conditions.
Traffic is not replicated because replication is a separate feature and not implied by Load Balance. The branch does not drop traffic while valid paths exist. LTE is not preferred merely because its priority number is higher; in path selection, priority 1 is preferred over priority 2.
問題 #44
During branch onboarding, you need to verify whether the Controller has sent branch-connect and branch- disconnect notifications to Versa Director. Which CLI command should be used?
答案:B
解題說明:
The correct answer is A . Versa troubleshooting documentation states that after a branch device successfully establishes an IPsec connection to the Controller node, the Controller sends a notification to the Director node. To display the details of this notification, the documentation instructs administrators to issue the show alarms CLI command. It also provides examples using show alarms | match branchd | match br101 to view branch-connect and branch-disconnect events.
These alarm entries are valuable during onboarding because they show whether the branch reached the Controller, whether staging progressed, and whether the branch later disconnected. For example, branch lifecycle notifications include factory-default connection, staged connection, Stage 3 connection with WAN IP addresses, and branch disconnect events.
show system storage is useful for disk usage, show interfaces detail helps with link state, speed, duplex, and interface counters, and show cgnat acl info is used for CGNAT matching. None of those commands directly confirms branch lifecycle notifications between Controller and Director.
問題 #45
While troubleshooting the SD-WAN data path, you run show vsf tunnel access-circuits ... detail and see the following encapsulation chain: VMLH, MPLS-over-GRE, IPsec-ESP, and VXLAN. What does this output primarily confirm?
答案:A
解題說明:
The correct answer is B . Versa's SD-WAN data-path troubleshooting documentation shows that show vsf tunnel access-circuits ... detail can display the access-circuit state and encapsulation chain used for tunnel forwarding. In the example, the output lists multiple encapsulations, including VMLH , MPLS-over-GRE , IPsec-ESP , and VXLAN . It also shows transport details such as source IP, destination IP, UDP transport, tunnel MTU, SPI values, and SLA state.
This confirms that the VOS data plane has built the SD-WAN tunnel encapsulation stack required to forward overlay traffic across the underlay. IPsec-ESP in the chain indicates encrypted tunnel handling, while VXLAN and other encapsulation components are part of the SD-WAN overlay forwarding structure.
The output does not indicate simple bridging, plain-text-only GRE, or bypass of the VOS data plane.
Instead, it proves that the packet path is being processed through the VOS tunnel forwarding framework and that the administrator is looking at the SD-WAN access-circuit tunnel state.
問題 #46
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VNX301考試心得: https://www.kaoguti.com/VNX301_exam-pdf.html