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| Section | Objectives |
|---|---|
| Topic 1: Monitoring, Analytics and Troubleshooting | - Versa Analytics dashboards - Troubleshooting SD-WAN performance issues |
| Topic 2: Policy-Based Routing and Traffic Steering | - Application-aware routing policies - Path selection and SLA-based steering |
| Topic 3: QoS and Performance Optimization | - QoS/CoS configuration - Latency, jitter, and bandwidth optimization |
| Topic 4: Security and Encryption | - Encryption and certificate management - Firewall policies and security services |
| Topic 5: High Availability and Redundancy | - HA active-active and failover design - Redundant gateway and link resiliency |
| Topic 6: SD-WAN Fundamentals and Architecture | - Underlay and overlay network design - SD-WAN principles and architecture concepts |
| Topic 7: Deployment and Provisioning | - Branch and edge deployment models - ZTP and onboarding workflows |
| Topic 8: Versa SD-WAN Platform Components | - VOS components and CPE devices - Versa Controller, Director, Analytics roles |
除了Versa Networks 的VNX301考試，最近最有人氣的還有Cisco，IBM，HP等的各類考試。但是如果你想取得VNX301的認證資格，KaoGuTi的VNX301考古題可以實現你的願望。不要因為對考試沒有信心就放棄考試，因為你完全可以通過KaoGuTi的考試資料來達成自己的目標。取得了VNX301的認證資格以後，你還可以參加其他的IT認證考試。只要有KaoGuTi的考古題在手，什么考试都不是问题。
問題 #19
Which two statements are true about templates? (Choose two.)
答案：A,C
解題說明：
The correct answers are C and D . Versa templates are designed to reuse common configuration while still allowing per-device customization. Template variables allow the same template to be deployed to multiple appliances while using device-specific values such as addresses, VLAN IDs, DHCP information, or other bind-data values. Versa documentation for deploying templates describes assigning values to variables contained in a main template that are specific to the device. This makes option C correct.
Option D is also correct because Versa workflows are used to create templates for VOS device configuration.
Versa documentation states that workflows are used to create templates to configure VOS devices, and also to create templates for application steering, spoke groups, and service chains.
Option A is not correct in the normal Versa Director onboarding model because a group of devices is associated with one staging template and one post-staging template, rather than multiple device templates being stacked per appliance. Option B is also incorrect because service templates are optional reusable service-specific fragments. Versa documentation states that service templates can be used by multiple device templates and device groups, but it does not require every appliance to have one.
問題 #20
Examine the exhibit below.
You are deploying Versa Secure SD-WAN and require high availability for the Versa Directors. You configured the Versa Director high availability parameters shown in the exhibit. With the parameters shown, which two statements are true? (Choose two.)
答案：C,D
解題說明：
Comprehensive and Detailed 150 to 250 words of Explanation From Versa Networks SDWAN Topics:
The correct answers are B and D . In the exhibit, Enable Auto Switchover is not selected. However, the Failover Timeout value is configured as 300 seconds . Versa Director HA documentation states that the Failover Timeout is the timeout period before the standby Director node can promote itself to become the active Director node. Therefore, if the active or primary Director fails, the backup Director can automatically assume the active role after the failover condition and timeout are met.
The important distinction is that Auto Switchover controls revertive behavior after recovery, not the initial standby takeover during failure. Versa documentation explains that Director HA is non-revertive by default.
This means that when the designated master or primary Director comes back online after recovery, it is not automatically promoted back to active unless automatic switchover is enabled. To make the designated active Director automatically reclaim the active state after recovery, Enable Auto Switchover must be selected and the Auto Switchover Timeout must expire.
問題 #21
A tenant uses CGNAT for internet breakout. You want to verify whether CGNAT rules, pools, static NAT entries, subscribers, and endpoint-independent mapping entries are programmed in the vsmd daemon for a tenant. Which command should you use after connecting to vsmd?
答案：C
解題說明：
The correct answer is A . Versa CGNAT troubleshooting documentation provides commands to inspect CGNAT state inside the vsmd daemon. To view summary information about configured tenants, the document instructs administrators to issue show cgnat tenants . The sample output shows each tenant ID and counters such as the number of configured rules, pools, DS-Lite service chains, 6RD service chains, static NAT entries, subscribers, endpoint-independent mapping entries, endpoint-independent filtering entries, and softwires.
This command is especially useful when CGNAT configuration appears correct in Director but translation is not happening, because it confirms whether the runtime dataplane process actually has the tenant CGNAT state.
show interfaces brief shows interface status and IP addressing. show alarms shows event notifications, and show system uptime shows how long the system has been running. These are useful operational commands but do not show CGNAT tenant programming inside vsmd.
問題 #22
A branch device has completed Stage 3 onboarding. Which set of tunnels or sessions should exist after the device becomes fully operational in the customer SD-WAN network?
答案：A
解題說明：
The correct answer is A . In Versa Secure SD-WAN onboarding, the branch moves through three staging phases before becoming fully operational. Versa documentation states that in Stage 3 , Versa Director pushes the stage-three configuration to the branch device over the IKE session and reboots the branch. After this stage, the branch becomes fully operational and is part of the customer SD-WAN network. At this point, IKE and IPsec sessions are created between the branch and Controller , and VXLAN and ESP sessions are created between branch to branch .
This distinction is important because the Controller connection is used for SD-WAN control-plane functions, while branch-to-branch overlay communication uses tunnel encapsulation for data forwarding. The documentation also notes that branch-to-branch ESP is maintained using a lightweight DH key-pair proprietary protocol.
Options B, C, and D are incorrect. HTTPS to Director alone does not represent the complete SD-WAN operational tunnel state. BGP to Analytics is not the required operational tunnel set. GRE-only tunnels without IPsec do not match the Versa Stage 3 SD-WAN tunnel behavior described in the staging documentation.
問題 #23
You are configuring the BGP routing protocol between a Versa Secure SD-WAN CPE with AS number
64514 and two upstream service providers: SP1 with AS number 64515 and SP2 with AS number 64519. You want to prefer BGP routes learned from AS 64515 over routes learned from AS 64519. Which BGP path attribute would be used to accomplish this task?
答案：D
解題說明：
The correct answer is LOCAL_PREF . In BGP, the Local Preference attribute is used inside an autonomous system to influence which exit path is preferred for outbound traffic. In this scenario, the Versa Secure SD- WAN CPE receives routes from two upstream service providers, SP1 and SP2. To prefer routes learned from AS 64515 over routes learned from AS 64519, you would apply a BGP import or route policy that assigns a higher local preference to routes received from SP1. Versa SD-WAN design guidance shows this exact routing concept: an import policy can manipulate the Local-Pref attribute to prefer one advertised route path over another. The Versa output examples also display "Local Preference" as a BGP route attribute used in route selection.
MULTI_EXIT_DISC, or MED, is generally used to influence how a neighboring AS enters your AS, not how your CPE prefers routes learned from different upstreams. ORIGIN is part of BGP best-path selection but is not normally the administrative tool used to prefer one provider. NEXT_HOP identifies the next-hop address and does not directly define route preference.
問題 #24
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