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| Certification Vendor: | Versa Networks |
|---|---|
| Exam Name: | Versa Certified Administrator - SD-WAN Specialist (VNX301) |
| Exam Number: | VNX301 |
| Related Certifications: | Versa Certified SD-WAN Associate (VNX100) |
| Exam Format: | Multiple-choice, Scenario-based questions |
| Real Exam Qty: | Approx. 47 |
| Available Languages: | English |
| Recommended Training: | Versa SD-WAN Configuration and Administration (V-SDCA) Versa Advanced Services (V-ASERV) |
| Exam Registration: | Versa Certification Official Page |
| Sample Questions: | Versa Networks VNX301 Sample Questions |
| Exam Way: | Online proctored or authorized testing center |
| Pre Condition: | Recommended: Versa Certified SD-WAN Associate (VNX100) or equivalent SD-WAN experience |
| Official Syllabus URL: | https://academy.versa-networks.com/certification-vnx300/ |
Versa NetworksのVNX301の試験の資料やほかのトレーニング資料を提供しているサイトがたくさんありますが、Versa NetworksのVNX301の認証試験の高品質の資料を提供しているユニークなサイトはJPTestKingです。JPTestKingのガイダンスとヘルプを通して、初めにVersa NetworksのVNX301「Versa Certified SD-WAN Specialist (VNX300)」の認証を受けるあなたは、気楽に試験に合格すことができます。JPTestKingが提供した問題と解答は現代の活力がみなぎる情報技術専門家が豊富な知識と実践経験を活かして研究した成果で、あなたが将来IT分野でより高いレベルに達することに助けを差し上げます。
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質問 # 23
Examine the exhibit below.
You are configuring an IPsec tunnel towards a non-SD-WAN site over the INETTransport-VR. The site IP address is 10.1.1.1. This tunnel is for traffic between the 192.168.100.0/24 and the 192.168.200.0/24 LAN networks. The tunnel does not establish.
Referring to the exhibit, which statement is correct?
正解：D
解説：
The correct answer is A . The exhibit shows that the IPsec VPN is being configured with Tunnel Routing Instance: XIAN-Control-VR . However, the question states that the tunnel is toward a non-SD-WAN site over the INET-Transport-VR . For a site-to-site IPsec tunnel, the tunnel routing instance must match the routing instance used to reach the peer public IP address. In this case, the remote non-SD-WAN peer is
10.1.1.1 , and the intended underlay transport is INET-Transport-VR , not the Control VR.
Versa troubleshooting documentation explains that routing instances are used to define where traffic is sourced and forwarded. For example, configuration examples select routing instances when enabling services or initiating tests, and traffic must use the correct WAN or transport routing instance to reach the remote endpoint. Versa branch troubleshooting also emphasizes that after transport connectivity is available, the branch establishes IKE-based IPsec connectivity; if that connectivity fails, the IPsec-related interface remains down.
Changing the routing instance to global would not be correct because the intended path is specifically INET-Transport-VR. A higher precedence value is not required to establish the tunnel. The policy selector shown already defines local-to-remote interesting traffic, and the key failure is the incorrect tunnel routing instance.
質問 # 24
You want to ensure that devices in your branch sites cannot source traffic from IP addresses that are not assigned to the branch sites. What will solve this problem?
正解：A
解説：
The correct answer is B . The requirement is to stop branch devices from sourcing traffic using IP addresses that do not belong to the branch. This is a source-address enforcement problem, so the correct control is a stateful firewall policy that permits only traffic whose source IP address matches the valid branch LAN prefix or branch-assigned address range. Versa's stateful firewall configuration documentation explains that firewall policy rules include source matching, where the administrator selects the source zone and one or more source addresses to which the rule applies.
By creating an allow rule for the legitimate branch source prefixes and placing a deny rule for all other sources from the branch LAN zone, the VOS device prevents spoofed or unauthorized source addresses from leaving the branch. This is consistent with Versa security policy behavior, where firewall rules evaluate traffic based on zones, addresses, services, applications, and other match criteria. Captive portal verifies user identity but does not directly prevent IP spoofing. An IP filter profile based on applications does not ensure the source address belongs to the branch. Option D is incorrect because allowing traffic to the assigned LAN range controls destination traffic, while this requirement is about validating the source IP address of outbound branch traffic.
質問 # 25
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?
正解：B
解説：
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.
質問 # 26
A branch using DIA with CGNAT reports that new internet sessions intermittently fail. CGNAT pool counters show increasing out-of-ports errors, while out-of-address errors remain zero. What is the most likely problem?
正解：A
解説：
The correct answer is A . Versa CGNAT troubleshooting documentation includes per-pool and resource counters that show allocation behavior and failures. The counters include values such as bindings allocated, bindings freed, allocation failures, out-of-address errors, and out-of-ports errors. It also shows that CGNAT source-port resources are divided and distributed to worker threads by Versa RFD/RFM, and that allocated source-port ranges can be viewed using show rfm table src-port allocated.
If out-of-ports errors increase while out-of-address errors remain zero, the pool still has usable translated IP addresses, but the available port resource for NAT bindings is exhausted. This commonly occurs when too many concurrent sessions share a limited public IP or source-port range. The corrective action would be to expand the NAT resource, add more public translated IPs, adjust port allocation, or reduce excessive session usage.
A missing NAT IP pool would more likely produce out-of-address problems. A wrong zone match might prevent translation entirely, and OSPF in the LAN VR is unrelated to CGNAT port-resource exhaustion.
質問 # 27
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?
正解：D
解説：
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.
質問 # 28
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VNX301絶対合格: https://www.jptestking.com/VNX301-exam.html