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VNX301はVersa Networksのひとつの認証で、VNX301がVersa Networksに入るの第一歩として、VNX301「Versa Certified SD-WAN Specialist (VNX300)」試験がますます人気があがって、VNX301に参加するかたもだんだん多くなって、しかしVNX301認証試験に合格することが非常に難しいで、君はVNX301に関する試験科目の問題集を購入したいですか？
質問 # 33
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?
正解：D
解説：
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.
質問 # 34
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?
正解：D
解説：
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.
質問 # 35
Examine the exhibit below.
You are configuring Class of Service on a WAN-facing network interface, and you want to perform DSCP rewrite on the packets that are forwarded to the WAN.
However, you are not able to turn on DSCP rewrite.
Referring to the exhibit, what is the cause of this issue?
正解：D
解説：
In the exhibit, the Add Associate Interface/Network window has Interface selected, and the interface name is set to vni-0/0 . The DSCP rewrite option is not available because rewrite behavior is intended to be applied at the network association level for the WAN network, not directly while associating only the physical
/logical interface. For WAN-facing CoS, the scheduler and shaping parameters can be attached to an interface, but DSCP rewrite policies are applied to remark traffic as it exits through a network context.
Versa SD-WAN design documentation explains that QoS rewrite rules rewrite packet QoS attributes as packets leave the VOS device, and that rewrite rules can modify IEEE 802.1p bits, IPv4 TOS/DSCP bits, and IPv6 traffic class bits. It also explains that a rewrite policy is commonly applied on a WAN network to remark traffic based on the forwarding class and loss priority assigned by QoS or App QoS policies. In the design example, Versa explicitly describes applying a QoS propagation or rewrite policy on the MPLS WAN network to remark traffic to a DSCP value. Therefore, the issue is the association type: it is set to Interface, not Network.
質問 # 36
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.)
正解：A、C
解説：
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.
質問 # 37
Examine the exhibit below.
A DoS Profile shown in the exhibit is applied to an SD-WAN branch.
Referring to the exhibit, which statement is correct?
正解：C
解説：
The correct answer is B . The DoS profile in the exhibit is a Classified Profile using Source IP Only as the classification key. For TCP flood protection, the profile is enabled and shows an Alarm Rate of 5000 packets per second , an Activate Rate of 7000 packets per second , a Maximum Rate of 100000 packets per second , a Drop Period of 300 seconds , and an action of Random . This means the first threshold, 5000 pps, is used to trigger alarm behavior, while the second threshold, 7000 pps, activates the configured mitigation action. Since the selected action is Random , packets are randomly dropped when the TCP rate reaches the activate threshold.
Versa documentation shows that DoS policies can match traffic using source, destination, service, application, schedule, IP version, DSCP, and other conditions, and that a DoS policy can set either an aggregate or classified DoS profile. It also documents that DoS policies support enforcement actions and logging through LEF profiles for DoS events. Therefore, 7000 pps does not merely generate an alarm, and it does not mean complete dropping. Complete dropping is not selected in the exhibit.
質問 # 38
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VNX301テスト教材は、主に3つの学習モード（Pdf、オンライン、ソフトウェア）をそれぞれ使用します。その中でも、ソフトウェアモデルはコンピューターユーザー向けに設計されており、ユーザーがWindowsインターフェイスを使用して学習のVNX301テスト準備を開くことができます。ユーザーが読むのに便利です。 VNX301テスト教材には、オンライン学習プラットフォームとは異なる最大の利点があります。VNX301クイズトレントは、クライアントにログインして同時に詳細を学習することができ、人々はVNX301あらゆる種類の電子機器のテスト準備。
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