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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Management & Orchestration | 15% | - Zero-touch provisioning (ZTP) - Versa Director configuration and workflows - Device provisioning and templates - Service chaining |
| Topic 2: Security Services | 15% | - Threat protection and IPS/IDS - URL filtering and DNS security - ZTNA / micro-segmentation - Integrated firewall capabilities |
| Topic 3: Monitoring & Troubleshooting | 10% | - Versa Analytics dashboards - SLA monitoring and reporting - Log analysis and debugging - Common troubleshooting scenarios |
| Topic 4: SD-WAN Fundamentals | 15% | - SLA-based routing principles - WAN virtualization concepts - Transport independence - Underlay vs overlay networking |
| Topic 5: Versa SD-WAN Architecture & Components | 20% | - Versa Operating System (VOS) architecture - Device roles: Controller, CPE, Analytics - Branch CPE deployment modes - Controller architecture (Versa Director, Analytics) |
| Topic 6: Versa FlexVNF Features & Configuration | 25% | - WAN interface configuration and bonding - In-band network telemetry - QoS and traffic shaping - Traffic steering and path selection - Application-aware routing |
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NEW QUESTION # 42
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?
Answer: D
Explanation:
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.
NEW QUESTION # 43
A branch has correct underlay speed and no asymmetric SD-WAN paths, but users still report packet loss during large transfers. You suspect QoS shaping is dropping traffic. Which command is most appropriate to verify interface-level CoS drops?
Answer: A
Explanation:
The correct answer is A . Versa throughput troubleshooting documentation includes a specific section titled Check that Packets Are not Dropped by CoS . It states that if a CoS shaper or rate limiter is configured on the VOS device, it may drop packets when traffic exceeds the configured shaping rate. To check whether CoS is dropping packets, Versa recommends commands including show class-of-services interfaces brief and show class-of-services interfaces detail interface-name.
The detailed interface output displays traffic statistics such as TX packets, TX packets dropped, TX bytes, TX bytes dropped, and per-traffic-class drops. This is exactly the evidence needed to confirm whether shaping or QoS enforcement is causing the observed loss.
show alarms last-n 10 may reveal major events but will not provide per-interface CoS drop counters.
show system uptime only indicates how long the system has been running. show cgnat tenants is relevant for NAT state and tenant CGNAT resources, not QoS drops.
NEW QUESTION # 44
A branch uses a template variable for the WAN VLAN ID. During deployment, Branch-A receives VLAN
100 and Branch-B receives VLAN 200 from device bind data while using the same template. Which statement is correct?
Answer: B
Explanation:
The correct answer is A . Versa template-based provisioning is designed to separate common configuration from site-specific values. A device template can define common interface, service, routing, and SD-WAN behavior, while variables and device bind data provide unique values for each appliance. This allows the same template to be reused across many branches while assigning different WAN IP addresses, gateways, VLAN IDs, circuit names, or other per-site parameters during onboarding.
In this scenario, Branch-A and Branch-B use the same template but receive different WAN VLAN IDs from bind data. That is normal and expected in a scalable SD-WAN deployment. Without variables, administrators would need to create a separate template for every site, which would be operationally inefficient and increase configuration drift.
The Controller does not automatically rewrite VLAN IDs after IPsec comes up; VLAN IDs must be part of the generated device configuration. It is also not required to duplicate the device template for each branch. The correct Versa design is reusable templates plus unique bind-data values.
NEW QUESTION # 45
You need to quickly check interface administrative status, operational status, tenant ID, VRF, MAC address, and IP address on a VOS device. Which command should you use?
Answer: A
Explanation:
The correct answer is A . Versa's handy CLI command reference lists show interfaces brief as the command used to view a list of interfaces along with their MAC addresses, operational and administrative status, tenant ID, VRF, and IP addresses. This is one of the first commands administrators run when validating device bring- up, staging interface assignment, WAN/LAN mapping, or whether a template applied interface addressing as expected.
For deeper interface troubleshooting, show interfaces detail provides additional information such as interface index, host interface, MTU, speed and duplex settings, RX/TX errors, and bridge information. However, for a quick overview of state and addressing across interfaces, show interfaces brief is the correct choice.
show system package-info identifies the running VOS software package. show system storage reports system storage resources. show coredumps shows generated core files. These are valuable operational commands, but they do not provide the requested interface status and addressing summary.
NEW QUESTION # 46
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?
Answer: B
Explanation:
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.
NEW QUESTION # 47
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