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NEW QUESTION # 90
A member of your organization made changes to a predefined interface map using Juniper Apstra.
Which two statements are correct in this scenario? (Choose two.)
Answer: A,D
Explanation:
According to the Juniper documentation1, an interface map is a configuration template that maps interfaces between logical devices and physical hardware devices (represented with device profiles) while adhering to vendor specifications. An interface map can be either predefined or custom. A predefined interface map is one that ships with Apstra software and supports most qualified Juniper devices. A custom interface map is one that is created by the user to meet specific requirements. An interface map can be stored in either the global catalog or the blueprint catalog. The global catalog contains all the interface maps that are available for use in any blueprint. The blueprint catalog contains the interface maps that are imported from the global catalog and used in a specific blueprint.
When a member of your organization makes changes to a predefined interface map, the following statements are correct:
Changes to interface maps in the global catalog do not affect interface maps that have already been imported into blueprint catalogs. This means that the existing blueprints that use the original version of the interface map will not be impacted by the changes. However, if you want to use the updated version of the interface map in a new or existing blueprint, you need to import it again from the global catalog.
Any changes made to predefined interface maps are discarded when Apstra is upgraded. This means that the changes will not be preserved across different versions of Apstra software. If you want to retain a customized interface map through Apstra upgrades, you need to clone the predefined interface map, give it a unique name, and customize it instead of changing the predefined one directly.
Therefore, the correct answer is A and B. Changes to interface maps in the global catalog do not affect interface maps that have already been imported into blueprint catalogs and any changes made to predefined interface maps are discarded when Apstra is upgraded. Reference: Edit Interface Map | Apstra 4.2 | Juniper Networks
NEW QUESTION # 91
What are two types of virtual networks defined inside Juniper Apstra software? (Choose two.)
Answer: C,D
Explanation:
In Apstra 5.1, a Virtual Network (VN) is Apstra's abstraction for a Layer 2 forwarding domain that groups endpoints into a logical segment across the fabric. Apstra defines virtual networks as being constructed using either VLANs or VXLANs. A VLAN-based VN represents a Layer 2 domain identified by a VLAN ID and is typically used where you want traditional VLAN semantics (often in smaller environments, migration scenarios, or designs where an overlay is not required). A VXLAN-based VN represents the same Layer 2 intent but uses a VXLAN VNI for scalable overlay segmentation, which is the common approach in EVPN-VXLAN data center fabrics.
In an IP fabric architecture, VXLAN provides encapsulation to carry tenant segments over the routed underlay, while EVPN provides the control-plane signaling for MAC/IP reachability. Junos v24.4 leaf devices act as VTEPs, mapping local VLANs/bridge-domains to VNIs and participating in EVPN for advertisement and convergence. Apstra's VN construct allows you to create the segment once (as VLAN or VXLAN type), then consistently attach it to racks, ports, and endpoints through intent-driven workflows (such as connectivity templates and virtual network assignments).
"L2 VPN" and "L3 VPN" are service provider terms and are not the VN "types" in Apstra's data center reference design. In Apstra, tenant L3 separation is modeled by routing zones (VRFs), while the VN itself is specifically either VLAN-based or VXLAN-based.
Verified Juniper sources (URLs):
https://www.juniper.net/documentation/us/en/software/apstra5.1/apstra-user-guide/topics/concept/virtual-networks.html
https://www.juniper.net/documentation/us/en/software/apstra5.1/apstra-user-guide/topics/topic-map/virtual-network-create.html
NEW QUESTION # 92
What are three phases of the Juniper Apstra data center life cycle? (Choose three.)
Answer: B,C,E
Explanation:
Juniper Apstra describes data center fabric management as a full lifecycle that spans three core phases: Design (Day 0), Deployment (Day 1), and Operations (Day 2). These phases map directly to how Apstra applies intent-based networking to a data center fabric.
In the Design phase, you model the intended architecture-templates (3-stage or 5-stage), rack types, logical devices, interface maps, resource pools, and high-level constructs such as routing zones and virtual networks. The objective is to capture intent in a vendor-agnostic way while ensuring consistency and validation before anything is pushed.
In the Deployment phase, Apstra turns the modeled intent into device-level implementation. This includes onboarding systems, assigning device profiles, allocating resources, rendering configurations, and pushing the resulting configuration to switches so the IP fabric becomes operational. This is where Junos v24.4 leaf/spine nodes receive underlay and overlay configuration generated from the blueprint.
In the Operational phase, Apstra continuously validates the running network against intent using telemetry and analytics (IBA), detects deviations and anomalies, supports maintenance workflows (such as drain), and provides troubleshooting tools (queries, time-series utilization, and configuration compliance).
"Configuration" and "installation" are activities that occur within the lifecycle, but the lifecycle phases themselves are Design, Deployment, and Operations.
NEW QUESTION # 93
Which two statements are correct about a Juniper Apstra server? (Choose two.)
Answer: A,B
Explanation:
Juniper Apstra server processes are stateful, meaning they maintain context to support intent- based operations and ensure consistency across the system.
The Apstra server provides REST API endpoints that the UI consumes, enabling programmatic access to all functions available in the UI.
NEW QUESTION # 94
The analytics probe shown in the exhibit is enabled.
The ge-0/0/5 interface on the my-esl-001-leaf1 node receives an average of greater than 1 Mbps of traffic. Which two statements are correct in this scenario? (Choose two.)
Answer: B,C
Explanation:
In Apstra 5.1, an IBA probe is a defined analytics pipeline that applies to a scoped set of graph objects (here, interfaces) and evaluates telemetry against logic defined in its processors. The exhibit shows a probe that consumes Interface Counters Average and then applies a Range processor. In the processor configuration, the Anomalous Range is set to "greater than 1,000,000" (bytes per second-equivalent for ~1 Mbps depending on the probe's metric definition), and Raise Anomaly is set to True. Therefore, when ge-0/0/5 receives an average traffic level above the configured threshold, the probe's condition evaluates as anomalous and Apstra raises a probe anomaly for that interface. That makes statement A correct.
When probe anomalies are raised, Apstra surfaces them in the blueprint's Analytics area because they are analytics-derived findings (as opposed to configuration drift or deployment workflow issues). As a result, the blueprint's Analytics tab indicator changes state (commonly to red with a badge count) to signal active analytics anomalies requiring attention. That makes statement B correct.
This event is not classified as a service anomaly (which is associated with higher-level service intent/assurance objects) unless separately mapped by policy/logic, and it does not primarily drive the Active tab indicator, which is focused on operational state views rather than being the primary alert surface for IBA probe anomalies.
NEW QUESTION # 95
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