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NEW QUESTION # 27
Off-box agents are consuming too much CPU and memory on your Juniper Apstra controller.
In this scenario, how would you solve this problem?
Answer: D
Explanation:
When off-box agents consume too much CPU and memory on the Juniper Apstra controller, the best solution is to deploy a separate worker VM. The worker VM offloads off-box agent processing from the main Apstra controller VM, ensuring that the controller remains stable and responsive while still supporting large-scale or resource-intensive environments.
NEW QUESTION # 28
Which statement correctly describes the purpose of the Apstra "Time Voyager" feature?
Answer: A
Explanation:
Time Voyager in Juniper Apstra allows administrators to view the historical states of a blueprint over time, compare differences between snapshots, and roll back the network to a previously committed configuration state if needed. This provides a powerful tool for troubleshooting and recovering from unintended changes.
NEW QUESTION # 29
In Juniper Apstra terminology, to which network operating system concept does a routing zone refer?
Answer: D
Explanation:
In Apstra 5.1, a routing zone is the primary construct used to represent an L3 domain for multitenant isolation. In traditional network operating system terms, that maps to a VRF (Virtual Routing and Forwarding instance). Each routing zone is placed "in its own VRF," which provides independent routing tables and isolates IP traffic so that different tenants can reuse overlapping IP subnets without conflict. This is central to modern EVPN-VXLAN data center design, where tenants typically require clean separation of routing and policy boundaries.
Within a routing zone, you can create one or more virtual networks (often mapped to VXLAN segments) that provide L2 extension across racks while still being contained by the tenant's VRF. If L3 gateway services are enabled for those virtual networks, their gateway interfaces (for example, IRB interfaces on Junos v24.4 leaf switches) are associated with the routing zone's VRF so that inter-subnet routing occurs within the tenant boundary.
This terminology distinction is important: an IRB is an interface construct used to provide L3 gateway functionality for a VLAN/VXLAN segment; a VLAN is a Layer 2 segmentation mechanism; and an access list is a policy enforcement tool. A routing zone, however, defines the tenant's L3 routing context, which is precisely what a VRF provides on Junos.
Verified Juniper sources (URLs):
https://www.juniper.net/documentation/us/en/software/apstra5.0/apstra-user-guide/topics/concept/routing-zones.html
https://www.juniper.net/documentation/us/en/software/apstra4.2/apstra-user-guide/topics/concept/routing-zones.html
NEW QUESTION # 30
What are three port group roles that you are allowed to assign to a logical device? (Choose three.)
Answer: A,C,D
Explanation:
In Apstra, a logical device abstracts a physical switch's front-panel layout into one or more panels containing port groups. Each port group has a defined speed and one or more roles that describe how those ports are expected to be used in the fabric. These roles are essential because they constrain where ports may be consumed during rack type and template construction (for example, spine-facing vs server-facing vs generic connectivity).
Apstra-supported port group roles include fabric roles such as Spine and Leaf, and endpoint-facing roles such as Generic (commonly used for ports that connect to servers or external generic systems). Assigning Leaf and Spine roles ensures Apstra can correctly validate and render intent for uplinks and interconnects in a three-stage Clos or larger topologies. Assigning Generic indicates ports that can be used for non-fabric connections (such as server links, external routers modeled as generic systems, or other non-managed endpoints).
The options Empty and Root are not valid Apstra port group roles in the logical device model; Apstra uses other explicit role names (for example, Access, Peer, Unused, Generic, Leaf, Spine, Superspine depending on design type and version). In Junos v24.4 EVPN-VXLAN fabrics, getting these roles correct is foundational because Apstra relies on them to place underlay and overlay configuration onto the right interfaces with predictable results.
Verified Juniper sources (URLs):
https://www.juniper.net/documentation/us/en/software/apstra4.2/apstra-user-guide/topics/concept/logical-devices.html
https://www.juniper.net/documentation/us/en/software/jvd/jvd-collapsed-dc-fabric-juniper-apstra-access-switches/configuration_walkthrough.html
NEW QUESTION # 31
What are two types of virtual networks defined inside Juniper Apstra software? (Choose two.)
Answer: B,D
Explanation:
Juniper Apstra supports two primary types of virtual networks within a data center fabric:
VLAN-based virtual networks - Used in simpler Layer 2 designs or collapsed architectures.
VXLAN-based virtual networks - Used in scalable, modern data center fabrics leveraging EVPN- VXLAN overlays for multi-tenant isolation and Layer 2 extension over Layer 3.
NEW QUESTION # 32
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