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| Section | Objectives |
|---|---|
| Topic 1: Junos Data Center Switching | - Spanning Tree and alternatives in DC designs - QFX switch configuration and operation - VLANs, trunking, and bridging concepts |
| Topic 2: Automation and Programmability | - Network configuration consistency and automation concepts - Junos automation basics (scripts, commit scripts) |
| Topic 3: Operations and Troubleshooting | - Monitoring and verifying EVPN-VXLAN fabrics - Troubleshooting routing and switching issues |
| Topic 4: Data Center Architecture Fundamentals | - Spine-leaf (Clos) architecture design - Redundancy and high availability principles - Layer 2 and Layer 3 data center fabric concepts |
| Topic 5: Data Center Routing Protocols | - OSPF and IS-IS in data center environments - BGP in EVPN-based fabrics - Underlay vs overlay network design |
| Topic 6: EVPN-VXLAN Technologies | - VXLAN data plane encapsulation - EVPN Type 2 and Type 5 routes - EVPN control plane fundamentals |
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NEW QUESTION # 21
What is the primary benefit of using ZTP (Zero Touch Provisioning) in conjunction with Juniper Apstra?
Answer: D
Explanation:
Zero Touch Provisioning (ZTP) allows a new device connected to the network to automatically download its boot image and initial configuration and register itself with the Apstra server without requiring manual console access or configuration. This significantly speeds up fabric deployment and reduces the potential for manual configuration errors.
NEW QUESTION # 22
Which statement is true when onboarding a Juniper Networks device using a Juniper Apstra ZTP server?
Answer: C
Explanation:
The ztp.Json file on the Apstra ZTP server contains the configuration parameters for each device that is onboarded using ZTP. One of the parameters is the State, which can be one of the following values: init, ready, in_progress, done, error, or disabled. The State indicates the current status of the device in the ZTP process. For example, if the State is ready, it means that the device is ready to be onboarded by the Apstra ZTP server. If the State is done, it means that the device has completed the ZTP process and is managed by the Apstra server. The State can be manually set or changed in the ztp.Json file to control the behavior of the device during ZTP.
NEW QUESTION # 23
What is the primary reason for creating an Apstra worker node?
Answer: B
Explanation:
In Apstra 5.1, the worker node's primary purpose is to add scalable runtime capacity to an Apstra cluster by hosting off-box services that would otherwise consume resources on the controller. Specifically, worker nodes run containerized services such as off-box device agents (used to communicate with and manage devices) and Intent-Based Analytics (IBA) components (such as probes and analytics-related services). This design keeps the controller node focused on cluster management and control-plane functions (API handling, cluster-wide state, blueprint control workflows), while shifting resource-intensive operational services to worker nodes.
As your fabric grows-more switches, more telemetry, more devices requiring agent connectivity-CPU and memory demand increases notably, especially when IBA is enabled. Adding worker nodes allows you to scale those container workloads horizontally without redesigning the fabric or reducing analytics coverage. In a Juniper data center built on EVPN-VXLAN with Junos v24.4 leaf-spine roles, this separation helps ensure that Apstra can continuously validate intent, process streaming telemetry, and maintain device communications reliably at scale. Worker nodes therefore exist primarily to offload and scale operational agents and IBA services, improving performance and resilience for larger deployments.
NEW QUESTION # 24
Referring to the exhibit, what needs to change in the IP fabric to make it a valid IP fabric?
Answer: A
Explanation:
To make the IP fabric a valid IP fabric, the connection between the two spine nodes must be removed. This is because an IP fabric is a network topology that uses a spine-leaf architecture, where the spine devices are only connected to the leaf devices, and the leaf devices are only connected to the spine devices. This creates a non-blocking, high-performance, and scalable network that supports Layer 3 routing protocols such as BGP or OSPF. The connection between the two spine nodes in the exhibit violates the spine-leaf design principle and introduces unnecessary complexity and potential loops in the network.
NEW QUESTION # 25
You want to make a widget appear on the main dashboard in Juniper Apstr a. In this scenario, which statement is correct?
Answer: C
Explanation:
In Juniper Apstra, a widget is a graphical element that displays data from an intent-based analytics (IBA) probe. A widget can be used to monitor different aspects of the network and raise alerts to any anomalies. A widget can be viewed by itself or added to an analytics dashboard. A dashboard is a collection of widgets that can be customized and organized according to the user's preference1.
The main dashboard in Juniper Apstra is the blueprint dashboard, which is the default view that shows the network information and configuration for the active blueprint. A blueprint is a logical representation of the network design and intent. The blueprint dashboard can display the system-generated dashboards, the user-generated dashboards, and the individual widgets that are relevant to the network2.
To make a widget appear on the main dashboard in Juniper Apstra, the user needs to set the Default toggle switch to On for the desired widget. This will add the widget to the blueprint dashboard, where it can be viewed along with other network information. The user can also remove the widget from the blueprint dashboard by setting the Default toggle switch to Off for the widget3. Therefore, the statement D is correct in this scenario.
The following three statements are incorrect in this scenario:
When creating the widget, select the Add to Blueprint Dashboard option. This is not true, because there is no such option when creating a widget in Juniper Apstra. The user can only select the widget type, the probe, and the display mode when creating a widget4. To add the widget to the blueprint dashboard, the user needs to set the Default toggle switch to On for the widget after creating it3.
On the blueprint dashboard, click on the Add Widget option. This is not true, because there is no such option on the blueprint dashboard in Juniper Apstra. The user can only view, edit, or delete the existing widgets and dashboards on the blueprint dashboard2. To add a widget to the blueprint dashboard, the user needs to set the Default toggle switch to On for the widget from the widgets table view3.
Widgets automatically appear on the blueprint dashboard. This is not true, because widgets do not automatically appear on the blueprint dashboard in Juniper Apstra. The user needs to manually add the widgets to the blueprint dashboard by setting the Default toggle switch to On for the widgets that they want to see on the blueprint dashboard3. The only exception is the widgets that are part of the system-generated dashboards, which are automatically created and added to the blueprint dashboard based on the state of the active blueprint2.
Reference:
Widgets Overview
Blueprint Summaries and Dashboard
Widgets Introduction
Create Widget
NEW QUESTION # 26
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