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| Section | Objectives |
|---|---|
| Data Center Architecture Fundamentals | - Spine-leaf (Clos) architecture design - Layer 2 and Layer 3 data center fabric concepts - Redundancy and high availability principles |
| Data Center Routing Protocols | - OSPF and IS-IS in data center environments - BGP in EVPN-based fabrics - Underlay vs overlay network design |
| EVPN-VXLAN Technologies | - EVPN control plane fundamentals - VXLAN data plane encapsulation - EVPN Type 2 and Type 5 routes |
| Automation and Programmability | - Network configuration consistency and automation concepts - Junos automation basics (scripts, commit scripts) |
| Junos Data Center Switching | - VLANs, trunking, and bridging concepts - QFX switch configuration and operation - Spanning Tree and alternatives in DC designs |
| Operations and Troubleshooting | - Monitoring and verifying EVPN-VXLAN fabrics - Troubleshooting routing and switching issues |
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NEW QUESTION # 60
You want to remove a leaf device from a Juniper Apstra blueprint permanently. What is the correct high-level sequence of steps?
Answer: D
Explanation:
To safely and permanently remove a leaf device from a Juniper Apstra blueprint, the device should first be set to Drain mode to gracefully move traffic away from it, then transitioned to Undeploy mode to remove its configuration from the device. Once undeployed, the device can be safely removed from the blueprint without causing disruption to the rest of the fabric.
NEW QUESTION # 61
You are allowed to assign tags for which three objects? (Choose three.)
Answer: B,D,E
Explanation:
In Juniper Apstra, tags can be assigned to specific objects to make searching, filtering, and organizing easier. The supported objects include:
- Virtual networks
- Interfaces
- Generic systems
NEW QUESTION # 62
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: C,D
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 # 63
What is the purpose of using a routing zone inside Juniper Apstra software?
Answer: B
Explanation:
A routing zone is an L3 domain, the unit of tenancy in multi-tenant networks. You create routing zones for tenants to isolate their IP traffic from one another, thus enabling tenants to re-use IP subnets. In addition to being in its own VRF, each routing zone can be assigned its own DHCP relay server and external system connections. You can create one or more virtual networks within a routing zone, which means a tenant can stretch its L2 applications across multiple racks within its routing zone. For virtual networks with Layer 3 SVI, the SVI is associated with a Virtual Routing and Forwarding (VRF) instance for each routing zone isolating the virtual network SVI from other virtual network SVIs in other routing zones.
NEW QUESTION # 64
In the Juniper Apstra Ul, which three resources are assigned under the Resources menu?
(Choose three.)
Answer: A,B,D
Explanation:
In the Juniper Apstra UI, the Resources menu allows you to create and manage global and local resources that are used for various elements of the network design and configuration. The Resources menu includes the following three types of resources that can be assigned to the network devices and virtual networks:
ASN pools: These are pools of autonomous system numbers (ASNs) that are used for the underlay routing protocol (EBGP) between the leaf and spine devices. You can create ASN pools with either 2-byte or 4-byte ASNs, and assign them to the logical devices in the blueprint. VNI pools: These are pools of virtual network identifiers (VNIs) that are used for the overlay network (VXLAN) between the end hosts. You can create VNI pools with a range of VNIs, and assign them to the virtual networks in the blueprint.
IP address pools: These are pools of IPv4 or IPv6 addresses that are used for various purposes in the network, such as the loopback addresses for the devices, the IP prefixes for the virtual networks, the host IP addresses for the end hosts, and the gateway IP addresses for the IRB interfaces. You can create IP address pools with a range of IP addresses, and assign them to the logical devices and virtual networks in the blueprint.
The following two types of resources are not assigned under the Resources menu:
VTEP pools: These are not resources that can be created or assigned by the user. VTEPs are VXLAN tunnel endpoints that are automatically generated by the Apstra server based on the loopback IP addresses of the devices. VTEPs are used as the source and destination IP addresses for the VXLAN tunnels in the overlay network.
Logical device pools: These are not resources that can be created or assigned by the user.
Logical device pools are groups of logical devices that share the same role, interface map, and resource assignments in the blueprint. Logical device pools are used to simplify the network design and configuration by applying the same settings to multiple devices.
NEW QUESTION # 65
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