* Zero Touch Provisioning (ZTP):
* Juniper Networks' ZTP (Zero Touch Provisioning) process automates the deployment of new devices by allowing them to fetch and execute scripts for configuration and setup as they are powered on and connected to the network.
* Supported Scripting Languages:
* The Junos OS supports several scripting languages that can be used during the ZTP process:
* Shellscripts are often used for general automation tasks.
* Pythonis a widely supported language in Junos, offering powerful scripting capabilities for automating network tasks.
* SLAX(Service Logic Execution Environment) is a scripting language specific to Junos, designed to automate configuration tasks and simplify network operations.
Conclusion:
* Option D:Correct-Junos ZTP supports Shell, Python, and SLAX, making it the correct choice among the provided options.

The designated forwarder is required to prevent duplicate packets from being received on multihomed hosts: In a multihomed CE-to-PE VXLAN environment using EVPN signaling, a host may be connected to more than one PE. Without a designated forwarder, both PEs could forward the same broadcast, multicast, or unicast traffic to the multihomed host, leading to duplicate packets. The designated forwarder ensures that only one PE forwards traffic to the host, preventing this issue.

The two advertisements for the same prefix arrive with different next hops, but the default BGP behavior in Junos is to select a single best path for installation; additional paths are not kept as usable next hops unless multipath is explicitly enabled, so the nonselected next hop is not used.
Also, Junos will not advertise routes to BGP peers unless an export policy explicitly permits them; when it does export, it advertises only the selected active route, not multiple equal candidates.

When a VTEP receives BUM traffic from a local host, it performs normal flooding behavior within the broadcast domain. The frame is replicated to other local interfaces in the same VLAN. It is also replicated to remote VTEPs participating in the same VLAN/VNI for inter-VTEP flooding.
Split-horizon logic prevents sending the flooded frame back out the interface toward the originating host.

* BGP in IP Fabric:
* In an IP fabric, Border Gateway Protocol (BGP) is used to manage the routing between leaf and spine devices. Each device can have the same or different Autonomous System (AS) numbers depending on the network design.
* Multipath Multiple-AS:
* Option B:If every device in the fabric has a different AS number, then enabling Equal-Cost Multi-Path (ECMP) routing requires the multipath multiple-as statement. This configuration allows BGP to consider multiple paths across different AS numbers as equal cost, enabling efficient load balancing across the network.
* Same AS Number Configuration:
* Option A:It's possible for all leaf devices to use the same AS number in an IP fabric, which simplifies the configuration. EBGP (External BGP) will still function correctly in this setup because BGP considers the peering relationship rather than strictly enforcing different AS numbers in this specific use case.
Conclusion:
* Option B:Correct-This statement is essential for enabling ECMP in a multi-AS environment.
* Option A:Correct-Leaf devices can share the same AS number without needing special EBGP configuration.