In spine-leaf two-tier architecture, every lower-tier switch (leaf layer) is connected to each of the top-tier switches (spine layer) in a full-mesh topology. The leaf layer consists of access switches that connect to devices such as servers. The spine layer is the backbone of the network and is responsible for interconnecting all leaf switches. Every leaf switch connects to every spine switch. Typically a Layer 3 network is established between leaves and spines, so all the links can be used simultaneously.
Every leaf switch is connected to every spine switch and every spine switch is connected to every leaf switch. It's that simple. There is a 0% chance that someone would get this ridiculously easy question wrong. Just saying. gg good day Go Dodgers
https://community.cisco.com/t5/blogs-routing-y-switching/caracter%C3%ADsticas-avanzadas-de-spanningtree-portfast-bpdu-guard-y/ba-p/3104851
PortFast permite que el puerto entre en un estado de Forwarding inmediatamente, pasando por alto los estados Listening y Learning.
In a spine-and-leaf topology, each leaf switch is connected to every spine switch, which is option B. This design provides high bandwidth, redundancy, and low latency between the end hosts connected to the leaf switches and enables east-west traffic to traverse the network fabric in a non-blocking manner. The spine switches act as a high-speed backplane, while the leaf switches provide access ports to end hosts.
In a spine-and-leaf topology, each leaf switch is typically connected to each spine switch, making answer B the correct choice. This provides multiple paths between any pair of devices, allowing for high bandwidth and redundancy in the network. The spine switches act as a central point of connectivity, while the leaf switches connect end devices such as servers, storage devices, or access switches. This architecture is commonly used in data center networks because it is scalable, flexible, and resilient.
Answer B is correct.
https://community.fs.com/blog/leaf-spine-with-fs-com-switches.html
Each leaf switch connects to all spine switches, which creates a large non-blocking fabric, increasing the level of redundancy and reducing traffic bottlenecks.
It is not C because every leaf must connect to every spine, not just two and it's not a loop.
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