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What are two reasons why you would deploy an IP fabric instead of a traditional Layer 2 network in a data center? (Choose two.)
Correct Answer: C,D
IP fabricsare Layer 3-centric network designs often used in data centers due to their scalability, efficient routing, and loop-free architecture. Step-by-Step Breakdown: * Layer 3 Load Balancing:IP fabrics useEqual-Cost Multipath (ECMP)to distribute traffic across multiple paths, providing effective load balancing and improving bandwidth utilization. This capability is absent in traditional Layer 2 networks, which do not support ECMP for routing decisions. * Layer 2 Loops:Layer 2 networksare prone to loops because of the lack of TTL (Time-to-Live) mechanisms. Spanning Tree Protocol (STP) is required to prevent loops, but it can introduce inefficiencies by blocking links. In contrast, IP fabrics based on Layer 3 protocols are loop-free and do not need STP. Juniper Reference: * IP Fabric: Juniper's IP fabric solutions offer efficient Layer 3 routing with built-in load balancing and loop prevention, making them ideal for modern data center architectures.