Company XYZ asks for design recommendations for Layer 2 redundancy. The company wants to prioritize fast convergence and resiliency elements. In the design, which two technologies are recommended? (Choose two.)
A.
Design MLAG/MC-LAG into the network wherever possible.
A (MLAG/MC-LAG): Multi-chassis Link Aggregation (MLAG or MC-LAG) provides fast convergence by eliminating STP dependency and creating active-active Layer 2 uplinks.
E (UDLD): UniDirectional Link Detection helps quickly detect and disable one-way fiber failures, preventing loops before STP reacts.
Why other options are incorrect:
B: DHCP snooping provides security against rogue DHCP but not redundancy or fast convergence.
D: BPDU guard protects edge ports but does not contribute to core redundancy or convergence.
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