Which two design principles should be followed to scale EIGRP properly? (Choose two.)

Question

Options

• AEnsure that the network design follows a structured hierarchical topology.
• BUtilize route summarization on edge devices.
• CImplement multiple autonomous systems, regardless of the size of the network.
• DTune EIGRP delay metric on all core devices.
• EConfigure offset lists on the network border.

• A
  76% (38)
• C
  12% (6)
• D
  8% (4)
• E
  4% (2)

Explanation

Two key EIGRP scaling best practices are: (A) A structured hierarchical topology (core, distribution, access) limits the propagation of topology changes and EIGRP queries, which is the primary scaling concern; and (B) Route summarization at distribution or edge devices reduces the size of topology tables and, critically, limits the scope of EIGRP query propagation - unbounded queries across a large flat network are the most common EIGRP scalability problem. Option C is incorrect - splitting into multiple autonomous systems adds complexity and is not recommended unless there is a specific reason. Option D is incorrect - tuning delay is a metric manipulation technique, not a scalability principle. Option E is incorrect - offset lists manipulate metrics and are unrelated to scaling EIGRP.

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