Cisco Certified Network Associate (CCNA) Practice Exam

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Which commands are used to configure EIGRP stub routing?

  1. router eigrp AS NUMBER enable

  2. router eigrp AS NUMBER stub

  3. router eigrp AS NUMBER eigrp stub

  4. router eigrp AS NUMBER stub enable

The correct answer is: router eigrp AS NUMBER stub

The command to configure EIGRP stub routing is indeed the configuration that specifies the router will operate as a stub. By entering "router eigrp AS NUMBER stub," you effectively inform the EIGRP process to treat the router as a stub, which limits the types of routes that are advertised to its neighbors. This is particularly useful in scenarios where a router does not need to receive or advertise all EIGRP routes, such as in branch offices where resource conservation is important. While other options appear to reference commands that may look similar, they do not accurately encapsulate the correct syntax required for configuring a stub routing scenario in EIGRP. This command streamlines the routing protocol's performance and improves network efficiency by reducing unnecessary updates.