What is the administrative distance (AD) of EIGRP?

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Multiple Choice

What is the administrative distance (AD) of EIGRP?

Explanation:
Administrative distance is the trust level a router gives to routes learned from a specific routing protocol; the lower the value, the more preferred that route becomes when multiple protocols advertise the same destination. For EIGRP, the distance used for routes learned from within the same EIGRP process (internal routes) is 90. That means, if another protocol also offers a route to the same destination, the router will choose the EIGRP internal route because 90 is lower than those other values (for example, OSPF is 110, IGRP is 100). The option 90 is the correct AD for EIGRP internal routes. Note that EIGRP external routes have a higher AD (170), which would be less preferred than internal EIGRP routes, but that value isn’t listed here.

Administrative distance is the trust level a router gives to routes learned from a specific routing protocol; the lower the value, the more preferred that route becomes when multiple protocols advertise the same destination.

For EIGRP, the distance used for routes learned from within the same EIGRP process (internal routes) is 90. That means, if another protocol also offers a route to the same destination, the router will choose the EIGRP internal route because 90 is lower than those other values (for example, OSPF is 110, IGRP is 100). The option 90 is the correct AD for EIGRP internal routes. Note that EIGRP external routes have a higher AD (170), which would be less preferred than internal EIGRP routes, but that value isn’t listed here.

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