Cisco CCNA mock exam questions sample test – Question 424

What is the default Administrative Distance (AD) value for an Enhanced Interior Gateway Routing Protocol (EIGRP) summary route?

A. 1
B. 5
C. 90
D. 20

Correct Answer: B

Explanation:
The default Administrative Distance (AD) value for an Enhanced Interior Gateway Routing Protocol (EIGRP) summary route is 5. The following table shows the AD values for different protocols and their IP routes:
424a
The option 1 is incorrect because this is the default AD value for static routes.
The option 90 is incorrect because this is the default AD value for internal EIGRP routes.
The option 20 is incorrect because this is the default AD value for external BGP routes.
Objective:
Routing Fundamentals
Sub-Objective:
Compare and contrast interior and exterior routing protocols