The configuration of R1 to R6 are posted below for your reference, useless lines are omitted: What type of route filtering is occurring on R6?
正解:A
Explanation/Reference: Use the "show running-config" on R6 we will see a distribute-list applying under EIGRP: With this distribute-list, only networks 192.168.46.0; 192.168.56.0 and 150.1.6.6 are advertised out by R6.