Help with a question ICND1 wendell odom...

Hi, I don't post much, so this is my first post and I'm hoping someone could please explain this answer to me...much appreciated. I don't understand which would be added to the routing table from a debug ip rip command...please help me understand

. This is from the cd in back of the book Pearson IT Cert. Practice test.
Heres the question...The exhibit shows an output from a working RIP router. Which entries are put into the routing table?

EXHIBIT

HICKORY#debug ip rip
RIP protocol debugging is on
HICKORY#
00:35:50: RIP: received v1 update from 207.87.7.2 on Ethernet0
00:35:50: 10.0.0.0 in 2 hops
00:35:50: 207.87.1.96 in 1 hops
00:35:50: 207.87.3.0 in 2 hops
00:35:50: 207.87.4.0 in 2 hops
00:35:50: 207.87.5.0 in 3 hops
00:35:50: 207.87.6.0 in 3 hops
00:35:50: RIP: received v1 update from 207.87.1.33 on Serial0
00:35:50: 10.0.0.0 in 2 hops
00:35:50: 207.87.1.64 in 1 hops
00:35:50: 207.87.3.0 in 2 hops
00:35:50: 207.87.4.0 in 2 hops
00:35:50: 207.87.7.0 in 1 hops
00:35:50: 207.87.5.0 in 3 hops
00:35:50: 207.87.6.0 in 3 hops
00:35:50: RIP: received v1 update from 207.87.1.65 on Serial1
00:35:50: 10.0.0.0 in 1 hops
00:35:50: 207.87.1.32 in 1 hops
00:35:50: 207.87.1.64 in 1 hops
00:35:50: 207.87.3.0 in 2 hops
00:35:50: 207.87.4.0 in 2 hops
00:35:50: 207.87.7.0 in 2 hops
00:35:50: 207.87.5.0 in 3 hops
00:35:50: 207.87.6.0 in 3 hops
HICKORY#

ANSWER CHOICES...

A. 10.0.0.0 in 1 hop <<this is the answer
B. 0.0.0.0/0 in 2 hops
C. 207.87.1.0 in 1 hop
D. 207.87.5.0 in 3 hop <<this is the answer
E. 10.0.0.0 in 2 hops
F. 207.87.1.0 in 2 hops

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Comments

Monkerz

asset wrote: »

A. 10.0.0.0 in 1 hop <<this is the answer <-This network is being advertised from neighbor 207.87.1.65, has best metric
B. 0.0.0.0/0 in 2 hops <-No default route is being received from a neighbor
C. 207.87.1.0 in 1 hop <-This network is not being received from neighbor
D. 207.87.5.0 in 3 hop <<this is the answer <- This network is advertised from all 3 neighbors, metrics match
E. 10.0.0.0 in 2 hops <- the route above with a hop of 1 has a shorter distance to the network
F. 207.87.1.0 in 2 hops <-This network is not being received from neighbors

Only the best route to a destination makes it to the routing table. It is better to go through the possible answers and ask yourself if that would make it to the routing table, rather than trying to take in all that debug output at once.

asset

@Monkerz thank-you, for the useful advice the way you showed me to solve was very informative