Which router's routing table will be reduced compared to the routing table before the summarization?

Which router’s routing table will be reduced compared to the routing table before the summarization?

exams 4A0-C01 4A0-C01 exam 0 Comments

(Topic 1) Click the exhibit button.

In the IS-IS network shown, router R1 has been configured to summarize network 20.20.1.0/24 and 20.20.2.0/24 as 20.20.0.0/16.

Which router’s routing table will be reduced compared to the routing table before the summarization?
A . Router R1
B . Router R2
C . Routers R1 and R2
D . Router R4

Answer: B