If router R1 advertises three routes for a given prefix X, how many routes is router R2 expected to have for prefix X?

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Two Alcatel-Lucent 7750 SRs are established BGP peers with the following add-paths configuration:

R1: configure router bgp add-paths ipv4 send 4 receive

R2: configure router bgp add-paths ipv4 send 2

If router R1 advertises three routes for a given prefix X, how many routes is router R2 expected to have for prefix X?
A . None
B . 2
C . 3
D . 4

Answer: C