Which configuration onR1 resolves the issue?

Refer to the exhibit.

A company with autonomous system number AS65401 has obtained IP address block 209.165.200.224/27 fro, ARIN. The company needed more IP addresses and was assigned block 209.165.202.128/27 from ISP2. An engineer is ISP1 reports they are receiving ISP2 routes from AS65401 .

Which configuration onR1 resolves the issue?
A . access-list 10 deny 209.165.202.128 0.0.0.31
access-list 10 permit any
!
router bgp 65401
neighbor 209.165.201.1 distribute-list 10 out
B . access-list 10 deny 209.165.202.128 0.0.0.31
access-list 10 permit any
!
router bgp 65401
neighbor 209.165.201.1 distribute-list 10 in
C . ip route 209.165.200.224 255.255.255.224 209.165.201.1
ip route 209.165.202.128 255.255.255.224 209.165.201.5
D . ip route 0.0.0.0 0.0.0.0 209.165.201.1
ip route 0.0.0.0 0.0.0.0 209.165.201.5

View Answer

Answer: A

Explanation: https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/23675-27.html