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Cisco Implementing Cisco Enterprise Advanced Routing and Services (300-410 ENARSI) 300-410 Question # 100 Topic 11 Discussion

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Cisco Implementing Cisco Enterprise Advanced Routing and Services (300-410 ENARSI) 300-410 Question # 100 Topic 11 Discussion

300-410 Exam Topic 11 Question 100 Discussion:
Question #: 100
Topic #: 11

300-410 Question 100

Refer to the exhibit. The network administrator has configured the Customer Edge router (AS 64511) to send only summarized routes toward ISP-1 (AS 100) and ISP-2 (AS 200).

router bgp 64511

network 172.16.20.0 mask 255.255.255.0

network 172.16.21.0 mask 255.255.255.0

network 172.16.22.0 mask 255.255.255.0

network 172.16.23.0 mask 255.255.255.0

aggregate-address 172.16.20.0 255.255.252.0

After this configuration. ISP-1 and ISP-2 continue to receive the specific routes and the summary route. Which configuration resolves the issue?
A.

router bgp 64511aggregate-address 172.16.20.0 255.255.252.0 summary-only

B.

router bgp 64511neighbor 192.168.100.1 summary-onlyneighbor 192.168.200.2 summary-only

C.

interface E 0/0ip bgp suppress-map BLOCK_SPECIFIC!interface E 0/1ip bgp suppress-map BLOCK_SPECIFIC!ip prefix-list PL_BLOCK_SPECIFIC permit 172.16.20.0/22 ge 24!route-map BLOCK_SPECIFIC permit 10match ip address prefix-list PL_BLOCK_SPECIFIC

D.

ip prefix-list PL_BLOCK_SPECIFIC deny 172.16.20.0/22 ge 22ip prefix-list PL BLOCK SPECIFIC permit 172.16.20.0/22!route-map BLOCK_SPECIFIC permit 10match ip address prefix-list PL_BLOCK_SPECIFIC!router bgp 64511aggregate-address 172.16.20.0 255 255.252.0 suppress-map BLOCKSPECIFIC

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Actual exam question for Cisco 300-410 exam by Rael9805 at Aug 3, 2025, 7:54:41 AM

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