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300-510 · Question #107

300-510 Question #107: Real Exam Question with Answer & Explanation

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Unicast Routing

Question

An engineer applied the summarization configuration on R1 for four networks (192.168.20.0/24 to 192.168.23.0/24) in area 1 and eight networks (192.168.32.0/24 to 192.168.39.0/24) in area 2 to stop the flooding of all the customer routes. While checking the routing table of R2, the engineer noticed that R1 is still sending only specific routes to R2. Which configuration should the engineer apply on R1 to summarize routes? A. B. C. D.

Options

  • AR1(config)# router ospf 1 R1(config-router)# area 1 range 192.168.20.0 255.255.248.0 R1(config-router)# area 2 range 192.168.32.0 255.255.240.0
  • BR1(config)# router ospf 1 R1(config-router)# area 1 range 192.168.20.0 255.255.252.0 R1(config-router)# area 2 range 192.168.32.0 255.255.240.0
  • CR1(config)# router ospf 1 R1(config-router)# area 1 range 192.168.20.0 255.255.253.0 R1(config-router)# area 2 range 192.168.32.0 255.255.253.0
  • DR1(config)# router ospf 1 R1(config-router)# area 1 range 192.168.20.0 255.255.252.0 R1(config-router)# area 2 range 192.168.32.0 255.255.252.0

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Topics

#OSPF#Route Summarization#Area Border Router (ABR)#Subnetting
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