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JN0-1331 · Question #100
JN0-1331 Question #100: Real Exam Question with Answer & Explanation
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Question
Click the Exhibit button. Referring to the network shown in the exhibit, a SYN flood attacks is initiated by an attacker that has a public IP address from ISP B within the 200.200.10.0/24 prefix. The attacker is sending SYN packets to the victim, connected to ISP A, with destination address of 100.100.31.78 using spoofed source addresses at random from the 192.168.0.0/16 prefix. Which two design best practices would prevent this attack from working? (Choose two.)
Exhibit
Options
- AISP A should implement an ingress firewall filter on router R2 to discard traffic originating from the
- BISP A should implement an ingress firewall filter on router R3 to discard traffic originating from the
- CISP A should implement an ingress firewall filter on router R3 to discard traffic originating from the
- DISP B should implement an ingress firewall filter on the router R5 interface connecting to the
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