CAS-003 · Question #53
The Chief Executive Officer (CEO) of an Internet service provider (ISP) has decided to limit the company's contribution to worldwide Distributed Denial of Service (DDoS) attacks. Which of the…
The correct answer is D. Notify customers when services they run are involved in an attack. E. Block traffic with an IP source not allocated to customers from exiting the ISP's network. Since DDOS attacks can originate from nay different devices and thus makes it harder to defend against, one way to limit the company's contribution to DDOS attacks is to notify customers about any DDOS attack when they run services that are under attack. The company can also…
Question
The Chief Executive Officer (CEO) of an Internet service provider (ISP) has decided to limit the company's contribution to worldwide Distributed Denial of Service (DDoS) attacks. Which of the following should the ISP implement? (Select TWO).
Options
- ABlock traffic from the ISP's networks destined for blacklisted IPs.
- BPrevent the ISP's customers from querying DNS servers other than those hosted by the ISP.
- CScan the ISP's customer networks using an up-to-date vulnerability scanner.
- DNotify customers when services they run are involved in an attack.
- EBlock traffic with an IP source not allocated to customers from exiting the ISP's network.
How the community answered
(36 responses)- A3% (1)
- B8% (3)
- C11% (4)
- D78% (28)
Explanation
Since DDOS attacks can originate from nay different devices and thus makes it harder to defend against, one way to limit the company's contribution to DDOS attacks is to notify customers about any DDOS attack when they run services that are under attack. The company can also block IP sources that are not allocated to customers from the existing SIP's network.
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