Which of the following is the BEST way to reduce the impact of an externally sourced flood attack?

Question

Options

• AHave the service provider block the soiree address.
• BHave the soiree service provider block the address.
• CBlock the source address at the firewall.
• DBlock all inbound traffic until the flood ends.

• A
  82% (28)
• B
  9% (3)
• C
  6% (2)
• D
  3% (1)

Explanation

The best way to reduce the impact of an externally sourced flood attack is to have the service provider block the source address. A flood attack is a type of denial-of-service attack that aims to overwhelm the target system or network with a large amount of traffic, such as SYN packets, ICMP packets, or UDP packets. An externally sourced flood attack is a flood attack that originates from outside the target's network, such as from the internet. Having the service provider block the source address can help to reduce the impact of an externally sourced flood attack, as it can prevent the malicious traffic from reaching the target's network, and thus conserve the network bandwidth and resources. Having the source service provider block the address, blocking the source address at the firewall, or blocking all inbound traffic until the flood ends are not the best ways to reduce the impact of an externally sourced flood attack, as they may not be feasible, effective, or efficient, respectively.

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