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Palo_Alto_Networks

PCCSA · Question #36

Which type of attack floods a target with ICMP requests?

The correct answer is D. denial-of-service. Flooding a target with ICMP (ping) requests is a denial-of-service (DoS) attack - specifically a "ping flood" - which overwhelms the target's resources so it can't respond to legitimate traffic, denying service to real users. A (table poisoning) is wrong - this refers to…

Network Security Fundamentals

Question

Which type of attack floods a target with ICMP requests?

Exhibit

PCCSA question #36 exhibit

Options

  • Atable poisoning
  • Breconnaissance
  • CIP spoofing
  • Ddenial-of-service

How the community answered

(61 responses)
  • A
    7% (4)
  • B
    3% (2)
  • C
    3% (2)
  • D
    87% (53)

Explanation

Flooding a target with ICMP (ping) requests is a denial-of-service (DoS) attack - specifically a "ping flood" - which overwhelms the target's resources so it can't respond to legitimate traffic, denying service to real users.

  • A (table poisoning) is wrong - this refers to corrupting ARP or routing tables to redirect traffic, not flooding with ICMP.
  • B (reconnaissance) is wrong - recon uses tools like ping to discover hosts quietly, not to overwhelm them.
  • C (IP spoofing) is wrong - spoofing fakes a source IP address; it's often used within a DoS attack but isn't the attack type itself.

Memory tip: Think "denial = drowning" - any attack that floods a target to make it unavailable is a DoS attack, regardless of the protocol used (ICMP, UDP, TCP SYN, etc.).

Topics

#ICMP flooding#Denial-of-Service#Network attacks

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