True or False:
DoS and DDoS attacks can be mitigated by organizations blocking external ICMP packets with firewalls.
- True
- False
Explanation: Network devices use Internet Control Message Protocol (ICMP) packets to send error and control messages, such as whether or not a device can communicate with another on the network. To prevent DoS and DDoS attacks, organizations can block external ICMP packets with the firewalls.
Exam with this question: 2.3.13 Check Your Understanding - Cyber Attacks
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