What does tcpdump do$?$

Performs packet capture and analysis

Brute forces password databases

Handles packet injection

Generates DDoS attack traffic

$2.$

What can protect your network from DoS attacks?

Flood Guard

Dynamic ARP Inspection

IP Source Guard

DHCP Snooping

$3.$

What occurs after a Network Intrusion Detection System $($NIDS$)$ first detects an attack?

Blocks traffic

Triggers alerts

Disables network access