In order to properly and rapidly identify the affected areas of the network, you should make use of good mapping tools, including:
- Packet sniffers (like Wireshark)
- Detailed topology diagrams (both physical and logical)
- Other schematics of the network
You need to understand the physical and logical network topology in order to identify the affected areas and trace the problem throughout the network. In addition, you should also be able to use tools like ping, event viewer, and other monitoring tools.
Note: If the organization uses some kind of security policy, you . . .
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