Câu 229: SY0-601: CompTIA Security+ 2021

While reviewing the wireless router, a systems administrator of a small business determines someone is spoofing the MAC address of an authorized device. Given the table below: Which of the following should be the administrator’s NEXT step to detect if there is a rogue system without impacting availability?

1. A. Conduct a ping sweep,
2. B. Physically check each system. — đáp án hiện tại
3. C. Deny internet access to the "UNKNOWN" hostname.
4. D. Apply MAC filtering.