A technician is setting up a surveillance system for a customer. The customer wants access to the system's web interface on the LAN via the systemβs IP address. Which of the following should the technician use to prevent external log-in attempts from the internet?
- APort mapping
- BSubnetting (correct answer)
- CStatic IP
- DContent filtering
Reveal answer & explanationHide answer
The correct answer is B. Option B: Subnetting
Explanation
Subnetting divides an IP network into smaller routing and broadcast domains for address efficiency and segmentation.