A network administrator wants to update a geofencing policy to limit remote access to the corporate network based on country location. Which of the following would the administrator most likely leverage?
The correct answer is IP address blocks because geofencing policies typically rely on public IP address ranges associated with specific geographic regions or countries. According to CompTIA Network+ (N10-009) security objectives, geofencing is a security control used to restrict or allow traffic based on geographic location. This is commonly implemented on firewalls, VPN concentrators, or security gateways by referencing databases that map IP address blocks to countries or regions.
When configuring geofencing, administrators create access control rules that permit or deny traffic from specific country-based IP ranges. This method is effective for limiting remote access to approved geographic locations and reducing exposure to international threat sources.
MAC filtering (Option A) is used within local networks and does not function over the internet for geographic control. Administrative distance (Option B) is a routing concept that determines route preference and has no relation to access control policies. Bluetooth beacon signals (Option C) are used for proximity-based services and indoor positioning, not for country-level remote access restrictions.
Therefore, leveraging IP address blocks is the correct approach for implementing geofencing controls.
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