CAS-005 · Question #519
A government agency implements a configuration that disables cellular network access on government-issued devices while roaming internationally. The agency issues mobile hotspots and requires…
The correct answer is B. To defend from carrier OTA attack vectors. By disabling direct cellular roaming and requiring mobile hotspots, the agency reduces exposure to foreign carriers’ over-the-air (OTA) update mechanisms. This defends against carrier-based OTA attack vectors that could compromise devices when connected to international networks.
Question
A government agency implements a configuration that disables cellular network access on government-issued devices while roaming internationally. The agency issues mobile hotspots and requires employees to use them for internet access. Which of the following best describes the agency's rationale?
Options
- ATo protect against SIM hijack vulnerabilities
- BTo defend from carrier OTA attack vectors
- CTo block malicious radio connections
- DTo prevent attempts to downgrade the protocol to legacy 3G
- ETo filter directed electromagnetic interference
How the community answered
(26 responses)- B88% (23)
- C4% (1)
- E8% (2)
Explanation
By disabling direct cellular roaming and requiring mobile hotspots, the agency reduces exposure to foreign carriers’ over-the-air (OTA) update mechanisms. This defends against carrier-based OTA attack vectors that could compromise devices when connected to international networks.
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