CAS-003 · Question #825
CAS-003 Question #825: Real Exam Question with Answer & Explanation
The correct answer is D: USB OTG. The requirements state the application must not be publicly accessible over the internet (ruling out public app stores) and the backend system must not be exposed to the internet. (D) USB OTG (On-The-Go) allows direct device-to-device or computer-to-device transfer via a physical
Question
Options
- ATPM
- BInternet application store
- CHTTPS
- DUSB OTG
- ESideloading
- FOTA
Explanation
The requirements state the application must not be publicly accessible over the internet (ruling out public app stores) and the backend system must not be exposed to the internet. (D) USB OTG (On-The-Go) allows direct device-to-device or computer-to-device transfer via a physical USB connection, with no network exposure whatsoever - the application binary never traverses a public or untrusted network, satisfying the 'not accessible over the network' requirement. (F) OTA (Over The Air) delivery via a private, corporate MDM infrastructure - not the public internet - allows controlled, authenticated deployment of the APK to managed devices without listing it in a public app store. The internet application store (B) would publicly expose the app. Sideloading (E), while viable offline, is not a controlled enterprise deployment mechanism and could bypass security controls. HTTPS (C) is a transport protocol, not a deployment method. TPM (A) is a hardware security module, not a distribution mechanism.
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