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Which of the following is a mechanism that allows an entity into an application by bypassing access controls?
Buffer overflow
Backdoor
Time of check
Object reuse
The correct answer is trapdoor. Trapdoor (also referred to as backdoor or maintenance hook) is a mechanism that allows an entity into an application by bypassing access controls.
/edit: the term in use today appears to be "backdoor". Trapdoor is an established term in cryptography, and hasn't been used synonymous with backdoor in a long time.
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