Question: The tamper - proof requirement of a trusted computing base ( TCB ) requires that Group of answer choices user code cannot make system calls

The tamper-proof requirement of a trusted computing base (TCB) requires that
Group of answer choices
user code cannot make system calls that can make changes to TCB data structures..
TCB code must not make any changes to TCB data structures
user code cannot directly modify TCB code or data.
user code can directly modify only TCB data but not code.

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