ProGrads 卷別
計算機結構與作業系統
選擇國立臺灣大學 2026 · 考試 · 第 4 題
考科作業系統
Regarding security, select correct description(s).
（複選；至少一個正確選項，每個選項獨立計分。）
- (A)User-kernel mode separation helps prevent user programs from directly accessing hardware resources.
- (B)Address space isolation helps prevent processes from unauthorized memory access by other processes.
- (C)Mandatory access control allows users to freely change file permissions for their own files.
- (D)Sandboxing imposes an irremovable set of restrictions on a process right after the execution of the main() function of the process.
- (E)Encrypting data at rest can help protect user privacy.