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DCA · Question #135

DCA Question #135: Real Exam Question with Answer & Explanation

The correct answer is B: No. Inter-process communication (IPC) isolation focuses on separating communication channels between processes and does not directly block system time modification.

Submitted by jakub_pl· Apr 18, 2026Security

Question

A users attempts to set the system time from inside a Docker container are unsuccessful. Could this be blocking this operation? Solution: inter-process communication

Options

  • AYes
  • BNo

Explanation

Inter-process communication (IPC) isolation focuses on separating communication channels between processes and does not directly block system time modification.

Common mistakes.

  • A. IPC isolation is designed to segregate communication resources between processes, not to control system-level operations such as modifying the host's system clock.

Concept tested. Linux kernel IPC namespaces

Reference. https://man7.org/linux/man-pages/man7/namespaces.7.html

Topics

#Container Privileges#Linux Capabilities#Container Isolation#System Operations

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