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NSE4 · Question #427

Which type of conserve mode writes a log message immediately, rather than when the device exits conserve mode?

The correct answer is B. Proxy. This question asks to identify which FortiGate conserve mode immediately writes a log message upon entry, rather than only when exiting.

Submitted by jakub_pl· Apr 18, 2026FortiGate Deployment and System Configuration

Question

Which type of conserve mode writes a log message immediately, rather than when the device exits conserve mode?

Options

  • AKernel
  • BProxy
  • CSystem
  • DDevice

How the community answered

(34 responses)
  • A
    3% (1)
  • B
    88% (30)
  • C
    3% (1)
  • D
    6% (2)

Why each option

This question asks to identify which FortiGate conserve mode immediately writes a log message upon entry, rather than only when exiting.

AKernel

Kernel conserve mode logs only when the device exits conserve mode, not immediately upon entry.

BProxyCorrect

Proxy conserve mode is designed to immediately generate a log message when the FortiGate enters this state, indicating high memory usage by proxy services. This immediate logging provides real-time alerts for proxy resource issues, unlike other conserve modes.

CSystem

System conserve mode, like kernel mode, logs only when the device exits conserve mode, not immediately upon entry.

DDevice

Device conserve mode is not a recognized or distinct conserve mode type in FortiGate documentation.

Concept tested: FortiGate conserve modes logging behavior

Source: https://docs.fortinet.com/document/fortigate/7.4.0/administration-guide/469279/memory-conserve-mode

Topics

#Conserve Mode#Proxy Conserve Mode#Logging#FortiGate Memory

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