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101 · Question #228

Which two daemons only run after the entire license process has been completed? (Choose two.)

The correct answer is A. zrd D. gtmd. On F5 BIG-IP, the zrd and gtmd daemons are license-dependent and will not start until the system has completed the full licensing process.

Section 2: F5 Solutions and Technology

Question

Which two daemons only run after the entire license process has been completed? (Choose two.)

Options

  • Azrd
  • Btmm
  • Cntpd
  • Dgtmd

How the community answered

(38 responses)
  • A
    92% (35)
  • B
    5% (2)
  • C
    3% (1)

Why each option

On F5 BIG-IP, the zrd and gtmd daemons are license-dependent and will not start until the system has completed the full licensing process.

AzrdCorrect

The zrd (Zone Runner Daemon) is responsible for DNS zone management within BIG-IP DNS and requires a valid license to operate, so it only starts after licensing is complete.

Btmm

tmm (Traffic Management Microkernel) starts during system boot as part of core packet processing infrastructure and is not gated behind the full license completion process.

Cntpd

ntpd is a standard Linux time-synchronization daemon that starts early in the boot process independently of the F5 license state.

DgtmdCorrect

The gtmd (Global Traffic Manager Daemon) is the core GTM process and is gated behind license validation - it will not initialize until the system confirms a valid GTM or DNS license has been successfully applied.

Concept tested: BIG-IP license-dependent daemon startup order

Source: https://support.f5.com/csp/article/K05645522

Topics

#daemons#licensing#system processes#GTM

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