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201 · Question #295

You have created a custom profile named TEST2. The parent profile of TEST2 is named TEST1. If additional changes are made to TEST1, what is the effect on TEST2?

The correct answer is B. Some of the changes to TEST1 may propagate to TEST2.. When a parent profile is modified, changes to settings that have not been explicitly overridden in a child profile will automatically propagate to the child profile.

Section 3: Administer a BIG-IP Device

Question

You have created a custom profile named TEST2. The parent profile of TEST2 is named TEST1. If additional changes are made to TEST1, what is the effect on TEST2?

Options

  • AAll changes to TEST1 are propagated to TEST2.
  • BSome of the changes to TEST1 may propagate to TEST2.
  • CChanges to TEST1 cannot affect TEST2 once TEST2 is saved.
  • DWhen TEST1 is changed, the administrator is prompted and can choose whether to propagate

How the community answered

(18 responses)
  • A
    6% (1)
  • B
    89% (16)
  • C
    6% (1)

Why each option

When a parent profile is modified, changes to settings that have not been explicitly overridden in a child profile will automatically propagate to the child profile.

AAll changes to TEST1 are propagated to TEST2.

This is incorrect because changes to settings that have been explicitly overridden in TEST2 will not propagate from TEST1, maintaining TEST2's custom configuration.

BSome of the changes to TEST1 may propagate to TEST2.Correct

In a parent-child profile relationship, a child profile inherits all settings from its parent; if a specific setting is modified in the parent and that setting has not been explicitly customized or overridden in the child, the change will propagate. Conversely, if the child profile has overridden a specific setting, its custom value will remain, and the parent's change to that specific setting will not propagate to the child.

CChanges to TEST1 cannot affect TEST2 once TEST2 is saved.

This is incorrect; only settings that TEST2 has explicitly overridden will remain unaffected by changes in TEST1; inherited settings will update automatically.

DWhen TEST1 is changed, the administrator is prompted and can choose whether to propagate

This is incorrect; there is no prompt for propagation, as the changes to inherited settings occur automatically when the parent profile is updated.

Concept tested: Profile inheritance in load balancers

Source: https://techdocs.f5.com/en-us/big-ip-15-0-0/big-ip-system-virtual-server-and-profile-configuration/understanding-profiles.html

Topics

#profiles#profile inheritance#custom profiles

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