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Exam 301b topic 1 question 120 discussion

Actual exam question from F5's 301b
Question #: 120
Topic #: 1
[All 301b Questions]

The active LTM device in a high-availability (HA) pair performs a failover at the same time the network team reports an outage of a switch on the network.
Which two items could have caused the failover event? (Choose two.)

  • A. a VLAN fail-safe setting
  • B. a monitor on a pool in an HA group
  • C. the standby LTM that was rebooted
  • D. an Auditor role that has access to the GUI
  • E. the standby LTM that lost connectivity on the failover VLAN
Show Suggested Answer Hide Answer
Suggested Answer: AB 🗳️
by Wassu at Oct. 11, 2020, 11:55 p.m.

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GVKD
2 months, 1 week ago
AB - Correct -System fail-safe: The system fail-safe feature enables the BIG-IP system to monitor system components, such as the heartbeat signal of various system daemons. -Gateway fail-safe: The gateway fail-safe feature enables the BIG-IP system to monitor traffic between an active BIG-IP system in a device group and a pool containing a gateway router. -VLAN fail-safe: The VLAN fail-safe feature enables the BIG-IP system to monitor network traffic going through a specified Virtual Local Area Network (VLAN). -HA group: The HA group feature enables the BIG-IP system to monitor the availability of resources for a specific traffic group -HA ordered list and auto-failback: You can configure a traffic group to use a static, ordered list of devices https://my.f5.com/manage/s/article/K95002127
upvoted 1 times
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hansamaru
3 years, 2 months ago
Please check https://support.f5.com/csp/article/K95002127 - K95002127: Troubleshooting BIG-IP failover events It should be due to gateway & vlan fail-safe
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Wassu
3 years, 6 months ago
AE , why E , if standby unit failed connectivity to the peer , it becomes active making other unit standby
upvoted 1 times
Degenhardt
3 years, 5 months ago
Everything you wrote is wrong... If a unit looses connectivity to the peer it stays in its previous status - otherways you would get split brain, when both devices don't see and reach each other
upvoted 2 times
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estampie
2 years, 9 months ago
Then we get A-A rather than a failover
upvoted 1 times
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C (25%)
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