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Exam 301b All Questions

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Exam 301b topic 1 question 124 discussion

Actual exam question from F5's 301b
Question #: 124
Topic #: 1
[All 301b Questions]

A high-availability (HA) pair configuration uses only the hardwire serial cable connection to determine device state. A power outage occurs to the PDU powering the active unit. The standby unit takes over the active role as expected.
How is the peer unit able to determine the active unit is unavailable?

  • A. voltage loss on serial cable
  • B. no data stream received on serial port
  • C. no response on management interface
  • D. no heartbeat packets received on self IPs
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Suggested Answer: A 🗳️
by GVKD at Feb. 12, 2024, 8:19 p.m.

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GVKD
4 months, 4 weeks ago
A - Correct Hardwired failover When BIG-IP systems are configured to use hardwired failover, a failover cable monitors the voltage levels of the systems and assures that the peer unit is available. If the standby BIG-IP system detects a voltage level drop in the active system, the standby system initiates the failover process and becomes the active device. No data is sent or received over a failover cable https://my.f5.com/manage/s/article/K95002127
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