(ISC)2
301B · Question #92
301B Question #92: Real Exam Question with Answer & Explanation
The correct answer is B. TMM failed, and system fail-safe initiated the failover.. See the full explanation below for the reasoning.
Question
A failover event is recorded in the log messages:
Jan 01 00:00:50 BIG-IP notice sod[5855]: 01140029:5: HA proc_running tmm fails action is go offline and down links.
Jan 01 00:00:50 BIG-IP notice mcpd[5296]: 01070050:5: Sod requests links down. Jan 01 00:00:50 BIG-IP notice mcpd[5318]: 0107143a:5: Offline for traffic group /Common/traffic- group-1.
Jan 01 00:00:50 BIG-IP notice sod[5855]: 010c003e:5: Offline Jan 01 00:00:50 BIG-IP notice logger: /usr/bin/tmipsecsd --tmmcount 4 => /usr/bin/bigstart stop raccoon
Jan 01 00:00:50 BIG-IP info mcpd[5502]: 01160016:6: Failover event detected: (Switchboard fail-safe disabled while offline)
Jan 01 00:00:51 BIG-IP err bcm56xxsd[5296]: 012c0010:3: Failover event detected. Marking external interfaces down. bsx.c(3633)
What is the cause of the failover?
Options
- ATMM failed, and VLAN fail-safe initiated the failover.
- BTMM failed, and system fail-safe initiated the failover.
- CLoss of connection to CMI peer 10.0.0.3 initiated the failover.
- DA switchboard failure caused system fail-safe to initiate the failover.
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