Câu 26: 301B: BIG-IP Local Traffic Manager (LTM) Specialist Maintain Troubleshoot

While investigating the cause of a device failover, an LTM Specialist discovers the following events in /var/log/ltm:01010029:5: Clock advanced by 518 ticks01010029:5: Clock advanced by 505 ticks01010029:5: Clock advanced by 590 ticks01010029:5: Clock advanced by 568 ticks01010029:5: Clock advanced by 1681 ticks01010029:5: Clock advanced by 6584 ticks01140029:5: HA daemon_heartbeat tmm fails action is failover and restart.010c0026:5: Failover condition, active attempting to go standby. Which issue caused the failover?

1. A. NTP being out of sync
2. B. TMM being descheduled — đáp án hiện tại
3. C. VLAN Fail-safe heartbeats
4. D. HA missing heartbeat packets