The SRU main control board of AR routers is the system control and management core, provides four FXO ports, and supports concurrent access of multiple channels to the PSTN.
A communication error suddenly occurs in an enterprise. It is found that the database log file is too large, which results in insufficient disk space and data write exceptions. Which of the following statements is INCORRECT?
During software installation, you can first install the eServer and then the BMU and database.
A group customer deploys two U1981s in active/standby disaster recovery (DR) mode and deploys a U1960 in both branch A and branch B as the local gateway. One day, due to the carrier network fault, the U1960 in branch A cannot detect the heartbeat of the active and standby U1981s, but the heartbeat connection between the U1960 in branch B and the active and standby U1981s is normal. In this scenario, which of the following statements is CORRECT?
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