A cluster indicates that a remote site has failed. What facilities exist in HACMP/XD:HAGeo to  ensure that the failure is not just a TCP/IP communication failure?()  

A .  Electronic Service Agent software provides a redundant heartbeat between sites. B .  A non-IP network and Dial Back Fail Safe provide redundant heartbeats between sites. C .  The GeoMirror Devices provide a link validation facility that guarantees the validity between sites. D .  The Site Notification Daemon maintains a heartbeat between sites via short haul Modems/line drivers and dark fibre.

时间:2022-10-10 11:02:09 所属题库:IBM(000-237)题库

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