问题:
A . High Availability CRS Engines running on hardware from different server classes
B . High Availability CRS Engines running on similar hardware from the same server class but from different vendors
C . High Availability CRS Engines and database and a simplex Recording Server
D . High Availability CRS Engines and four simplex VoIP Monitoring Servers
E . CCM co-resident deployment on an MCS 7815
● 参考解析
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