【多选题】
A <{p}>A client can connect
to an Orade database instance even if no client side network admin has been
configured.<{br/}><{/p}>
B <{p}><{span style="font-size: 1em;"}>Directory
Naming requires setting the TNS ADMIN environment variable on the client side.<{/span}><{br/}><{/p}>
C <{p}>Directory Naming
can be used if Connect-Time Failover is required.<{/p}>
D <{p}><{span style="font-size: 1em;"}>EasyConnect
supports TCP/IP and SsL.<{/span}><{br/}><{/p}>
E <{p}>Local Naming
requires setting the TNS_ADMIN environment variable on the cdient side.<{/p}>
F <{p}>Local naming can be
used if Connect-Time Failover is required.<{br/}><{/p}>
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