A、A. fixed tables
B、B. heap tables
C、C. external tables
D、D. temporary tables
E、E. Index-Organized Tables (IOTs)
更多“On which two database objects can the VERSIONS clause of the Flashback Versions Query be used?（）”相关的问题
A、bridging VLANs on two switches B、bridging two VLANs on one switch C、between two Layer 2 devices withtrunking D、between two Layer 2 devices withouttrunking E、between a Layer 2 device and a Layer 3 device withtrunking
A、A finalizer may NOT be invoked explicitly. B、The finalize method declared in class Object takes no action. C、super.finalize（）is called implicitly by any over riding finalize method. D、The finalize method for a given objec twill be called no more than once by the garbage collector. E、The order in which finalize will be called on two objects is based on the order in which the two objects became finalizable.
A、A.The vessel which has the other on her own starboard side B、B.The vessel which has the other on her own port side C、C.The one which hears the other's fog signal first D、D.Neither vessel is the stand-on vessel
A、LDP uses Down Stream On Demand. B、RSVP uses Down Stream On Demand. C、LDP uses Down Stream Unsolicited. D、RSVP uses Down Stream Unsolicited.
A、A. This command is applied to the core router facing interface. B、B. This command is applied to the customer facing interface. C、C. The 4 is locally significant and identifies the layer 2 circuit. D、D. The 4 must match exactly on the peer router configuration on the remote end.
A、Tunnels are initiated by the LAC B、Tunnels are initiated by the LNS C、By default, subscriber authentication occurs on the LNS D、By default, subscriber authentication occurs on the LAC
A、Turn off MST (802.1s) on all switches. B、Turn on MST (802.1s) on all switches. C、Turn on RSTP (802.1w) on all switches. D、Turn off RSTP (802.1w) on all switches.
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