当LOW出现全部轨道区段编码灰色闪烁,说明()功能已失效。此时,司机只能使用()或URM模式驾驶列车。
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物体在进行对称操作时所用的几何要素称为(),它们为(),(),(),()。
Which two are advantages of using WLS JMS instead of using a third-party JMS Provider (Tibco, Sonic, etc.) ? ()
A. JMS subsystem of WLS shares same JVM as core WLS application server, so application avoids the overhead of message serialization/de-serialization (necessary when using a 3rd party JMS provider with WLS)
B. WLS JMS ai always faster than 3rd party JMS providers
C. Unified operations and management tools across Application Server and JMS Provider will help with mangeability and diagnostics
D. WLS JMS more compliant with JMS spec than 3rd party vendor