《在用工业管道定期检验规程》规定，以下工业管道属于GCl级的是（）
A. 输送可燃流体介质、有毒流体介质，设计压力<1.OMPa，并且设计温度<400℃的管道
B. 输送可燃流体介质、有毒流体介质，设计压力≥4.0MPa，并且设计温度≥400℃的管道
C. 输送流体介质并且设计压力≥lOMPa的管道
D. 输送非可燃流体介质、无毒流体介质，设计压力<4.0MPa并且设计温度<400℃的管道
查看答案
Which two statements about the EIGRP DUAL process are correct?（）
An EIGRP route will go active if there are no successors or feasible successors in the EIGRP topology table.
B. An EIGRP route will go passive if there are no successors in the EIGRP topology table.
C. DUAL will trigger an EIGRP query process while placing the flapping routes in the holddown state.
D. A feasible successor in the EIGRP topology table can become the successor only after all the query requests have been replied to.
E. The stuck in active state is caused when the wait for the query replies have timed out.
F. EIGRP queries are sent during the loading state in the EIGRP neighbor establishment process.
微信支付 
支付宝支付