船舶地面站遇险报警的起动应要求至少有（）独立的动作.
查看答案
热塑性塑料在恒定压力作用下，呈坚硬的固体时属于（）。
A. 玻璃态
B. 高弹态
C. 粘流态
D. 液态
What are the two benefits of graceful restart？（）
A. Graceful restart allows session information recovery without disruption to the network.
B. A node can perform a graceful restart to help a neighbor recover its state. The label bindings are kepton state information， which helps the failed node recover faster and does notaffect the current for wardtraffic.
C. Graceful restart allows a node to recover state from its neighbor when there is no RP or before thedevice undergoes SS
D. Graceful restart does not allow session information recovery.
E. During a graceful restart， the router removes any stale prefixes after a timer for stale entries expire
微信支付 
支付宝支付