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网络广告面临哪些法律问题？

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Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF). Which two statements best describe the OSPF link - state routing pro tocol?（）

A. OSPF sends updates every 10 seconds
B. OSPF sends triggered updates when a network change occurs
C. When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it to all OSPF devices using the 224.0.0.6 multicast address
D. OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronizatio

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滑参数停机时，为保证汽缸热应力在允许范围之内，要求金属温度下降速度不要超过1.5℃/分。在整个滑参数停机过程中，新蒸汽温度应该始终保持有50℃的过热度。

A. 正确
B. 错误

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为什么电路中接上电容器后电流减小而电压增高？

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变、配电站接地装置每年检查一次，并于干燥季节每年测量一次接地电阻。（）

A. 正确
B. 错误

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