OSPF路由器可以周期性发送__________包来建立和维持邻居关系。 A: keepalive B: LSA C: dead interval D: Hello

下列关于OSPF的数据包类型说法错误的是( ) A: OSPF的hello用于邻居关系的建立,只要area id、stub flag、hello interval、dead interval一样就可以建立邻居 B: OSPF的DBD报文是用来同步LSDB的,里面有LSA的全部信息 C: LSR用于路由器请求没有的LSA D: 默认情况下,hello和dead的周期都是4倍的关系

要触发Timer事件,必须通过以下( )属性。 A: Enabled、Interval B: Visible、Interval C: Enabled、Visible D: Tag、Interval

dead

The point estimation is to determine an interval bounded by 2 values such that the probability that the parameter value is within the interval is known.( )

The Dead Sea is on the border between _______. It is _______ meters below sea level. That is ______ on Earth. The Dead Sea is the _______ large body of water in the world. The area around the Dead Sea has ancient places that _______. _______ in the Dead Sea are used for health treatments. ______ brings many visitors to the area.

Passage 1 -12 A: He saw another animal behind the dead animal. B: He saw a gun beside the dead animal. C: He saw a man behind the dead animal. D: He saw people behind the dead animal.

For a uniformly distributed random variable, the probability of the corresponding interval is related to the length of the interval, and it is also related to the starting point of the interval.

dead president

“Alive” and “dead” are ______________