【判断题】The vector of state probabilities gives the probability of being in particular states at a particular point in time
【多选题】What are the different characteristics of distance vector and link state routing protocols?()
A.
Distance vector protocols send the entire routing table to directly connected neighbors.
B.
Distance vector protocols are responsible for sending updates to all networks listed in the routing table.
C.
Link state protocols are responsible for sending the entire routing table to the whole network.
D.
Link state protocols send updates regarding their own links status to all other routers on the network.
【单选题】In Markov analysis, to find the vector of state probabilities for any period,
A.
one should find them empirically
B.
subtract the product of the numbers on the primary diagonal from the product of the numbers on the secondary diagonal
C.
find the product of the vector of state probabilities for the preceding period and the matrix of transition probabilities
D.
find the product of the vectors of state probabilities for the two preceding periods
E.
take the inverse of the fundamental matrix
【判断题】正常物品指的是这样一种物品,在其他条件相同时,收入的上升通常会引起这种物品需求的增加
【判断题】正常物品指的是这样一种物品,在其它条件相同时,收入的上升通常会引起这种物品需求量的增加
【判断题】The vector of state probabilities for any period is equal to the vector of state probabilities for the preceding period multiplied by the matrix of transition probabilities
【判断题】正常物品指的是这样一种物品,在其它条件相同时,收入的上升通常会引起这种物品需求的增加
【判断题】正常物品指的是这样一种物品,在其它条件相同时,收入的上升通常会引起这种物品需求的增。。
【单选题】A、B、C、D都是周期表中前20号元素,已知A的阳离子和C的阴离子具有相同的核外电子排布,且能形成组成为AC的化合物;C和D属同主族,其中C的核外电子数是D的核内质子数的2倍.B和D是同周期元素且A和B能形成AB 2 型化合物.下列说法中正确的是( )