A network de sign shows area 1 with three internal routers, area 0 with four internal routers, and area 2 with five internal routers. Additionally, one ABR (ABR1) connects areas 0 and 1, plus a different ABR (ABR2) connects areas 0 and 2. How many Type 1 LSAs would b e listed in ABR2's LSDB?()
A. 6
B. 7
C. 15
D. 12
E. None of the other answers is correct.
《人民防空工程设计防火规范》规定,设有固定座位的电影院、礼堂等的观众厅,其疏散走道、疏散出口等应符合()。
A. 厅内的疏散走道净宽应按通过人数每100人不小于0.6m计算,且不宜小于0.90m
B. 观众厅每个疏散出口的疏散人数平均不应大于300人
C. 观众厅的疏散门,宜采用推闩式外开门