Which statements are true regarding classless routing protocols?()
A. The use of discontiguous subnets is not allowed
B. The use of variable length subnet masks is permitted
C. RIP v1 is a classless routing protocol
D. IGRP supports classless routing within the same autonomous system
E. RIP v2 supports classless routing
气防站(包括监测分析)设计中建筑面积和定员应如何考虑?
下列均是抢救休克型中毒性痢疾的措施,但应除外的是()。
A. 低分子右旋糖酐
B. 5%的碳酸氢钠
C. 毛花苷C
D. 20%甘露醇
E. 羟氨苄青霉素
色环标识是绿蓝黑银棕表示元器件的标称值及允许误差为()
A. 560Ω±1%
B. 56Ω±5%
C. 56Ω±1%
D. 5.6Ω±1%