Exhibit： You work as a network administrator at . You study the exhibit carefully. What can be drawn about VLANs 200 and 202 from the exhibit？（） VLAN 200 carries traffic from promiscuous ports to isolated， community， and other promiscuous ports in the same VLAN. VLAN 202 carries traffic between community ports and to promiscuous ports.。 VLAN 200 carries traffic from promiscuous ports to isolated， community， and other promiscuous ports in the same VLAN. VLAN 202 carries traffic from isolated ports to a promiscuous port.。 VLAN 202 carries traffic from promiscuous ports to isolated， community， and other promiscuous ports in the same VLAN. VLAN 200 carries traffic from isolated ports to a promiscuous port.。 VLAN 202 carries traffic from promiscuous ports to isolated， community， and other promiscuous ports in the same VLAN. VLAN 200 carries traffic between community ports and to promiscuous ports.。
造成汽缸拉缸的原因有（）。 曲轴弯曲或止推轴承间隙不当。 连杆轴承装配不当。 缸壁间隙或活塞环开口间隙过小。 润滑不良或有杂质进入气缸。 活塞裙部圆度不符合技术要求。
下列哪一项不属于旅客的范畴。（） 押运货物的人。 无学生证购买了学生减价票的学生。 与成人旅客同行的免费乘车的儿童。 持有铁路有效乘车证的人。
神经性厌食
中国的图腾是（）。 蛇。 龙。 熊猫。 麒麟。
150吨以下转炉，最大出钢量应不超过公称容量的（）
