What two steps need to be taken in deploying AutoQoS for enterprise on routers？（） ["provide visibility into the classes of service deployed using system logging and SNMP traps","determine WAN settings for fragmentation， compression， encapsulation， and Frame Relay-ATM interworking","enable the AutoQoS VoIP for voice traffic","generate and deploy MQC-based QoS policies","profile the traffic with Auto-Discovery"]
完全平衡法
由乘客操作的电器开关应采用不大于（）V的安全电压，如无法满足要求时必须采取必要的措施，以确保人身安全。 ["12；","24；","36；","50。"]
下列不属于市民文学的是？（） ["言情小说","古诗写作","武侠小说","元杂剧"]
近代中国反侵略战争一再失败的原因有（） ["腐败的社会制度","综合实力的落后","帝国主义列强的强大","民族意识的未觉醒"]
生产链
