数字签名是一种基于非对称加密技术的技术签名，不属于电子签名。
所谓（）就是人人幸福、人与人和谐相处的社会生活局面。 ["政治大国","经济强国","文化兴国","天下大同"]
公众聚集场所在营业期间的防火巡查应当至少（）一次。 ["每日","每半小时","每一小时","每二小时"]
You want to implement router redundancy in the Company network using the best method available. Which protocol specified by RFC 2281 provides network redundancy for IP networks， ensuring that user traffic immediately and transparently recovers from first-hop failures in network edge devices or access circuits？（） [" ICMP"," IRDP"," HSRP"," STP"," None of the other alternatives apply"]
项目成本目标与工程范围、质量目标、进度目标、效率和消耗等相结合才有它的价值。这体现了成本控制的（）特点。 ["综合性","特殊性","及时信息反馈","参与者对责任的承担"]
血型
