水处理方法。
Which three techniques should be used to secure management protocols?() ["Configure SNMP with only read-only community strings.","Encrypt TFTP and syslog traffic in an IPSec tunnel.","Implement RFC 3704 filtering at the perimeter router when allowing syslog access from devices on the outside of a firewall.","Synchronize the NTP master clock with an Internet atomic clock.","Use SNMP version 2.","Use TFTP version 3 or above because these versions support a cryptographic authentication mechanism between peers."]
“到了19世纪,英国资产阶级开始发现,他们已经不再是占社会一小部分的群体,国家的大部分财富掌握在他们手里,他们所代表的是一个新的正在兴起的社会的选民,只是还没有被目前的选举制度所容纳,他们必须干预国家政治,因为政治总是干预他们。”这一时期的英国资产阶级产生这一认识充分说明()。 ["革命后资产阶级的社会地位仍然不高","光荣革命以来资产阶级力量不断壮大","社会经济活动是阶级关系变革的前提","工业革命是英国民主制度发展的动力"]
亲和萃取
存货控制的基本方法主要有()。 ["稳健的资产组合策略","激进的资产组合策略。","中庸的资产组合策略","经济批量控制法"]
简述货币危机的根源与本质。