所有变更申请需按照项目申请渠道,需做以下哪几种工作()
A. 通过所在单位提交书面申请
B. 报送相关材料
C. 办理有关手续
D. 自行变更
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深圳企业退休工人病故后丧葬费、抚恤金、遗属补助有什么规定?
在相同的(相对)变化幅度下,管路压头损失对如下哪一项最敏感?()
A. 管内径
B. 直管摩擦系数
C. 局部阻力系数
D. 直管长度
慎独自律是一种有效的道德修养方法。
A. 正确
B. 错误
A network administrator needs to configure port security on a switch.which two statements are true?()
A. The network administrator can apply port security to dynamic access ports
B. The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
C. The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.
D. The network administrator can apply port security to EtherChannels.
E. When dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.