下列哪些协议用来在具有冗余链路的交换网络中创建免环路的环境()。
A. BPDU
B. STP
C. VLAN
D. VTP
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()是寻求对业务流程进行重大改变的方法。
A. 业务流程重组
B. 业务流程改进
C. 业务流程优化
D. 业务流程实时控制
般情况下,2V蓄电池单体的放电终止电压为2V。
A. 正确
B. 错误
Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?()
A. Crossing the spring lines
B. Slacking all forward running lines while keeping all after running lines taut
C. Doubling up on spring or breast lines
D. Slacking bow and stern line