Which option describes the default roles available to RBAC on Cisco Nexus switches?()
A. admin, operator, network-admin, and network-operator
B. admin, read-only, network-admin, and network-operator
C. vdc-admin, vdc-operator, network-admin, and network-operator
D. vdc-admin, vdc-operator, network-admin, and network-operator (for Nexus 7000) and network- admin and network-operator (for other Nexus switches)
E. admin and read-only
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一般来说,地物一旦确定,其判读标志是不变的。
A. 正确
B. 错误
餐具、饮具集中消毒服务单位对消毒餐具、饮具进行抽样检验,检验合格后方可出厂。
A. 正确
B. 错误
钢丝绳索引带式输送机与普通带式输送机相比较,优点是什么?
臭氧缓冲池()则是利用臭氧的半衰期只有()的特点,消除处理后水中臭氧残余量。