What are two benefits of using VTP in a switching environment?()
A. It allows switches to read frame tags.
B. It allows ports to be assigned to VLANs automatically.
C. It maintains VLAN consistency across a switched network.
D. It allows frames from multiple VLANs to use a single interface.
E. It allows VLAN information to be automatically propagated throughout the switching environment.
抗利尿激素和醛固酮能够共同作用于肾脏,调节水和钠等电解质的吸收和排泄,下列描述中正确的是()
A. 抗利尿激素分泌增多促进远曲肾小管对Na+的再吸收和K+、H+的排泄
B. 醛固酮分泌减少使远曲肾小管和集合管上皮细胞再吸收水分增加
C. 机体对水钠改变的一般反应规律是首先恢复和维持血容量,尔后恢复和维持正常渗透压
D. 口渴反应产生的主要原因是细胞外液渗透压升高
E. 体液的正常渗透压主要通过肾素一醛固酮系统来维持