题目内容

血氧容量正常，动脉血氧分压和氧含量正常，而动－静脉血氧含量差变小见于（）

A. 心力衰竭
B. 呼吸衰竭
C. 室间隔缺损
D. 氰化物中毒
E. 慢性贫血

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The Company switches are configured to use VTP. What’s true about the VLAN trunking protocol （VTP）？（）

A. VTP messages will not be forwarded over nontrunk links.
B. VTP domain names need to be identical. However，case doesn’t matter.
C. A VTP enabled device which receives multiple advertisements will ignore advertisements with higher configuration revision numbers.
D. A device in "transparent" VTP v.1 mode will not forward VTP messages.
E. VTP pruning allows switches to prune VLANs that do not have any active ports associated with them.

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