第23题: [单项选择]Assuming that an IP packet is sent from a source address in VLAN1 to a destination address in VLAN2 through a layer-3 switch, which part of the packet will be changed?() A. Layer 2 TTL B. Layer 3 TTL C. Layer 3 source address D. Layer 3 destination address 参考答案:B
第24题: [单项选择]糖尿病(). A. 禁水加压试验用于诊断 B. OGTT用于诊断 C. 小剂量地塞米松抑制试验用于诊断 D. 螺内酯试验用于诊断 E. ACTH兴奋试验用于诊断 参考答案:B