Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has been assigned an IP address of 192.0.2.100/28. The two workstations are connected with a straight-through cable. Attempts to ping between the hosts are unsuccessful. What two things can be done to allow communications between the hosts? ()
A. Replace the straight-through cable with a crossover cable.
B. Change the subnet mask of the hosts to /25.
Change the subnet mask of the hosts to /26.
D. Change the address of Workstation A to 192.0.2.15.
E. Change the address of Workstation B to 192.0.2.111.
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二尖瓣狭窄合并房颤,心室率123次/分,首选治疗是()
A. 硝酸甘油以扩张血管
B. 用利尿剂减少容量负荷
C. 西地兰控制心室率
D. 吸氧
E. 二尖瓣分离术解除狭窄
关于精馏塔的塔顶温度控制,下列说法错误的是()
A. 塔顶温度偏高,塔顶回流阀开大
B. 灵敏塔板温度偏高,塔顶回流阀开大
C. 塔顶温度偏低,塔顶回流阀关小
D. 灵敏塔板温度偏低,降低回流温度