硬件防火墙的安全策略有()
A.IP地址
B.路由协议
C.应用端口号
D.不同方向的报文过滤
参考答案:A, B, C, D
患者,女,63岁。上肢患肢痛1年。实施星状神经节阻滞术后,出现声音嘶哑,最可能发生的并发症是()
A.喉返神经阻滞
B.膈神经阻滞
C.喉上神经阻滞
D.局麻药中毒
E.全脊麻
Babu Dhaliwal, CFA, does research about foreign exchange market. The euro per Argentine peso (EUR/ARS) spot rate is 0.1789 and the forward rate is at a discount of 0.27%. The forward rate is closest to:()
A. 0.1741
B. 0.1784
C. 0.1794