第7题:[单选题]HTTPS使用( )协议对报文进行封装。 A.SSH B.SSL C.SHA-1 D.SET 参考答案:B HTTPS(全称:Hyper Text Transfer Protocol over Secure Socket Layer),是以安全为目标的HTTP通道,简单讲是HTTP的安全版。即HTTP下加入SSL层,HTTPS的安全基础是SSL,因此加密的详细内容就需要SSL。
第11题: [单项选择]A company issued an annual-pay bond with the following characteristics: A. Face value B. $ 67831 C. Maturity D. 4 years E. Coupon F. 7.00% G. Market interest rates H. 8.00% 参考答案:A 答案解析:Present value of the interest payments on the date of issue is $15726=[I/Y=8.00%, N=4, PMT=$4748.17(