第4题: [单项选择]( )既可重载为一元运算符,又可重载为二元运算符。 A. “*” B. “=” C. “=”和“*” D. “*”和“*++” 参考答案:A 答案解析:[解析] 本题考查的是运算符的有关概念。“*”是二元运算符,既可以用于间接访问:也可用于两数相乘;而“=”和“*++”都是一元运算符。
第5题: [单项选择]Which of the following is MOST likely causing a client’s computer to have an IP address of169.254.0.10?() A. The office is using a public IP scheme. B. The client is set to a static IP address. C. The DHCP server is out of addresses. D. The firewall on the PC is down. 参考答案:C