单项选择题 A user has reported that they cannot access the company FTP site. The user states that they are using the IP address that was given to them “74200.92.105”. Which of the following is MOST likely the problem?（）

单项选择题 Which of the following web browser features deters users from visiting spoofed sites?（）

单项选择题 Which of the following could be used to prevent an attacker from accessing the master boot drive when attaching a hard drive to another system?（）