单项选择题
The standard protocol used for sending Internet e-mail is called ( ). It works in conjunction with POP servers.
单项选择题 To download a file from a remote FTP server, you can ( ).the command promptB、type 'ftp' in brower's address columnC、click on the FTP icon to see if the client is presentD、All above
多项选择题 成为商业秘密的条件是()。
多项选择题 下列行为属于《反不正当竞争法》所规范的政府及其所属部门滥用行政权力限制竞争的行为有()。