【多选题】如图所示,关于以上配置,下面哪些说法是不正确的? (请选择2个答案)
A.
该配置是用来配置console用户登录时的配置信息
B.
通过vty 0登录的用户可以运行权限等级2的命令
C.
通过FTP登录的用户可以运行权限等级2的命令
D.
该配置是用来配置Telnet用户登录时的配置信息
【单选题】一幅100×100的灰度图像,若每个像素用8bit表示其灰度值,经霍夫曼编码后压缩图像的数据 量为20000bit,则图像的压缩比为( )。
【单选题】This problem can only be solved by theoretical reading science, which will ______ achievements and methods of psychology, learning theory, and mass communication theory.
【单选题】彩绘着色清淡者称工笔淡彩、着色浓艳称 _____ 。
【单选题】Store brands are also known as ________ brands.
【单选题】It can be inferred from this passage that ______.
A.
all the features that a theory has are not important
B.
only accessible features of a theory are important
C.
the accessible features of a theory must be very important
D.
the theory about the demise of dinosaurs is false
【单选题】同样输出电压的发电机,无刷电机需要比有刷电机增大( )?
【单选题】This theory can be ( ) through testing.
【单选题】推销员和顾客在接触中通过交流情感、建立友谊从而形成稳定的购销关系,这体现了人员推销的特点是