判断

• 1、

  The Yellow Pages is a good example of a directory

• 2、

  The acronym SMTP is short for Simple Markup Tracer

• 3、

  The earliest packet-switched network that connecte

• 4、

  The rightmost part of a domain name is known as a

• 5、

  Bandwidth is the amount Of data that can travel th

• 6、

  A product that has a strong brand identity is easi

• 7、

  Electronic commerce is much broader and encompasse

• 8、

  Consumer-to-consumer electronic commerce occurs wh

• 9、

  The laws dealing with electronic commerce are clea

• 10、

  Sale costs are the total of all costs that a buyer