Which of the following examples shows an input mask for a telephone number with the first three digits optional and dashes separating the parts of the telephone number?
A)999\-000\-0000
B)999-000-9999
C)999\000\0000
D)000\-999\-9999

Question

Quizplus · Accepted Answer

The input mask "999\-000\-0000" indicates that the first three digits are optional (denoted by '9'), and the dashes are used to separate the parts of the telephone number.

Which of the Following Examples Shows an Input Mask for a Telephone