Field placeholders are surrounded with ________

Which of the following cable types can be susceptible to crosstalk? (Select the two best answers.)

A. Fiber-optic B. Twisted-pair C. Coaxial D. Data emanation

Rather than allowing a user to select a primary key value, it is a good idea to use a(n) ______ to generate the value.

Fill in the blank(s) with the appropriate word(s).