Closed user groups
a. require call-back devices to operate
b. allow a secure network within a public packet data network
c. offer special error checking functions for certain users
d. are not more secure than a dial-up phone connection
b. allow a secure network within a public packet data network
Computer Science & Information Technology
You might also like to view...
The mouse pointer may appear as a(n) ________ during the time you are waiting for a computer to boot
A) hour glass B) four-headed arrow C) rotating circle D) double-arrow
Computer Science & Information Technology
A standard that outlines characteristics of how two devices communicate on a network is called a(n) ______.
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology