Multiple Choice
A common transmission medium that consists of a heavy copper wire at the center,surrounded by insulating material,then a cylindrical conductor,and finally an outer protective plastic covering is called a:
A) fiber-optic cable.
B) coaxial cable.
C) twisted pair of wires.
D) token ring.
Correct Answer:

Verified
Correct Answer:
Verified
Q20: Which of the following is a (are)primary
Q21: A Universal Resource Locator (URL)is used to
Q22: Which of the following is not an
Q23: A broadband service offered by telephone companies
Q24: Which statement about active RFID tags is
Q26: Which statement describes a major difference between
Q27: Using an Infrastructure as a Service provider
Q28: Which company was the most visible early
Q29: When data can be transmitted in both
Q30: By 2004,the number of cell phones in