Defense in Depth uses the military principle that it is more difficult for an enemy to defeat a complex and multi-layered defense system than to penetrate a single barrier.

How are physical signals sent over copper wire?How are physical signals sent over fiber-optic cable?

What will be an ideal response?

The FCS uses a type of binary math called a cyclic redundancy check (CRC) that the receiving NIC uses to verify that the data arrived intact.

Answer the following statement true (T) or false (F)