When you pick up your wireless phone, your computerdrops network connectivity. What could be the cause of
the problem?

A.
EMI

B.
RFI

C.
network adapter failure

D.
cable failure

Explanation:
Section Reference: Identifying and Working with Twisted-Pair Cable
Wireless adapters/networks use 2.4 or 5.0 GHz, which is the same frequency that wireless phones use.
Therefore, if both operate at the same time, you have radio frequency interference (RFI).