FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
You haven’t received any calls or text messages in a few days. Concerned, you call your cellular provider and ask them if anything is wrong. They verify your identity and tell you that you called three days ago to move your cellphone number to your new phone. You tell the customer service agent that you did not get a new phone. The agent requests that you check the IMSI number on what part of your cellphone?
A
SIM
B
WPA
C
IMSI
D
SMS
Explanation: 
There is 1 question to complete.