Answer:
C: Security
Explanation:
Communications and information systems principles need to be, among other things, secure. They need to be able to protect sensitive information from those who intentionally not need to know. Some incident information like voice, networks, and data, are very sensitive and thus, should be secure to the right levels and should comply with privacy laws and data protection.
21%4 is 1.
21-4=17
17-4=13
13-4=9
9-4=5
5-4=1
Answer:
True.
Explanation:
A Central office or local office in Metropolitan cities is a building or an office where the phone lines coming from a home or office are terminated and connected to a bigger switching system.Central office got the switching equipment which holds the ability to switch calls long-distances or locally.Hence we conclude that the answer is True.