Network security usually is not that simple to implement and support especially on industrial level. Also it costs a lot of money to have proper equipment.
Security
•Lack of security
Biggest disadvantage is security. Got to keep the bad guys out.
here the data is transeffered in plain text format. there is no encryption or security
One major disadvantage of wireless networks is that they are hackable from the outside. Security measures are available to prevent or reduce the attacks.
Network security usually is not that simple to implement and support especially on industrial level. Also it costs a lot of money to have proper equipment.
The disadvantage is that computer science is a very broad field, so you won't learn all of the little technical details if you were to go into a more specific sub-field, such as computer security.
The advantages of light sensors is that they are really good security systems. The disadvantage of them is that they're really easy to set off.
When you apply for social security at the age of 62, you are not going to be able to get your full retirement amount. You are also not eligible for Medicare at this age.
The disadvantage of frequency shift key is it requires high bandwidth. The advantages of it are that frequency shift keying promotes long distance communication, it has high security, low noise, efficiency is high, and decoding of signal is easy.
Disadvantages : 1. Breakdowns and Possible Loss of Resources 2. Expensive to Build 3. Security Threats 4. Bandwidth Issues
VoIP server need fast internet connection, high end computers tight firewall or security and often maintenance.