Answer:
There are different phases of railroad expansion with the innovations in technology.
Explanation:
Few of the technological innovations are described below that leads in railroad expansion more rapid.
1. Centralized Traffic control (CTC) is introduced in 1960's that is used to control the traffic on railroads using different signal control.
2. In 1990's after computer technology involvement, railway ticket and reservation system is automate and being centralized. That makes the railroad expansion improve.
3. Bullet train technology has been introduced, that makes the railway trains more faster.
4. Electric trains has been introduced to use green energy and reduce the dependency on the fuel to make environment clean and green.
Tendancy to crash hope that helped
Answer: Botnet
Explanation:
Botnet is the process when a hacker user uses multiple guest computer to crack a password. Basically, hackers use botnet for performing the distributed denial of services attack in the network.
It also steal the data and allowed attacker to approach its connection and access its device.
Botnet word is the combination of robot and network and botnet can be controlled by using the command and control software.
