Answer: Operate over existing telephone lines to carry voice, data, and video.
Explanation:
Digital subscriber line is a means of transferring high bandwidth data over a telephone line. Such data could be a voice call, graphics or video conferencing. DSL uses a user's existing land lines in a subscriber's home, allowing users to talk on a telephone line while also being connected to the Internet. In most cases, the DSL speed is a function of the distance between a user and a central station. The closer the station, the better its connectivity.
Two. One for encryption, and one for decryption. RSA is an example of an asymmetric encryption algorithm.
Answer: killall[process_name] or kill[PID]
Explanation:
Killall is a tool for disabling running processes on the system. It will disable all programs that matches the name mentioned.
kill disables processes based on process id numbers. it does not disable the process directly. The process recieves a signal where the process will follow instructions which it has to follow if it receives the signal.
Protecting the Power supply
Adding disk Arrays
Install an NLB Cluster