Answer:
Advanced persistent threat.
Explanation:
Advanced persistent threat is a threat actor implemented by either a government supported or private group to intrude a network or system and stays undetected, collecting information over a period of time.
It is used by cyber terrorist group to facilitate massive attacks based on the information retrieved. National or government group use the concept to promote national security.
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.
If we are talking about a simple North American Keyboard, The answer would be F1 to F12
Hope this Helps!!!
Answer:
Option C is the correct answer for the above question
Explanation:
Authentication is used to grant a person to use the system so that no other person can hack the data of the system. It is done by some unique id which is provided to the user of that system. When any person wants to use the system he needs to use that a unique id and sometimes password and some other information to use the system.
The above question asked about the process through which the user of the system grants access to use the system only. So the process is Authentication. hence Option C is correct because it states about the process Authentication while the other is not because--
- Option a states Credibility which is not the process to enter the system.
- Option b states Authorization which is used if the system gives access to the user, not the user can take on its own.
- Option d states Honesty which is not the process to enter the system.