Which of what? What is the complete question???
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.
Explanation:
Recovery phase is the last phase in any disaster recovery process.
According to the given situation it is better to call System administrator so that the system is recovered properly which even avoids damage of important data stored in the system.
Always it is important to keep credentials for important data or system to avoid unauthorized access. So in the recovery phase, the System administrator would login with the credentials and check for possibility of recovering maximum data out of the system.
Answer:
Option B is correct.
Explanation:
A digital signature is a numerical method used for validating a message, applications, or digital text's validity and dignity. Digital signatures are legally considered lawful in most other countries such as the United States in almost the equal way as document signatures.
The verifier hashes the plain text message of the same technique being used by sender to have the text digested while testing the digital signature.
Im not completely sure, but i believe the answer is b. Different switches can be used at different times which have different outputs. You could switch cases in one program and use a different one in another and get different outputs.
