Answer:
CENTREX systems reside at the service providers central office, and the operations and maintenance responsibilities belong to the service provider
Explanation:
CENTRal EXchange. Telephone company service that obviates the need of buying, maintaining, and upgrading a private branch exchange (PBX). Basically, Centrex service consists of ordinary trunk-lines to which several features are added by the phone company. While it is more economical than a PBX system, it often requires special telephone equipment for exploiting its features.
Based on the above definition, we can infer that CENTREX systems reside at the service providers central office, and the operations and maintenance responsibilities belong to the service provider is the correct option since features are usually added by the company.
I believe Intel is better at handling games. Not saying AMD isn't good, just not as good. AMD is better for handling multiple task. I personally don't mind either.
Answer:
Depends how bad you want to hide something. If the drive has previously been encrypted and the password hashed (like AES-256 with SHA-512 hashing), then deleting the content is enough since it will be slightly overridden and thus unusable. If it is not encrypted already, delete it, and override all your disk space with something. If you want it to die as a secrete 100%, burn it and pulverize it. Otherwise, if you want a quick method, use some real delete software.
Answer: I think it is c
Explanation: hope this helps