The Internet Is a Hierarchical Structure Linking Different Levels of Service

question 47

Multiple Choice

The Internet is a hierarchical structure linking different levels of service providers whose millions of devices supply all the interconnections. The three levels outlined in the book from the top down include ________.

• A)New system provider (NSP), Current system provider (CSP), and Order entry system provider (OSP)
• B)National service provider (NSP), Regional service provider (RSP), and Internet service provider (ISP)
• C)Net server point (NSP), Radio server point (RSP), and Internet server point (ISP)
• D)None of the above

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Definitions:

Resource Extraction

The process of retrieving natural resources from the Earth, such as minerals, fuels, and timber, for human use.

Temptation

An urge or desire to perform an action that may be enjoyable in the short term but is generally considered unwise or detrimental in the long run.

User Cost

User cost comprises the costs associated with the use of a product or service, including wear and tear, maintenance, and the opportunity cost of forgone alternatives.

Extract

To remove or obtain a substance from a source through a process.