Use-cases are scenarios that describe
o how software is to be used in a given situation.
o how case tool will be used to construct thesystem.
o to build plan for a software product.
o the test cases for a software product.

 Use- cases are scenarios that describe how software is to be used in a given situation.

Explanation:

Use-cases has multiple path that can be used by the users at one time and it basically described how software can be used in a given situation. A use case scenarios is a single path by the use-case. There are two types of use cases:

system use cases and business use cases. Use cases are basically used in a system to identifies and analysis of system software requirements.

answer; i believe the correct answer to be the parents and primary groups bears most of the responsibility for socialization in the cooley's theory;

solution:

this situation is called an ip conflict.

data from a server is sent in small bits called packets. in an ip conflict, some packets will end up in one computer while some other packets will end up in another computer.

so…overall none of the computers get the data as the original message or picture being sent by the server cannot be retrieved with only half the packets. so it will show up as an error.

thus the final answer is d.