Jorge says, “My smart phone is acting as a client when it checks e-mail over the Internet because it connects to a server, but it acts as a server when I'm making calls." Is Jorge correct, and if not, why not? Choose the best answer.
Answer
A
Jorge is correct about his smart phone acting as a client when it checks mail but incorrect about it acting as a server when calls are made.
B
Jorge is correct.
C
Jorge’s smart phone is always a client, even when it is off.
D
He is not correct because Jorge’s smart phone acts as a server when it checks e-mail.
Explanation
A client requests a service, while a server provides one. When Jorge’s phone checks e-mail, it requests e-mail service from a mail server, so it acts as a client. Making a call does not by itself mean the phone is acting as a server; the phone is typically using a network service to place or receive the call. Therefore, choice A is correct.
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