How does a P$2$P architecture differ from a client$/$server architecture?

$($CLO$9,$ MLO$8$B$)$

Question $5$ options:

a$)$

P$2$P networks use HTTP to transfer files

b$)$

The P$2$P architecture has file transfer capabilities

c$)$

P$2$P computers can act as both the client and the server

d$)$

P$2$P nodes always encrypt their requests