a.ATM
b.IE
c.proxy
d.bmp
e.ftp is conntion oriented (TCP), tftp is connectionless (UDP)
f.23
g.
h.maybe e-marketing? I don't know I am not in this business.
i.HTML, XML is taking over.
j.216
k.maybe SYN flood DOS attack. Bad wording in question. Either IP address or TCP port. No such thing TCP/IP address.