50. A Web client is experiencing time-out errors when opening a socket to
a Web server. You are able to use other Internet services (FTP, e-mail,
and so on), but you cannot browse to any Internet Web sites. What is
the most likely cause?
A. The Web browser is not functioning correctly.
B. The proxy server is blocking the socket.
C. The proxy server is down.
D. TCP/IP is not installed on the client.
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