SMTP


1) In the SMTP dialog I send "HELO hongkong.com".  What is hongkong.com?
	Server the email perports to be from
	The server I'm connected to
	My hostname
	The hostname of the MX record of the receiver of the email

2) How does an SMTP server verify the sender's email address is legitimate?



3) Which city is biggest (population of the metro area)
	Hong Kong	Beijing		Singapore	Toyko

4) How does the SMTP server know when the email body is done?



5) In the SMTP dialog, which comes first?
	DATA		MAIL FROM

HTTP

1) What kind of status is HTTP code 410?
	success			temporary error
	permenant error		server error


2) Name any piece of metadata that might be in a valid HTTP reply.






3) Almost every HTTP request starts with the same character.  What is it?  (pick ONE char)




4) Which of these sends the fewest bytes to answer a request
	HTTP/0.9	HTTP/1.0	Same number of bytes

5) What seperates the metadata and the actual file contents in an HTTP reply?



Programming

1) The code below prints a "12".  What does the 12 mean?
	int q = write(socket, "abcdefghijklmnopqrstuvwxyz", 26);
	cout << q << endl;





2) In your server (or any reasonable server), which line of code is the server executing while the server waits
for a client to connect?  (choose one)
	MakeServerSocket		close
	read				open
	write				connect
	accept				






Potpouri

1) I want to send a packet.  It is 4 megabytes long.  The one way latency is 3 milliseconds.  The bandwidth is 
1000 megabits / second.  How long does it take?