a) Sputnik
b) Kennedy
c) DARPA
d) Ballistic
Missiles
( b )
// Comment: This was the Eisenhower era
2) Which of the following were not known for publications about packets?
a) Kleinrock
b) Donald Davis
c) Paul Baran
d) Vince
Cerf
( d )
3) UDP works at which of the following layers of the TCP/IP model
a) Physical
b) Data Link
c) Network
d) Transport
e)
Application
( d )
4) Which of the following is not a function of the IP layer?
a) error checking
b) acknowledgement
c) addressing
d)
routing
( b )
// Our
note has been 'magically modified to mention that the
// IP Header
includes some error checking to confirm the
// integrity
of the packet, so now b is the only correct answer
5) Which of the following is not a part of a typical client written in java?
1) creation of a ServerSocket object
2) opening streams
3) calling methods on stream instances
4) closing( )
streams
( a )
6) Which of the following lines of code would
least likely be needed
in a java server?
a) imports of the io and net package
b) a ServerSocket constructor taking an
IP address and port number
c) a call on accept(
)
d) a call on the close( )
method
( b )
// Comment: The server's socket constructor
only
takes a port number
// and doesn't open on a destination. It sits
around and waits to be opened on.