Question
Bank: Advanced Java Programming
(9165)
Class :
TYIF / TYCM / TYCO (IF-CM-CO/VI/C)
Chapter No. 02 Networking in Java
Answer the following questions:
(Note: Only one answer is correct).
1.
Which is the connectionless protocol?
a)
TCP
b)
UDP
c)
IP
d)
HTTP
2.
What is the port number of HTTP?
a)
80
b)
23
c)
47
d)
92
3.
Which protocol that web browsers and servers use
to transfer hypertext pages and images? a) TCP/IP
b)
UDP
c)
HTTP
d)
SMTP
4.
Originally, all Internet addresses consisted of
____ bit values. a) 32
b)
16
c)
24
d)
8
5.
What is the full form of DNS?
a)
Domain Naming System
b)
Domain Naming Service
c)
Domain Naming Software
d)
Domain Naming Security
6.
What is URL?
a)
Unicast Resource Location
b)
Uniform Research Launcher
c)
Universal Research Locator
d)
Uniform Resource Locator
7.
What is the full form of DNS?
e)
Domain Naming System
f)
Domain Naming Service
g)
Domain Naming Software
h)
Domain Naming Security
8.
Which class is used to encapsulate both the
numerical IP address and the domain name for that address? a) InetAddress
b)
SocketAddress
c)
IPAdress
d)
DNSSockets
9.
Which of the following constructor of
InetAddress is generally used?
a)
InetAddress()
b)
InetAddress(int port)
c)
InetAddress(URL url)
d)
There is no any visible constructor for
InetAddress
10. Factory
method of InetAddress class throws which of the following exception?
a)
MalFormedURLException
b)
UnknownHostException
c)
URLException
d)
MalFormedURLIOException
11. What
type of the value that getAllByName( ) returns?
a)
InetAddress[ ]
b)
InetAddress
c)
URL[ ]
d)
URL
12. In
which form the getAddress( ) returns object’s internet address? a) int[
]
b)
byte[ ]
c)
long[ ]
d)
String
13. Which
method returns a string that represents the host name associated with the
InetAddress object? a) hostName( )
b)
myHostName( )
c)
giveHostName( )
d)
getHostName( )
14. Which
Java networking class is designed to be a listener, and for clients to connect
before doing anything?
a)
Server
b)
ServerSocket
c)
Servers
d)
Socket
15. What
type of the exception might be thrown by a Socket class?
a)
URLException
b)
UnknownHostException
c)
MalFormedURLException
d)
None
16. What
the number 80 specifies in following URL?
a)
Port number
b)
Site number
c)
URL Uniform number
d)
HTML Page number
17. How
to specify the port number to the URL class?
a)
Use the method setPort( )
b)
Use the method setValues( )
c)
Give directly in the constructor
d)
URL takes the value automatically
18. Which
exception might be thrown by URL class?
a)
IOException
b)
UnknownHostException
c)
MalFormedURLException
d)
None of the above
19. The
openConnection is the method of which class?
a)
URL
b)
URLConnection
c)
Connection
d)
InetAddress
20. If
we create the datagram packet with following constructor: DatagramPacket(data,
offset, size, address, port) What ‘size’ specifies?
a)
Size of the packet
b)
Maximum data to read
c)
Minimum data to read
d)
Size of the offset
Show me the answers!
Question 1: The correct answer is the Answer b
Question 2: The correct answer is Answer a
Question 3: The correct answer is Answer c
Question 4: The correct answer is Answer a
Question 5: The correct answer is Answer a
Question 6: The correct answer is Answer d
Question 7: The correct answer is Answer e
Question 8: The correct answer is Answer a
Question 9: The correct answer is Answer d
Question 10: The correct answer is Answer b
Question 11: The correct answer is the Answer
Question 12: The correct answer is Answer
Question 13: The correct answer is Answer
Question 14: The correct answer is Answer b
Question 15: The correct answer is Answer d
Question 16: The correct answer is Answer a
Question 17: The correct answer is Answer
Question 18: The correct answer is Answer c
Question 19: The correct answer is Answer a
Question 2: The correct answer is Answer a
Question 3: The correct answer is Answer c
Question 4: The correct answer is Answer a
Question 5: The correct answer is Answer a
Question 6: The correct answer is Answer d
Question 7: The correct answer is Answer e
Question 8: The correct answer is Answer a
Question 9: The correct answer is Answer d
Question 10: The correct answer is Answer b
Question 11: The correct answer is the Answer
Question 12: The correct answer is Answer
Question 13: The correct answer is Answer
Question 14: The correct answer is Answer b
Question 15: The correct answer is Answer d
Question 16: The correct answer is Answer a
Question 17: The correct answer is Answer
Question 18: The correct answer is Answer c
Question 19: The correct answer is Answer a
Question 20: The correct answer is Answer a
You answered them all right!
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