MindSpace - Networking

Which of this package contains classes and interfaces for networking?

• java.io

• java.util

• Java.net

• java.network

How many bits are in a single IP address?

• 8

• 16

• 4

• 32 OR 128

• 64

Which of these class is used to encapsulate IP Address and Domain Name (Host Name)?

• DatagramPacket

• URL

• InetAddress

• URLConnection

InetAddress class object represents ________ and _________ .

• MAC Address

• IP Address

• Host (Domain) Name

• URL Address

What is the output of this program?

class networking

{

public static void main(String[] args)

throws UnknownHostException

{

InetAddress ob1 = InetAddress.getByName("sanfoundary.com");

InetAddress ob2 = InetAddress.getByName("sanfoundary.com");

boolean x = ob1.equals(ob2);

System.out.print(x);

}

}

What is the output of this program?

class networking

{

public static void main(String[] args)

throws UnknownHostException

{

InetAddress obj1 = InetAddress.getByName("cisco.com");

System.out.print(obj1.getHostName());

}

}

• cisco

• cisco.com

• www.cisco.com

• All of the given

InetAddress class has constructors.

• True

• False

IPv4 and IPv6 IP Addresses has size of:

• 4 bytes and 60 bytes

• 4 bytes and 6 bytes

• 4 bytes and 1128 bytes

• 4 bytes and 16 bytes

InetAddress factory methods throws which exception?

• Exception

• UnkonwnException

• HostException

• UnkonwnHostException

Which method return the InetAddress of our local host?

• getLocalHost( )

• getLocalHost(String hostName )

• getByLocalHost( )

• getByname(String hostName )