A subnet mask is used to determine the number of networks and the number of host computers. Every class of the IP address uses the different range of the subnet mask. Subnet masks allow the IP based networks to be divided into the sub networks for performance and security purposes.
What is SSL?
What two protocols are used in Java RMI technology?
What is difference between Swing and JSF?
What is JSF?
What is the difference between URL instance and URLConnection instance?
How do I make a connection to URL?
What is a Socket?
What information is needed to create a TCP Socket?
What are the two important TCP Socket classes?
Can you be bale to identify between Straight- through and Cross- over cable wiring? and in what case do you use Straight- through and Cross-over?
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