Answer:
In the presentation layer of the OSI reference model provides a variety of coding and functions that can be applied in application layer data. Information send by the application layer are ensured by these functions. As, presentation layer is the important layer in the OSI reference model because it is responsible for important services like data compression, data conversion, decryption and encryption.
Encryption at gateway is defined as, when the important data is first encrypted using protocol and then it is transferred in the network. And gateway re-director operates in the presentation layer.
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your organization has decided to use dhcp for ipv6. you want all windows 10 systems using ipv6 to get all of their tcp/ip information through dhcp. By setting up a Stateful network would you set up the network .
Why is DHCP utilized and what does it do?
Network devices are set up to communicate on an IP network using the Dynamic Host Configuration Protocol (DHCP).
A DHCP client utilizes the DHCP protocol to request configuration data from a DHCP server, including an IP address, a default route, and one or more DNS server addresses.
What are DHCP and DNS?
It is possible to translate domain names (like its.umich.edu) into IP addresses using the Domain Name System (DNS) on the Internet.
In order to automatically assign IP addresses and other parameters to devices when they connect to a network, there is a mechanism called Dynamic Host Configuration Protocol (DHCP).
Learn more about DHCP Server .
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Answer:
The error in the given question is that the class xyz must be abstract i.e
abstract class xyz.
Explanation:
In the given code the class xyz contain abstact method so class xyz must be abstract because abstract class contain abstract method .Abstract class contain final variable and abstract method by default all the method in abstract class is abstract and variable are final .
Syntax:
abstract class classname
{
//final variable
// abstract method
// method
}
so coorect code is
abstract class XYZ
{ public static final int A = 9;
public abstract void foo1( );
public int foo2( )
{
return 5;
}
}