what is difference between layer2 and layer 3 switch

What is the difference between an interface and an abstract classWhat is the basis of your choice to use interfaces and abstract classes?The concepts of interfaces and abstract classes are different. An interface is an abstraction of an action, and an abstract class

passwordformat.hashed:Oldpwd = _encryptionservice.createpasswordhash (Request. OldPassword, customer. PasswordSalt, _customersettings.hashedpasswordformat);BreakDefaultOldpwd = Request. OldPassword;Break}BOOL Oldpasswordisvalid = Oldpwd = = Customer. Password;if (!oldpasswordisvalid)Result. Adderror (_localizationservice.getresource ("Account.ChangePassword.Errors.OldPasswordDoesntMatch"));if (oldpasswordisvalid)Requestisvalid = true;}ElseRequestisvalid = true;At this point request

Example: 3026 2012 5012. The value of 2nd bits is 0 ~ 4 indicates that it is a layer-2 switch. 3550. The fifth digit is 5 ~ 9 indicates that it is a layer-

1,Layer-3 forwardingYesRoute information is requiredThe route selection in the forwarding process determines the final egress of the message,L3 SwitchJust put thisRoute functions are integrated into the switch ChipGo. 2,Route SelectionExistExact matchAndLongest matchTwo methods. 2.1,Exact matchThat

the function name itself is a variable. For function declarations and function expressions as shown below, it is very useful to understand that a function in JavaScript cannot be overloaded without considering the difference between a function declaration and a function expression.1 function f (a) {2 return a + 3}

when he cannot find the address, and the hub is only responsible for forwarding the email regardless of the Bounce Message. Vro A Router operates at the network layer, the third layer in the OSI Layer-7 network model. It works by removing the information of the second layer