Answer:
Teergrubing.
Explanation:
Teergrubing is an antis-pamming approach where the receiving computer launches a return attack against the spammer, sending email messages back to the computer that originated the suspected spam.
It is a good antis-pamming approach because it slows response to the Simple Mail Transfer Protocol (SMTP) commands, thus tying up resources.
Answer:
authentication
Explanation:
At the authentication process, there is a way of identifying a user, this is typically done by having the user enter a valid user name and valid password before access is granted. Here at authentication the process is based on each user having a unique set of criteria for gaining access.
The AAA server have to ascertain by comparing a user's authentication credentials with other user credentials stored in a database. In the event the credentials match, the user is granted access to the network. But on the other hand, If the credentials varies, and authentication fails then network access will be denied.
No, network traffic management software is only concerned with the health of the Network.
Answer:
public: virtual void print()=0;
Explanation:
An abstract class contains a pure virtual function. Pure virtual class cannot be instantiated but it can be subclassed and the subclass can provide an implementation of the function.
A virtual function declaration in the class is preceded by the virtual keyword. For example, virtual void print();
A pure virtual function declaration is followed by '=0;'
public: virtual void print()=0;
