Answer:
The five rules are described as follows:
Rule A permits the inbound Simple Mail Transfer Protocol (SMTP) connection.
Rule B permits the inbound Simple Mail Transfer Protocol (SMTP) connection.
Rule C permits the outbound Simple Mail Transfer Protocol (SMTP) connection.
Rule D permits the outbound Simple Mail Transfer Protocol (SMTP) connection.
Rule E does not perform any action. Thus it is when the action is denied.
Explanation:
Rule A allows information transfer of the incoming email from the external server to the internal remote server, thus this allows an inbound connection.
Rule B allows information transfer of the incoming email from the remote server to the external remote server, thus this allows an inbound connection.
Rule C allows information transfer of outgoing email from the external server to the internal remote server, thus this allows an outbound connection.
Rule D allows information transfer of the outgoing email from the remote server to the external remote server, thus this allows an outbound connection.
Rule E does not allow any action in either direction thus it is when action is denied.
Answer: for 5 its b and for 6 i may be wrong but i think its also b
Explanation:
Physical memory
Main memory refers to physical memory that is internal to the computer.
Answer:
All the 3 statements are true.
Explanation:
1. The class methods and instance methods of one class may call the public class methods of another class using dot notation and referencing the name of the other class.
2. The class methods and instance methods of one class may call the private instance methods of another class by using dot notation to invoke the method on an instance of the other class.
3. The instance methods of a class may call, without using dot notation, any class method of the same class.
All the above mentioned statements are true.
