10. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as
 a. Spam
 b. Trash
 c. Calibri
 d. Courier
 e. None

B, C or D which one is correct ???

A security architect for a large, multinational manufacturer needs to design and implement a security solution to monitor traffic.

When designing the solution, which of the following threats should the security architect focus on to prevent attacks against the network?

 A Packets that are the wrong size or length
 B Use of any non-DNP3 communication on a DNP3 port
 C Multiple solicited responses over time
 D Application of an unsupported encryption algorithm

Very confusing between B and D , Please guide 

A security architect for a large, multinational manufacturer needs to design and implement a security solution to monitor traffic.

When designing the solution, which of the following threats should the security architect focus on to prevent attacks against the network?

 A Packets that are the wrong size or length
 B Use of any non-DNP3 communication on a DNP3 port
 C Multiple solicited responses over time
 D Application of an unsupported encryption algorithm

17. An operating system manages numerous, concurrently running programs known as processes. A process control block (PCB) is a data structure that can hold a) the value of the program counter b) the values of all registers c) accounting information about the current process d) All of the above x e) None of the above