<span>There are some network modeling tools that can scan the existing network.</span>
Answer: Simple-locker
Explanation:Simple-locker is the program that works on the technique in which it automatically encrypts the data or files and then demand a certain ransom or money from the user for the decryption of that data. It works on the function to gain the ransom or incentive in the financial form.
The decryption can only be carried out in safe way when the victim has the key to decrypted data or file.
Answer: Eyes and face
Explanation: The non-verbal communication defines the communication through the facial expression gesture, posture etc. This type of communication happens where there is no requirement or permission of being verbal or just to judge a person without having communication with them .The expression obtained from face are enough to determine the emotion of a person whether he/she is happy, sad or scared.