Answer: (D) Distributed denial- of- service (DDoS)
Explanation:
 The distributed denial of service attack is one of the type of attack that occur when the multiple system are basically flooded with the resources and the bandwidth. 
- Botnet is one of the example of DDoS as it caused the DOS (denial of service) for the users.
- This type of attack is more substantial as compared to the DoS attack as they use the multiple system for attack the single target simultaneously.
Therefore, Option (D) is correct. 
 
        
             
        
        
        
apply for financial aid for college or grad school.
 
        
                    
             
        
        
        
The answer to this question is the PET scan. Positron
Emission Tomography or PET scan is an imaging test that checks and trace for
diseases in the body. This also shows how the body organs is functioning /
working. The doctor can evaluate the function of the patients body by the 3D
color images produced by the PET Scan.  
 
        
             
        
        
        
Greek word origins be helpful at a doctors offics