Network Security Essentials Quiz Questions and Answers 
        
        
            
                
                    
                       
                        
                                   
                                   
                                       
                                       
                                           
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                                                               - Private IP addresses
- Any IP address that starts with the number 127
 
                                        
                                    
                                   
                                       
                                       
                                           
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                                                                                                                  - They include two implicit permit statements by default.
- They use prefix lengths to indicate how much of an address to match.
 
                                        
                                    
                                   
                                       
                                       
                                           
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                                                                                                                                                                                                                        - A firewall is a system that enforces an access control policy between internal corporate networks and external networks.
 
                                        
                                    
                                   
                                       
                                       
                                           
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                                                                                                                                                                     - A misconfigured firewall can create a single point of failure.
- Network performance can slow down.
 
                                        
                                    
                                   
                                       
                                       
                                           
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                                                                                                                                                                                                                        - Application gateway firewall
 
                                        
                                    
                                   
                                       
                                       
                                           
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                                                                                                                  - Traffic that is originating from the public network is usually blocked when traveling to the private network.
 
                                        
                                    
                                   
                                       
                                       
                                           
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                                                                                                                  - Design the physical infrastructure
 
                                        
                                    
                                   
                                       
                                       
                                           
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                                                               - To a global service policy