The answer to this question is firewall
        
             
        
        
        
All server side errors start with 5XX
        
             
        
        
        
Answer:
The Firewall (Router) is the vulnerable hardware.
Explanation:
The entry into the network will be the firewall (If there is a firewall installed on the network), if this medium is compromised, every workstation on the network will be vulnerable.
 
        
             
        
        
        
Different video files and operating system versions can cause compatibility issues to arise between computer systems.
Since, file formats and operating systems may not be compatible with each other. For example, earlier versions of Windows may not be able to play certain types of video files due to the codecs used to encode them.
<h3>Importance of compatibility between operating system computer systems</h3>
Compatibility between operating systems is important because it allows different computer systems to interact and share resources. This includes sharing of programs, files, and data. 
Compatibility also allows users to access applications and services on different platforms. It also enables efficient use of hardware and software resources, as well as efficient use of resources in a network. Compatibility also ensures that computer systems can communicate with each other and can access the same resources. Without compatibility, it would be difficult for computer systems to interact with each other.
What are two compatibility issues that may arise between computer systems while transferring presentations? (Fill in the blank).
Different video files and _____ can cause compatibility issues to arise between computer systems.
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