CompTIA Cloud+ Practice Test

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What is the most likely cause of a developer not being prompted for credentials when accessing an older file server from a Windows Server 2019 virtual machine?

You need to set different firewall rules for SMB access from Windows Server 2019.
All network traffic is blocked between the virtual machine and the file server.
The virtual machine does not have the proper credentials to log into the file server.
The file server is running SMB 1, which is not enabled by default on Server 2019.

The correct answer is: The file server is running SMB 1, which is not enabled by default on Server 2019.

The most likely cause of a developer not being prompted for credentials when accessing an older file server from a Windows Server 2019 virtual machine is that the file server is running SMB 1, which is not enabled by default on Server 2019. Windows Server 2019 disables SMB 1 (Server Message Block version 1) by default due to security vulnerabilities associated with this older protocol. If the virtual machine attempts to connect to a file server that only supports SMB 1, it will fail to establish a connection that allows for authentication prompts, as the necessary SMB version for communication is not available. Therefore, the lack of credentials prompt stems from this compatibility issue rather than a failure in enforcing certain configurations or network traffic blocks. In contrast, other options address various networking aspects or credential management that do not apply directly to the SMB protocol version compatibility.