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A systems administrator is trying to establish an RDP session from a desktop to a server in the cloud. However, the connection appears to be refused even through the VM is responding to ICMP echo requests. Which of the following should the administrator check FIRST?
Correct Answer: A
The firewall is the first thing that the administrator should check if an RDP (Remote Desktop Protocol) session from a desktop to a server in the cloud is refused even though the VM is responding to ICMP echo requests. A firewall is a device or software that controls the incoming and outgoing network traffic based on predefined rules or policies. A firewall may block RDP connections by default or require specific ports or rules to be opened or configured.