SK0-005 · Question #464
An administrator is troubleshooting connectivity to a remote server. The goal is to remotely connect to the server to make configuration changes. To further troubleshoot, a port scan revealed the port
The correct answer is B. Open port 22 and close port 23.. Port 22 is used for SSH (Secure Shell), which is a secure and encrypted protocol for remote access to a server. Port 23 is used for Telnet, which is an insecure and unencrypted protocol for remote access. Port 990 is used for FTPS (File Transfer Protocol Secure), which is a secur
Question
An administrator is troubleshooting connectivity to a remote server. The goal is to remotely connect to the server to make configuration changes. To further troubleshoot, a port scan revealed the ports on the server as follows:
Port 22: Closed Port 23: Open Port 990: Closed Which of the following next steps should the administrator take? Reboot the workstation and then the server.
Options
- AOpen port 990 and close port 23.
- BOpen port 22 and close port 23.
- COpen all of the ports listed.
- DClose all of the ports listed.
How the community answered
(27 responses)- A4% (1)
- B81% (22)
- C11% (3)
- D4% (1)
Explanation
Port 22 is used for SSH (Secure Shell), which is a secure and encrypted protocol for remote access to a server. Port 23 is used for Telnet, which is an insecure and unencrypted protocol for remote access. Port 990 is used for FTPS (File Transfer Protocol Secure), which is a secure and encrypted protocol for file transfer. The administrator should open port 22 and close port 23 to enable SSH and disable Telnet, as SSH is more secure and reliable than Telnet. The administrator does not need to open port 990, as FTPS is not required for making configuration
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