Securely Connect to a Remote Server | CompTIA Server+ Exam SK0-004

Secure Remote Server Connection

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Question

After successfully authenticating to a remote server, a server administrator is presented with an interactive command line with no graphical interface.

Which of the following protocols did the administrator MOST likely use to securely connect to the remote server?

Answers

Explanations

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A. B. C. D.

A.

The most likely protocol that the server administrator used to securely connect to the remote server is SSH (Secure Shell).

SSH is a secure protocol used to access a remote server's command line interface. It provides a secure and encrypted connection between the client and the server, preventing unauthorized access to sensitive information transmitted during the session. When an administrator connects to a remote server via SSH, they are presented with a command line interface that they can use to execute commands and manage the server.

Bash, Telnet, and FTP are not secure protocols, and they should not be used to connect to a remote server when security is a concern. Bash is a Unix shell used to execute commands and scripts, but it does not provide any encryption or security features. Telnet is an old protocol that does not provide encryption or security, making it vulnerable to eavesdropping and data interception. FTP (File Transfer Protocol) is also an insecure protocol that should be avoided for remote server administration because it sends passwords and data in clear text, making it easy for attackers to intercept and steal sensitive information.

In conclusion, the most likely protocol used by the server administrator to securely connect to the remote server is SSH.