Final answer:
The applications that provide virtual terminal access to remote servers are SSH (Secure Shell) and Telnet. SSH is known for its secure encrypted connections, while Telnet is less secure and thus less commonly used today.
Step-by-step explanation:
The two applications that provide virtual terminal access to remote servers are SSH and Telnet.
SSH, which stands for Secure Shell, is a protocol used to securely connect to a remote server or computer. It provides a secure channel over an unsecured network by using a client-server model and allows for secure data communication, remote command execution, and other network services. SSH is widely used because it offers encryption, which secures the connection from eavesdropping, connection hijacking, and other network-level attacks.
Telnet is another protocol used for virtual terminal access. Unlike SSH, it does not encrypt the connection, which makes it less secure and thus it has been largely replaced by SSH for remote access needs. However, Telnet is still used for troubleshooting and accessing legacy equipment in some environments.