CompTIA Cloud+ Practice Test

What device is recommended to access serial ports for network devices in a warm site disaster recovery model?

1. RDP

2. Telnet

3. IPsec

4. Terminal server

The correct answer is: Terminal server

In a warm site disaster recovery model, having the capability to access and manage network devices remotely is critical for quickly restoring operations following a disaster. A terminal server is designed specifically for the purpose of providing access to serial ports on network devices. It allows administrators to connect to multiple devices via their serial ports over the network. Terminal servers act as a bridge, converting serial data to TCP/IP, enabling remote access over the network. This capability is especially important in a warm site scenario where the infrastructure may be partially operational, and immediate access to network devices is needed to ensure services can be restored efficiently. Using other options does not directly enable this specific function. RDP (Remote Desktop Protocol) is focused on providing a graphical interface for Windows environments, while Telnet is a network protocol used to access command-line interfaces but is not inherently designed for accessing serial ports. IPsec, on the other hand, pertains to securing Internet Protocol communications but does not provide the means to connect to serial ports. Therefore, the terminal server is the most suitable option for managing serial connections to network devices in a warm site disaster recovery context.