What type of information can SIPRNet transmit?

SIPRNet, or the Secret Internet Protocol Router Network, is designed to handle classified information up to the Secret level. It serves as the primary means for the U.S. Department of Defense and other federal agencies to transmit classified data securely.

The infrastructure of SIPRNet allows for the secure exchange of sensitive and classified communications, which includes operational information and intelligence. This capability is essential for military operations and national security, as it ensures that critical information can be shared safely among approved users while maintaining the integrity and confidentiality of the data.

While unclassified information and public domain data can be transmitted over other networks, such as the internet, SIPRNet is specifically tailored for the needs of secure communication at the Secret level, making it a suitable environment for transmitting this type of classified information.

Thus, the option indicating that SIPRNet can transmit classified information up to Secret is accurate, showcasing its purpose as a vital communication channel for handling the sensitive and classified needs of national security operations.