Final answer:
A cold site in disaster recovery planning is a facility that is not actively processing data but can be brought online if needed. It is a more cost-effective option compared to hot or warm sites since it does not include hardware, software, or live data.
Step-by-step explanation:
In disaster recovery planning, a cold site refers to a facility that is not actively processing data but can be brought online if needed. It is a more cost-effective option compared to hot or warm sites since it does not include hardware, software, or live data. A cold site typically only includes the necessary infrastructure, such as power and network connections, that can be utilized in the event of a disaster.