The answer you're looking for might be "backwards-compatible".
The software that has no restrictions from copyright holder regarding modification of the software's internal and its redistribution is called an Open source software. They are being provided for use and redistribution for free, with no cost. They can be easily downloaded on the Internet.
The answer is C:
In most Franchise businesses, the franchisor provides ongoing guidance and support, and a developed way of doing business. In addition, they offer a higher rate of success as compared to start-up businesses and you may find it easier to secure finances for a franchise. You will get all the benefits that are attached with big businesses for a small business ownership.
Explanation:
By default, SSH opens port 22.
However, this can be arbitrarily changed. So if port 22 does not work, it is necessary to check the exact/new port number.
