You have a small network at home that is connected to the Internet. On your home network you have a server with the IP address of 192.168.55.199/16. All computers on your home network can connect to the Internet. From your work office, you can try to access your home computer using its IP address, but are unable to communicate with the server. You are able to connect to other hosts on the Internet. Why can't you access the server?

The TestOut Network Pro certification measures your ability to perform tasks commonly performed by IT network professionals, including systems administrators, network administrators, network engineers and related careers. This certification covers the topics in CompTIA Network+ (N10-007) certification. The Testout Network pro certification syllabus covers multiple operating systems, including: Windows Client, Windows Server, macOS, Enterprise Wireless configuration, and Cisco Command-Line interface (routers and switches).