Adam works as a professional Penetration tester.

Adam works as a professional Penetration tester. A project has been assigned to him to employ penetration testing on the network of Umbrella Inc. He is running the test from home and had downloaded every security scanner from the Internet. Despite knowing the IP range of all of the systems, and the exact network configuration, Adam is unable to get any useful results.

Which of the following is the most like cause of this problem?

Each correct answer represents a complete solution. Choose all that apply.