COMPUTER HARDWARE AND SOFTWARE FOR THE MANAGEMENT, ANALYSIS, TROUBLESHOOTING, MEASURING AND MONITORING OF COMPUTER NETWORKS AND COMMUNICATION NETWORKS, NAMELY, ELECTRONIC, FIBER, VOICE, AND DATA COMMUNICATION NETWORKS; PROBES FOR THE MANAGEMENT, ANALYSIS, TROUBLESHOOTING, MEASURING AND MONITORING OF COMPUTER NETWORKS AND COMMUNICATION NETWORKS, NAMELY, ELECTRONIC, FIBER, VOICE, AND DATA COMMUNICATION NETWORKS