9 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; NETWORK PROBES CONSISTING OF 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