Mike works as a Network Engineer for XYZ CORP.

David system is a network management system that allows a user to manage the resources and services through both Intranet and Internet. It provides auto-discovering and network topology building features to facilitate in keeping an intuitive view of the IT infrastructure. The resources, real-time monitoring, and accessibility of historical data facilitate reaction to failures. Configured interfaces for monitored devices permit a user to focus on the most important aspects of their work. Answer: B is incorrect. dopplerVUe is a network management tool that facilitates network discovery, mapping, alerts and alarm management, and bandwidth management system. It enables monitoring of Ping, SNMP, syslog, and WMI performance metrics. It can also be used to monitor IPv6 devices, as well as services such as DNS, http, and email. Answer: A is incorrect. eBox is an open source distribution and web development framework. This framework is used to manage server application configuration. It is based on Ubuntu Linux. It is projected to manage services in a computer network. The modular design of eBox allows a user to pick and choose the services. Answer: D is incorrect. EM7 is a network monitoring system that is used to measure IT infrastructure health and performance. It is an NMS integrated system. It is designed to help in optimizing the performance and availability of the networks, systems, and applications. It facilitates trouble-ticketing, event management, reporting, IP management, DNS, and monitoring.