Answer: Maintenance. This is the stage where software is updated and hardware issues are fixed if and when they occur. Retirement. In this final stage, hardware becomes unusable or no longer needed and it needs to be properly removed from the fleet
Explanation:
In the scenario in which you are troubleshooting network connectivity issues on a workstation the command that you should use in order to request new IP configuration information from a DHCP server is: ipconfig/renew. This command tells your computer to renew its current IP address lease with the router.
Answer:
For undirected graph n(n-1) for directed graph 
Explanation:
The maximum number of edges for a undirected graph is given by 
, where n is number of vertices
The maximum number of edges in directed graph is given by , where n is number of vertices
The maximum number of edges is greater in undirected graph than directed graph
