________________________________________________________________________________ 1003926 Troubleshooting the VMware VirtualCenter Server service when it does not start or fails ________________________________________________________________________________ 1003895 Stopping, starting, or restarting the VirtualCenter Server service ________________________________________________________________________________ 1003928 Troubleshooting the database data source used by VirtualCenter Server ________________________________________________________________________________ 1003971 Determining Read more

-t Pings continuously until terminated by Ctrl+C. Press Ctrl+Break to view statistics. Perform extended testing or check for intermittent problems. -a Resolves address to host name. Test name resolution and troubleshoot Hosts file. -n count Specifies number of packets to send Perform extended testing. -l size Specifies packet size in bytes; the default is 64, the maximum is 8,192 Check for packet fragmentation and response time. -f Sets Don’t Fragment flag in packet Prevent routers from fragmenting Read more

• What is a NIC? • What is a MAC Address? • When would you use a crosslink cable? • What are the main advantages and disadvantages of Fiber-Optic-based networks? • What is the difference between a Hub and a Switch? • On which OSI layer can a router be found? • What is CSMA/CD? • What is multicast? • What is Broadcast? • What is the difference between TCP and UDP? • Describe some of the settings that are added by TCP and by UDP to the packet's header. • What are TCP Ports? Read more