A user experiences sporadic periods where their workstation cannot reach web services, however, file sharing within the local network is unaffected. There are no similar complaints from colleagues. The network settings on the workstation are configured to obtain settings automatically. Which initial troubleshooting step should a technician take to diagnose the problem?
Inspect the host file for incorrect entries that could interrupt web services.
Modify the network security settings to include web services in the whitelist.
Reset the web browser's settings to default.
Examine the network configuration for a self-assigned address and renew the configuration if necessary.