Configuring web server
Why does IP work and not Domain name? Because we have not
configured the DNS to recognise the domain name www.cisco.corp.
Configuring DNS
The user is able to browse because
the DNS server has been configured to recognise the domain name through
configuring the IP address.
Configuring email server
Sending Email
Because SMTP allows emails to be sent and POP3 allows them
to be received.
Configuring NTP
Secure NTP