[&] Which of the following commands could be configured on a router so that when DHCP Client messages are received on interface Gigabit0/1 they were relayed to the DHCP Server at the address of 7.7.7.7? (Select the best answer)
- Router(config)#ip helper-address 7.7.7.7
- Router(config-if)#ip helper-address 7.7.7.7 -- Correct
- Router(config-if)#ip dhcp-relay 7.7.7.7
- Router(config)#ip dhcp-relay 7.7.7.7

[&] The following configuration has been applied to a Cisco router in order to enable it to act as a DHCP Server. However DHCP Clients are unable to browse Internet websites. What could be the problem? 
   ip dhcp pool Marketing
     network 23.45.100.0 /24
     default-gateway 23.45.100.1
     lease 12 3 25
(Select the best answer)
- The users shouldn't be browsing the Internet anyway
- There is no mention of a DNS server in the DHCP pool -- Correct
- The default-router is in the wrong subnet
- The lease configured is too short
- The problem has nothing to do with this DHCP Server configuration

[&] What Cisco IOS command can be entered into a router (configured as a DHCP Server) to see if it has allocated any IP information to DHCP Clients? (Select the best answer)
- show ip dhcp client
- show ip dhcp wassup
- show ip dhcp binding -- Correct
- show ip dhcp lease