In the last lab, you have dragged in a Router.
Click on Router & choose CLI.
Continue with configuration dialog? [yes/no]:  no
Router> en
Router# conf t
Router(config)#hostname Branch
Branch(config)#int g0/0
Branch(config-if)# ip add 10.1.1.1 255.255.255.0
Branch(config-if)# no shut
Branch(config-if)#end
Branch# ping 10.1.1.11    (ok)

Drag in another router (2901)
Use cross cable to connect Branch G0/1 to new router G0/1
Branch(config)# int g0/1
Branch(config-if)# ip add 209.165.201.1 255.255.255.224
Branch(config-if)# no shut

Click on the New Router & go to CLI tab:
Continue with configuration dialog? [yes/no]: no
Router> en
Router# conf t
Router(config)# hostname HQ
HQ(config)# int G0/1
HQ(config-if)# ip add 209.165.201.2 255.255.255.224
HQ(config-if)# no shut
HQ(config-if)#end
HQ# ping 209.165.201.1     (ok)
(Don't ping others, routing is not configured yet.)
HQ# ping 10.1.1.100		(NO)