A.Make sure that the server can be reached across the network.
B.Check that authentication for TFTP access to the server is set.
C.Assure that the network server has adequate space for the IOS image.
D.Verify file naming and path requirements.
E.Make sure that the server can store binary files.
F.Adjust the TCP window size to speed up the transfer.

A.Replace the straight-through cable with a crossover cable
B.Change the subnet mask of the hosts to /25
C.Change the subnet mask of the hosts to /26
D.Change the address of Workstation A to 192.0.2.15
E.Change the address of Workstation B to 192.0.2.111

A.Switch1(config-if)# switchport port-security maximum 1
B.Switch1(config)# mac-address-table secure
C.Switch1(config)# access-list 10 permit ip host
D.Switch1(config-if)# switchport port-security violation shutdown
E.Switch1(config-if)# ip access-group 10

A.copier
B.microwave oven
C.toaster
D.cordless phone
E.IP phone
F.AM radio

A.Switch1 - Fa 0/2
B.Switch1 - Fa 0/9
C.Switch2 - Fa 0/3
D.Switch2 - Fa 0/4
E.Switch2 - Fa 0/8
F.Router - Fa 1/0