What is an appropriate use of a default route?

A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote seiver. What is the highest layer of the protocol stack that the network administrator is using for this operation?

For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)

A Catalyst 2950 needs to be reconfigured. What steps will ensure that the old configuration is erased? (Choose three.)

Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)

Which three IP addresses can be assigned to hosts if the subnet mask is /27 and subnet zero is usable? (Choose three.)

Select the action that results from executing these commands.
Switch(config-if)# switchport port-security
Switch(config-if)# switchport port-security mac-address sticky

What are three IPv6 transition mechanisms? (Choose three.)

What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch? (Choose two.)

Which statement is correct regarding the operation of DHCP?