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1.
Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?
2.
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?
3.
A receiving host computes the checksum on a frame and determines that the frame is damaged. The frame is then discarded. At which OSI layer did this happen?
4.
Refer to the graphic.
Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server?
Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server?
5.
A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server.
What is the highest layer of the protocol stack that the network administrator is using for this operation?
What is the highest layer of the protocol stack that the network administrator is using for this operation?
6.
Where does routing occur within the DoD TCP/IP reference model?
7.
What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?
8.
What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch?
9.
Which switch would STP choose to become the root bridge in the selection process?
10.
A switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet.
What is the effect of adding switch ports to a new VLAN on this switch?
What is the effect of adding switch ports to a new VLAN on this switch?