1. Graphical Ethernet frame format
A: The
standard format illustrated MAC address 2.
A:
3. What is the length range of a standard Ethernet frame?
Answer: 64-1518
4. Use the table to compare the functions of the four command line modes of Cisco switches and how to enter them
Answer:
User mode, privileged mode, global configuration mode, and interface mode
can only view some statistics. You can view and modify the configuration of the cisco device. You can modify the global configuration of the switch.
Enter Enable Config terminal Interface fastethernet is set for the f0/1 interface.
5. Briefly describe the working principle of the switch.
Answer: The switch learns the mac address table according to the original mac address of the port, and decides how to forward the frame according to the destination mac address of the data frame. If there is in the mac address table, it will be unicast, and if it is not, it will be broadcast.
6. In user mode, which commands can be executed in sequence to change the host name of the switch to switch?
Answer: Enter to enter privileged mode and then enter conf t to enter global mode, and then enter hostname switch.
7. What are the methods to return to privileged mode from global or interface mode?
Answer: End exit
8. What commands are executed in sequence on the Cisco switch to enter the interface mode of f0/1 from user mode?
Answer: Enter to enter the privileged mode, enter conf t to enter the global mode, and then enter the interface of int f0/1.
9. The prompt of the switch is "sw1(config-if)#". You can view the system IOS name and version information by executing what command in turn ?
Answer: Use show version command to display version information in global mode
10. When the show mac-address-table dynamic command is executed on the Cisco switch, what kind of information can be obtained?
Answer: You can check the mac address table in the switch
.