Question 1

If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()

Options :

A : 00EO-FCEF-FFFE-OFEC

B : 02EO-FCFF-FEEF-OFEC

C : 02EO-FCEF-FFFE-OFEC

Answer: B

Question 2

The origin of SDN is the separation of transfer and control. The separation of transfer and control is a way to realize SDN, not the essence. ()

Options :

A : True

B : False

Answer: A

Question 3

Which of the following statements about the role of the STP protocol ForwarD.Delay is correct? ()

Options :

A : Prevent temporary loops

B : There is a delay in the transition between Blocking state and DsiableD state

C : Reduce the time interval of BPDu transmission and improve the convergence speed of STP

D : Improve the survival time of BPDUs to ensure that the configured BPDUs can be forwarded to more switches

Answer: A

Question 4

The output information of the link aggregation port of a certain switch is as follows. If you want to delete Eth-Trunk1, which of the following commands is correct? ()

Options :

A : undo interface Eth-trunk 1

B : inte GigabitEthernet 0./0/2 Undo eth-trunk Quit Undo interface eth-trunk 1

C : inte GigabitEthernet 0./0/1 Undo eth-trunk Quit inte GigabitEthernet0./0/2 Undo ethtrunk Quit

D : inte GigabitEthernet 0./0/1 Undo eth-trunk Quit Undo interface eth-trunk 1

Answer: A

Question 5

As shown in the figure, it can be judged that 00e0-fc99-9999 is the specific host and MAC address learned by the switch through ARP. And the host has changed its IP address three times? () (Single-choice question)

10.137.217.210 00e0-fc01-0203 E1/0/0

10.2.2.1 00e0-fc99-9999 Eth-Trunk 1

192.168.20.1 00e0-fc99-9999 vlan100

10.0.0.1 00e0-fc99-9999 vlan200

Options :

A : True

B : False

Answer: B

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