Question 1

After a fault occurs in the network, the administrator finds that the configuration of a certain router has been modified through troubleshooting. What measures should the administrator take to avoid this situation from happening again? ()*

Options :

A : The administrator should configure ACL to control that only the administrator can log in to the device

B : The administrator should enable port-security on the routed management port

C : The administrator should configure AAA. to authenticate and authorize users who log in to the device

D : The administrator should configure the permission level of all accounts except the administrator to log in to the device as

Answer: A,C,D

Question 2

What are the advantages of the OSPF protocol? ()*

Options :

A : Support area division

B : OSPF supports load sharing for equal-cost routes

C : OSPF supports message authentication

D : OSPF supports typeless inter-domain routing (CIDR)

Answer: A,B,C,D

Question 3

The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)

Huaweidisplay mac address

MAC address table of slot 0:

MAC Address VLAN/PEVLAN CEVLAN Port Type LSP/LSR-ID

VSI/SI MAC-Tunnel

5489 9811 0b49 1 Eth0/0/3 static 0/

Total matching items on slot 0 displayed =1

MAC address table of slot 0:

MAC Address VLAN/ PEVLAN CEVLAN Port Type LSP/LSR-ID

VSI/SI MAC-Tunnel

5489-989d-1d30 1 Eth0/0/1 dynamic 0/-

5489-9885-18a8 1 Eth0/0/2 dynamic 0/-

Total matching items on slot 0 displayed 2

Options :

A : The MAC address 5489-9811-0b49 is manually configured by the administrator

B : After the switch restarts, all MAC addresses need to be relearned

C : The MAC address 5489-989d-1d30 is manually configured by the administrator

D : The MAC address 5489-9885-18a8 is manually configured by the administrator

Answer: A

Question 4

The Hybri D port can be connected to the user host or other switches. ()

Options :

A : True

B : False

Answer: A

Question 5

What are the user authentication methods that can be deployed in wlan? ()

Options :

A : Portal authentication

B : MAC. Authentication

C : Radius certification

D : 802.1X authentication

Answer: A,B,D

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