Question 1

An AR2200 router needs to restore the initial configuration, which of the following operations are necessary? ()*

Options :

A : Clear current configuration

B : Re-specify the configuration file to be loaded at the next startup

C : Reset saved.configuration

D : Restart the AR2200 router

Answer: C,D

Question 2

What is the destination IP address of the DHCP DISCOER message? ()

Options :

A : 127.0.0.1

B : 224.0.0.1

C : 224.0.0.2

D : 255.255.255.255

Answer: D

Question 3

What is the role of link aggregation? ()*

Options :

A : Improve network reliability

B : Increase bandwidth

C : Facilitate analysis of data

D : Achieve load sharing

Answer: A,B,D

Question 4

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 5

The network administrator configures the RTA on the Huawei router as shown in the figure. If a user needs to be authenticated in the authentication domain 'huawei', which of the following descriptions is correct? () (Single-choice question)

(RTA) aaa

(RTA-aaa) domain huawei

(RTA-aaa-doaain huavei) authentication -schene au1

(RTA-aaa-dogairhuavel) authenticIcation-schene au2

Options :

A : Will use 'authentication-scheme aul' authentication

B : 'Authentication-scheme aul authentication will be used. If 'au1 is deleted.'au2 authentication will be used

C : 'Authentication-scheme au2 authentication will be used. If 'au2' is deleted, 'aul authentication will be used

D : Will use 'authentication-scheme au2' authentication

Answer: C