After a fault occurs, you need to collect and back up various types of fault information in time as a reference for troubleshooting. In addition, when seeking emergency assistance from Huawei Technologies Co., Ltd.

A. True

B. False

According to this diagram, can we break the A. system-IDforee8c.a0c2.baf2The device' whose type isLevel-1

B. system-IDforee8c.a0c2.baf2device whose type isLevel-1-2

C. R4belong only toLevel-1

D. R4dry onlyLevel2

Which of the following statements about the MP_REA, CH_NLRI attribute of BGP4+ is correct?

A. The length of the next hop address can be16or3

B. AFI (address family)value is2,representIPv6

C. NLRIfield carryIPv6Routing prefix and mask information

D. the length of the next hop address is16Time,Network Address of Next Hopcarries the link-local address

BGP authentication can prevent illegal routers from establishing neighbors with BGP routers. BGP authentication can be divided into ID5 authentication and Keychain authentication. Which of the followingBGP packets will carryBGPKeychain authentication information?

A. Open

B. Keepalive

C. Update

D. Notification

Run the display ip interface GEO/D/D command to view statistics about ping packets received on the interface.

A. True

B. False

As shown in the figure, the operator's BGP/MPLS IP VPN backbone network builds SP through DP. If you want to implement user X.

If the two sites communicate through the BGP/MPLS IPVPN network, PE1 and PE2 must use a 32-bit masked loopback interface address to establish an MP-IBGP peer relationship.

A. True

B. False

As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so in the LSDB of R3 There are no three types of LSAO

A. True

B. False

esigth uses different colors to distinguish different alarm levels, red represents emergency, orange represents important, and yellow represents. The table is secondary, and blue represents the prompt. Which of the following statements about different alarm levels is correct: (multiple choice)

A. Prompt: A potential or imminent business-impacting failure has been detecteD. but currently has little business impact

B. Minor: There is currently a certain impact on the business, but corrective actions are required to prevent serious failure alarms

C. Urgent: Alerts that have affected the business and require immediate corrective action

D. Important: An alarm that has affected the business and will have serious consequences if not handled in time

(Drag and drop question) The configuration shown in the figure is performed on R2 to filter all incoming routes. Suppose there is an entry on R1 AS_Path attribute is [100 200 300 400] BGP routes need to be sent to R2, please help network administrators in Adjust the AS order in the AS_Path attribute of the route on R1 to ensure that the route entry will not be routed by R2 route^policy AS-PATH permit node 10 if-match as-path-filter BGP route-policy AS-PATH deny node 20 ip as-path-filter BGP permit A[A2]00 400 100_

route-policy AS-PATH permit node 10 if-match ip-prefix BGP apply as-pathoverwrite ip ip-prefix BGP permit 10.0.0.0 24

A. 300--A 400--C 100--B 200--D

B. 300--A 400--B100--C 200--D

C. 300--B 400--A 100--C 200--D

D. 300--C 400--A 100--B 200--D

What is the most efficient way to view device alarms through the CLI?

A. display interface brief

B. display clock

C. display alarm

D. display current-configuration