A. GE0/0/0 of R1 must have the capability of Leve1-2

B. There must be an LSDB of Leve1-2 on R1

C. GE0/0/1 of R1 must have the capability of Leve1-2

D. R1 has 2 IS-IS neighbors

A. Distribution process of public network labels

B. Route exchange between CE and PE

C. The process of injecting MP-BGP routes into VRF

D. The process of VRF route injection into MP-BGP

A. Prompt: A potential or imminent business-affecting failure is detected, but currently has little business impact

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

C. Important: Alarms that have affected the business and will have more serious consequences if not handled in time

D. Minor: Alarms that currently have some impact on the business but require corrective action to prevent serious failures

A. Increased link bandwidth means less delay and jitter

B. The increase in link bandwidth reduces the chance of congestion and thus the number of dropped packets

C. Increased link bandwidth can support higher traffic

D. An increase in link bandwidth can increase the available bandwidth for the control protocol

A. The device type of R3 must be Leve-1-2

B. Unable to determine the device type of R3

C. The device type of R3 must be Level-2

D. The device type of R3 must be Level-1

A. Monitor the integrity of the TCP connection of the LDP Session

B. Release Tag

C. Terminate the outstanding Label Request Message

D. Negotiate parameters during LDP Session establishment

A. The circuit-type of the interconnection interface of R3 and R4 does not match

B. The IIH authentication of R3 and R1 failed

C. IS-Leve1 of R3 and R4 do not match

D. The area numbers of R3 and R4 are different

A. A Super-VLAN can contain one or more Sub-VLANs

B. Super-VLAN contains only physical interfaces, and does not establish a Layer 3 VLANIF interface

C. Sub-VLAN is used to isolate broadcast domains

D. Sub-VLAN contains physical interface. Layer 3 VLANIF interface can be established

A. Customer Authorization

B. Administrative Authorization

C. Administrative Authorization

D. Technology Authorization

A. ASPF dynamically creates and deletes filtering rules

B. ASPF dynamically allows multi-channel protocol data to pass through the Servermap table

C. The five-tuple Server-map entry implements a similar function to the session table

D. ASPF monitors messages during communication

A. FALSE

B. TRUE

A. FALSE

B. TRUE

A. When BGP is used to exchange routing information between PE and CE, there is no need to import private network routes into BGP on PE.

B. In the Hub&Spoke scenario, when Hub-CE and Hub-PE use IGP, Spoke-PE and Spoke-CE cannot use EBGP

C. In the case of CE multi-homing, enabling BGP AS number replacement may cause routing loops. BGP SoD can be used to prevent routing loops in VPN sites.

D. When BGP is used to exchange routing information between PE and CE, if the autonomous systems where the two VPN sites are located use the same private AS number, the AS number replacement function can be used to replace the received private AS number with any specified AS number. The AS number in the network route to prevent the route from being discarded due to repeated AS numbers

A. After the configuration of the device is changed, there is no need to back up the configuration file

B. The purpose of backup is to restore network function in extreme cases

C. License does not need to be backed up

D. The software version should be backed up, and the same product and the same version should be backed up multiple times