[Full-Version] 2023 New Preparation Guide of Huawei H12-831-ENU Exam [Q215-Q236]

NEW QUESTION 215
As shown in the figure, R1, R2, R3, and R4 are in the same MPLS domain, and LDP is used to distribute MPLS labels between devices. R4 is the Egress LSR of the FEC 4.4.4.0/24. If you want to realize that when R1 accesses 4.4.4.0/24, R4 does not need to query the label table but can know the forwarding priority of the data, then the outgoing label of R3 for the FEC should be ( ). (Please fill in the Arabic numerals directly, without symbols)

NEW QUESTION 216
Which of the following options are there for the conditions for the firewall security policy to match traffic? (Multiple choice)

NEW QUESTION 217
Through the VLAN aggregation technology, one Sub-VLAN can correspond to multiple broadcast domains, which improves the flexibility of addressing.

NEW QUESTION 218
Regarding the BGP/MPLS IPVPN routing interaction, which of the following descriptions is wrong?

NEW QUESTION 219
All routers on a network run IS-IS, and they are all in Area49.0001. The LSDB of R1 is shown in the figure. Based on this, it is judged that the DIS of Leve1-2 is ( ). (Please fill in the device name, such as R1)

NEW QUESTION 220
When troubleshooting the EBGP neighbor relationship, you find that the two directly connected devices use the loopback port to establish a connection, so execute display current-configuration configuration bgp to check the configuration of peer ebgp-max-hophop-count. Which of the following statements is correct?

NEW QUESTION 221
Which of the following statements about the MP_REACH_NLRI attribute of BGP4+ is correct? (Multiple choice)

NEW QUESTION 222
Which of the following statements is true about the multicast addresses used by OSPFv3? (Multiple choice)

NEW QUESTION 223
If the sticky MAC function is enabled on an interface, what is the number of MAC addresses learned by the interface by default?

NEW QUESTION 224
When MPLS is deployed in the network and the network layer protocol is IP, the route corresponding to the FEC must exist in the IP routing table of the LSR, otherwise the label forwarding entry of the FEC will not take effect.

NEW QUESTION 225
The output information of a router is as follows. Which of the following causes the OSPF adjacency cannot be established normally? (Multiple choice)

NEW QUESTION 226
A router runs OSPF, and the output information is shown in the figure. Which of the following statements is correct?

NEW QUESTION 227
View the running configuration in memory through display current-configuration.

NEW QUESTION 228
According to this figure, it can be known that in VLAN 300, on 2020-06-04, from 17:22:38 to 17:22:44, how many MAC flaps does the 00e0-fc3d-3bdb have?

NEW QUESTION 229
Which of the following sequences can be matched by the regular expression 100.S? (Multiple choice)

NEW QUESTION 230
IS-IS supports the processing and calculation of IPV6 routes by adding TLVs to carry IPV6 addresses and reachability information.

NEW QUESTION 231
Regarding the label space of MPLS, which of the following description is wrong?

NEW QUESTION 232
As shown in the figure, there is a packet containing a three-layer label header. Please select the values corresponding to the X, Y, and Z fields in the figure (decimal)

NEW QUESTION 233
What is the meaning of the display current-configuration I include vlan command?

NEW QUESTION 234
Since BGP is an EGP routing protocol, BGP routing policies can only be deployed between EBGP neighbors. Deploying routing policies between IBGP neighbors is invalid.

NEW QUESTION 235
Which of the following reasons may cause the hosts in the same VLAN of the local area network to fail to communicate with each other? (Multiple choice)

NEW QUESTION 236
The routine collection of basic equipment information, which of the following are included? (Multiple choice)