[Jan-2024] Huawei H12-831-ENU Dumps – Reduce Your Chance of Failure in H12-831-ENU Exam
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NEW QUESTION # 183
Which of the following descriptions about the LDP Sessioni establishment process is correct? (Multiple choice)
- A. The active party will send an Advertisement Message to negotiate relevant parameters for establishing an LDP session, including the LDP protocol version, label distribution method, Keepalive retention timer value, maximum PDU length, and label space.
- B. Two LSRs send Hello messages to each other. The Hello message carries the transport address, and the party with the larger transport address acts as the active party and initiates the establishment of a TCP connection.
- C. If the passive party can accept the relevant parameters, it will send an InitializationMessage and a Keepalive message to the active party.
- D. If the Hello Messager does not carry the Transport Address
Answer: B,C,D
NEW QUESTION # 184
Which of the following statements about ASPF and Servermap is true? (Multiple choice)
- A. The Servermap table uses a five-tuple to represent a conversation
- B. ASPF determines whether packets pass through the firewall by dynamically generating ACLs
- C. ASPF checks application layer protocol information and monitors the application layer protocol status of the connection
- D. Configure NAT Server to generate static Server-map
Answer: C,D
NEW QUESTION # 185
The IS-IS neighbor relationship between R3 and R1 is not established. According to the information in this figure, what is the possible reason?
- A. The IS-Levels of R3 and R1 do not match
- B. The IIH authentication of R3 and R1 failed
- C. The System IDs of R3 and R1 are duplicated
- D. The area numbers of R3 and R1 are different
Answer: C
NEW QUESTION # 186
To ensure security, authentication can be configured in the OSPFv3 process area view.
- A. True
- B. False
Answer: A
NEW QUESTION # 187
According to this figure, what can we know? (Multiple choice)
- A. R1 has a route to 172.17.15
- B. R1 does not have access to the route of 172.17.1.5
- C. R1 has no problem accessing the path of 172.17.1.5
- D. There is a loop when R1 accesses 172.17.1.5
Answer: A,D
NEW QUESTION # 188
What is the value of the linkage between OSPF and BFD?
- A. Any change in BFD state will not affect OSPF neighbor state
- B. The sending interval of BFD packets can reach the millisecond level, which is slower than OSPF sensing link status
- C. The hello sending interval of OSPF is in seconds, which is faster than BFD sensing link status
- D. BFD detected at the millisecond level
Answer: D
NEW QUESTION # 189
Through the VLAN aggregation technology, one Sub-VLAN can correspond to multiple broadcast domains, which improves the flexibility of addressing.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 190
Which of the following are static information coke analysis? (Multiple choice)
- A. License
- B. Device Type
- C. <br class=\markdown_return\>Interface type
- D. Packet Loss Rate
Answer: A,B,C
NEW QUESTION # 191
When encountering network failures, engineers often use hierarchical fault handling because all models follow the same basic premise, and when all of a model's lower-level structures are working properly, its higher-level structures will work as expected. Please match the following check items to the corresponding levels according to the hierarchical method.
Answer:
Explanation:
NEW QUESTION # 192
BFD (Bidirectional Forwarding Detection) technology is a fast detection technology, but it is more complicated and requires special manufacturer equipment support.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 193
Which of the following descriptions about BGP/MPLS IPVPN data forwarding is wrong?
- A. The data sent by PE to CE is IPv4 packet
- B. The outer label of data forwarding can be assigned by LDP
- C. The inner label of data forwarding is allocated by MP-BGP
- D. When data is transmitted in the BCP/MPLS IP VPN backbone network, it always carries two layers of labels
Answer: D
NEW QUESTION # 194
The information collection before the cutover can be used to judge whether the services before and after the cutover are normal.
- A. True
- B. False
Answer: A
NEW QUESTION # 195
According to this picture, we can judge:
- A. R1 only has link status information of level1-2
- B. The system ID of R1 is ee8c.a0c2.baf1
- C. In the leve1-2 network, there are a total of 8 routers
- D. R1 has both level1-1 and level-1-2 dimension information
Answer: B
NEW QUESTION # 196
EGP authentication can prevent illegal routers from establishing neighbors with BGP routers. BGP authentication can be divided into MD5 authentication and Keychain authentication. Which of the following BGP packets will carry BGP Keychain authentication information? (Multiple choice)
- A. Notication
- B. Update
- C. Open
- D. Keepalive
Answer: A,B,C,D
NEW QUESTION # 197
High-risk operations refer to all operations that may affect the stable operation of equipment, the normal operation of customer services, or the normal monitoring of network management.
- A. True
- B. False
Answer: A
NEW QUESTION # 198
During the daily troubleshooting process, engineers may need to view some alarm information of the device. Run the terminal ( ) command to enable the terminal to display the debugging/log/alarm information function sent by the information center. (Please use English lowercase letters to complete the command, and the command cannot be abbreviated)
- A. monitor
Answer: A
NEW QUESTION # 199
As shown below:
- A. The IIH authentication of R3 and R1 failed
- B. The IS-Leve1 of R3 and R1 do not match
- C. The System IDs of R3 and R1 are duplicated
- D. The area numbers of R3 and R1 are different
Answer: C
NEW QUESTION # 200
As shown in the figure, MPLS/BGP IPVPN is deployed in the network, and the MP-BGP neighbor relationship is established between PE1 and PE2 through the Loopback0 interface. After the configuration is complete, it is found that CE1 and CE2 cannot learn routes from each other. Use the command on PE2 Looking at the neighbor information as shown, what is the most likely cause of the problem?
- A. PE1 and PE2 do not have bell neighbors enabled in the BGP-VPN4 unicast address family view
- B. The LSP tunnel between PE1 and PE2 is not established
- C. Misconfiguration of routing protocols between PE1 or PE2 and their respective CEs
- D. The VPN instance parameters on PE1 or PE2 are incorrectly configured
Answer: A
NEW QUESTION # 201
Bandwidth determines the rate of data transmission, and the maximum bandwidth of transmission is determined by the minimum link bandwidth on the transmission path.
- A. True
- B. False
Answer: A
NEW QUESTION # 202
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?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 203
Which of the following statements is true about BGP4+? (Multiple choice)
- A. BGP4+ carries the next hop address of the route through the Network Address of Next Hop in the MP_REACH_NLRI attribute
- B. The NEXT_HOP attribute does not exist in BGP4+
- C. BGP4+ carries the next hop address of IPv6 routes through the NEXT_HOP attribute
- D. BGP4+ carries the prefix and mask length of IPv6 routes through the NLRI attribute
Answer: A,D
NEW QUESTION # 204
In an operator's MPLS VPN network, there are two devices PE1 and PE2 for MPLSVPN data forwarding. PE1 receives a private network route of 172.16.1.0/24 from the client, and converts it to a VPNv4 route and distributes it on PE1 Released to PE2 with the label 1027. The outgoing label of the MPLS LSR-ID from PE2 to PE1 is 1025.
When a client on PE2 accesses 172.16.1.0/24, the frame sent by PE2, the inner and outer labels should be the combination of which of the following?
- A. Outer label, 1025: Inner label: 1025
- B. Outer label: 1025: Inner label: 1027
- C. Outer label: 1027: Inner label: 1025
- D. Outer label: 1027: Inner label: 1027
Answer: B
NEW QUESTION # 205
Which of the following is not a preliminary preparation for the cutover plan?
- A. Field Defence
- B. Existing network root description
- C. Cutover target
- D. Risk Assessment
Answer: A
NEW QUESTION # 206
Which of the following tools cannot be used to match BGP routing entries?
- A. Community Filter
- B. Advanced ACL
- C. Basic ACL
- D. IP Prefix List
Answer: B
NEW QUESTION # 207
MPLS has always been slower than IP forwarding.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 208
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