Verified H12-831-ENU Dumps Q&As - H12-831-ENU Test Engine with Correct Answers [Q13-Q37]

Verified H12-831-ENU Dumps Q&As - H12-831-ENU Test Engine with Correct Answers

Pass Your H12-831-ENU Dumps as PDF Updated on 2023 With 420 Questions

The Huawei H12-831-ENU (HCIP-Datacom) Exam covers a wide range of topics, including data communication protocols, network architecture design, routing and switching technologies, and network security. The exam consists of multiple-choice questions and simulations that test the candidate's ability to apply their knowledge to real-world scenarios. The exam is challenging and requires a thorough understanding of Huawei's data communication technologies.

Preparing for the H12-831-ENU exam requires a solid understanding of data communication concepts and technologies. You can find study materials and resources on the Huawei website, including training courses, practice exams, and study guides. It is also recommended that you gain hands-on experience with data communication equipment and networks to reinforce your knowledge and skills. Overall, the Huawei H12-831-ENU certification exam is a valuable credential for professionals looking to advance their careers in data communication.

NEW QUESTION # 13
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)

Answer:

Explanation:

NEW QUESTION # 14
R1, R2, R3, and R4 belong to OSPF area 0, and the cost of the link is shown in the figure.

Loopback0 of R1, R2, R3, and R4 is advertised into OSPF. R1, R2, R3, and R4 use Loopback0 as the connection interface to establish an IBGP peer relationship. R1, R2, and R3 are clients of R4. The directly connected network segment 172.20.1.4/32 of R4 is advertised into BGP. Regarding the traffic trend of R1 accessing 172.20.1.4/32, which of the following analysis is correct? (Multiple choice)

A. If R3 is configured with Stub
B. The preferred route is R1-R3-R4
C. During the two processes of power failure and startup of R3, there will be packet loss
D. The preferred route is R1-R2-R4

Answer: A,B

NEW QUESTION # 15
Which of the following is the least likely cause of the dual-active failure of the VRRP backup group?

A. The link that transmits VRRP advertisement packets is faulty
B. The low-priority VRRP backup group discards the received VRRP advertisement packets as illegal packets
C. The VRRP backup group IDs on both ends are different
D. The Master device sends 1 notification message per second

Answer: D

NEW QUESTION # 16
What check items can be set by IPSG? (Multiple choice)

A. VLANID
B. MAC address
C. Outgoing interface
D. IP address

Answer: A,B,C,D

NEW QUESTION # 17
If the sticky MAC function is enabled on an interface, what is the number of MAC addresses learned by the interface by default?

A. 0
B. 1
C. 2
D. 3

Answer: D

NEW QUESTION # 18
According to this picture, what can we judge? (Multiple choice)

A. If no routing policy about AS_Path is configured, then 3002
B. If no routing policy about AS_Pash is configured, then 3002
C. R1 has 3002
D. R1 does not have 3002

Answer: B,C

NEW QUESTION # 19
Which of the following statements about IPSG is false?

A. IPSG can prevent IP address spoofing attacks
B. IPSG is a source IP address filtering technology based on Layer 3 connection
C. The IPSG can enable the IP packet inspection alarm function, and link the network management to alarm
D. IPSG can prevent the host from changing the IP address privately

Answer: B

NEW QUESTION # 20
Among the following options, which of the following descriptions is wrong?

A. LSP established by statically assigning labels can also be dynamically adjusted according to network topology changes without administrator intervention
B. The principle to be followed when manually assigning labels is: the value of the outgoing label of the upstream node is the value of the incoming label of the downstream node
C. LSP are classified into static LSP and dynamic LSP. Static LSP are manually configured by administrators, and dynamic LSP are dynamically established using label protocols.
D. Dynamic LSPs are dynamically established through label distribution protocols such as MP-BGP

Answer: A

NEW QUESTION # 21
Compared with the OSPFv2 packet header, what is the field added in the OSPFv3 packet header?

A. Instance ID
B. IPV6 Router ID
C. IPV6 Auth Type
D. Link ID

Answer: A

NEW QUESTION # 22
According to this figure, what can we know? (Multiple choice)

A. R1 does not have access to the route of 172.17.1.5
B. R1 has no problem accessing the path of 172.17.1.5
C. There is a loop when R1 accesses 172.17.1.5
D. R1 has a route to 172.17.15

Answer: C,D

NEW QUESTION # 23
esigth uses different colors to distinguish different alarm levels. Red means urgent, orange means important, yellow means minor, and blue means prompt. Which of the following statements about different alarm levels is true? (Multiple choice)

A. Urgent: Alerts that have affected the business and require immediate corrective action
B. Important: Alarms that have affected the business and will have more serious consequences if not handled in time
C. Minor: Alarms that currently have some impact on the business but require corrective action to prevent serious failures
D. Prompt: A potential or imminent business-affecting failure is detected, but currently has little business impact

Answer: A,B,C,D

NEW QUESTION # 24
Basic QinQ can choose the outer tag encapsulation method according to the business type.

A. True
B. False

Answer: B

NEW QUESTION # 25
IS-IS supports the processing and calculation of IPV6 routes by adding TLVs to carry IPV6 addresses and reachability information.

A. TRUE
B. FALSE

Answer: A

NEW QUESTION # 26
Which of the following is a description of the process of establishing an LSP using the downstream autonomous label publishing method and the ordered label control method? (Multiple choice)

A. If the outgoing node has a label available for allocation, it will allocate a label to the FEC and actively send a label mapping message to the upstream.
B. When the node LSR receives the label mapping message, it also needs to add the corresponding entry in the label forwarding table
C. The LSP establishment process actually binds the FEC and the label, and advertises the binding to the neighboring LSRs on the LSP
D. The edge node finds that a new destination address that does not belong to any existing FEC appears in its routing table, and will not create a new FEC corresponding to it.

Answer: A,B,C

NEW QUESTION # 27
As shown in the figure, the MP BGP neighbor relationship is established between PE1 and PE2 through the Loopback0: interface. After the configuration is completed, it is found that CE1 and CE2 cannot learn routes from each other. Which of the following options will cause this problem? (Multiple choice)

A. The LSP tunnel between PE1 and PE2 is not established
B. The VPN instance parameters on PE1 or PE2 are incorrectly configured
C. The routing protocol configuration between PF1 or PE2 and the respective CE is incorrect
D. PE1 or PE2 do not have neighbors enabled in the BGP-VPNv4 unicast address family view

Answer: A,B,C,D

NEW QUESTION # 28
On Monday morning, you get a call from your office desk, an employee says he can't access the internet from his PC and wants your technical support. So you tested it with the ping command on his PC, and used the tracert command to see where the packet loss occurred.
Which of the following is this network troubleshooting method?

A. Confirm the business traffic path
B. Contrastive configuration method
C. Bottom-up approach
D. Top-down approach

Answer: A

NEW QUESTION # 29
A campus has deployed IPv6 for service testing. There are 4 routers in the network, running OSPFV3 to realize the interconnection of IPv6 networks.
As shown in the figure, an engineer checked the LSDB of R2 and intercepted one of the Link-LSAs.

Which of the following statements about the description of this LSA is correct? (Multiple choice)

A. The IPv6 address 2001 of the R2 interface GE0/0/0
B. The router that generated this LSA is R2
C. The link-local address of R2 interface GE0/0/0 is: FE80
D. The LSA shows that R2 does not support external routing, but participates in IPv6 routing calculation

Answer: A,B,C

NEW QUESTION # 30
Which statement is correct about the difference between OSPFv2 and OSPFv3? (Multiple choice)

A. The protocol number of OSPFv2 in the IPv4 header is 89, and the next header number of OSPFv3 in the IPv6 header is 89
B. OSPFv2 and OSPFv3 have the same type of packets: Hello, DD, LSR, LSU, LSAack
C. Both OSPFv2 and OSPFv3 support interface authentication, and OSPFv3 authentication is still implemented based on the fields in the OSPF packet header
D. Similar to OSPFv2, OSPFv3 uses a multicast address as the destination address of OSPF packets

Answer: A,D

NEW QUESTION # 31
The three authorizations required for high-risk operations do not include:

A. Administrative Authorization
B. Customer Authorization
C. Technology Authorization
D. Administrative Authorization

Answer: A

NEW QUESTION # 32
Which of the following belong to the delivery process of dry MPLS VPN routes? (Multiple choice)

A. Route exchange between CE and PE
B. Distribution process of public network labels
C. The process of VRF route injection into MP-BGP
D. The process of injecting MP-BGP routes into VRF

Answer: A,B,C,D

NEW QUESTION # 33
A park has deployed IPv6 for service testing. There are 4 routers (R1, R2, R3 and R4) in the network, running OSPFV3 to realize the interconnection of the IPv6 network. A new router R5 needs to be connected to the network for testing. An engineer introduces a direct route in the OSPFV3 process of R4 so that devices in the campus network can access the GE0/0/1 port address of R5.

Which of the following statements about the scene is true? (Multiple choice)

A. R4 will generate a Type5 LSA and only flood in Area1
B. R2 will generate a Type4 LSA and only flood in Area 0
C. R4 will generate a Type5 LSA describing the imported IPv6 routing prefix
D. R2 will generate a Type4 LSA describing the Router ID of R4

Answer: B,C,D

NEW QUESTION # 34
By default, which of the following security MAC address types will be lost after the device restarts?

A. Black Hole MAC Address
B. Secure Dynamic MAC Address
C. Sticky MAC address
D. Secure Static MAC Address

Answer: B

NEW QUESTION # 35
ASPF (Application Specific Packet Filter) is a packet filter based on the application layer. It checks the application layer protocol information and monitors the linked application layer protocol status, and implements a special security mechanism through the Server Map table. Which of the following statement about ASPF and Server map table is wrong?

A. ASPF monitors messages during communication
B. ASPF dynamically creates and deletes filtering rules
C. The five-tuple Server-map entry implements a similar function to the session table
D. ASPF dynamically allows multi-channel protocol data to pass through the Servermap table

Answer: C

NEW QUESTION # 36
The preliminary investigation of the cutover project is mainly to communicate and coordinate with customers and other participants, and collect network information for analysis.