Updated Free Huawei H12-831-ENU Test Engine Questions with 420 Q&As
The Best HCIP-Datacom H12-831-ENU Professional Exam Questions
Huawei H12-831-ENU exam is an intermediate-level certification exam that focuses on data communication technologies. H12-831-ENU exam covers a wide range of topics, including basic network concepts, LAN switching technologies, WAN technologies, IP routing technologies, network security, and network management. Candidates who pass the exam will be able to design, deploy, and troubleshoot complex data communication networks.
NEW QUESTION # 142
Which of the following description of the Confirm Failure phase in the Structured Network Troubleshooting Process is correct?
- A. The impact should be minimized and others should not know that the network is down.
- B. Should confirm whether the non-disabled work is within the scope of their responsibility.
- C. Should pay attention to how to better solve the fault regardless of whether the fault belongs to its own responsibility.
- D. Attention should be paid to the opinions of users, and faults should be judged based on the judgment of users.
Answer: B
NEW QUESTION # 143
As shown in the figure, Client1, Client2, and client3 act as clients of RR1 at the same time, and R1 introduces 10 routes.
Assuming that the BGP configuration is correct and all neighbor relationships have been established, how many routing entries exist in the BGP routing table of Client3?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 144
What information can be used for complex traffic classification in packets? (Multiple choice)
- A. Source and destination address information
- B. Source and destination MAC address information
- C. Packet length of the message
- D. Protocol Type
Answer: A,B,D
NEW QUESTION # 145
Cutover rollback refers to rolling back the current changes to the state before execution.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 146
A campus deploys OSPF to achieve network interoperability. An engineer configures R2 as shown in the figure. Which of the following description of LSAs in the OSPF network is wrong?
[R2] acl 2000
[R2-acl-basic-2000] rule deny
[R2-acl-basic-2000] quit
#
[R2] ospf
[R2-ospf-1] area 1
[R2-ospf-1-area-0.0.0.1] filter 2000 import
[R2-ospf-1-area-0.0.0.1] quit
[R2-ospf-1] default-route-advertise always
- A. There is Type5 LSA flooding in Area2
- B. There is no Type3 LSA flooding in Area1
- C. There is no Type3 LSA flooding in Area2
- D. There is Type5 LSA flooding in Area1
Answer: B
NEW QUESTION # 147
OSFFv2 is an IGP running on an IPv4 network, and OSPFV3 is an IGP running on an IPv6 network. Compared with OSPFv2, OSPFv3 has a similar LSA type, but has slightly different functions. Which of the following is not included in the LSA type of OSPFv3?
- A. ASBR-Summary-LSA
- B. Router-LSA
- C. Network-LSA
- D. AS-External-LSA
Answer: A
NEW QUESTION # 148
According to this picture, we can judge:
- A. R1 only has link status information of level1-2
- B. In the leve1-2 network, there are a total of 8 routers
- C. The system ID of R1 is ee8c.a0c2.baf1
- D. R1 has both level1-1 and level-1-2 dimension information
Answer: C
NEW QUESTION # 149
Which of the description of business priority in DSCP is correct?
- A. CS has the highest priority
- B. AF11 has higher priority than AF4
- C. AF11 has a higher packet loss rate than AF12
- D. AF has higher priority than EF
Answer: A
NEW QUESTION # 150
As shown in the figure, OSPF is enabled on all interfaces of the router. Which of the following statements is correct?
- A. The Type5 LSA generated by R2 in area 0 contains the routing information of 10.0.2.2/32
- B. The Type2 LSA generated by R2 in area 0 contains the routing information of 10.0.2.2/24
- C. The Type3 LSA generated by R2 in area 0 contains the routing information of 10.0.2.2/32
- D. The Type1 LSA generated by R2 in area 0 contains the routing information of 10.0.2.2/32
Answer: D
NEW QUESTION # 151
Which of the following statements is false when troubleshooting the dual-active failure of the VRRP backup group?
- A. Need to check whether the VRRP group IDs on the interface are the same
- B. There is no need to check whether the switch port that transmits VRRP advertisement packets is in the same VLAN
- C. Need to check whether the interface IP address is in the same network segment
- D. Need to check whether the virtual IP addresses of the VRRP group are the same
Answer: B
NEW QUESTION # 152
Regarding the site in the BGP/MPLS IP VPN network architecture. Which of the following descriptions is correct?
- A. The two networks that are geographically separated must belong to different sites
- B. A site is a group of IP systems, and a network composed of a host cannot be called a site
- C. Under no circumstances can different sites belonging to the same VPN use overlapping address spaces
- D. Terminals connected to the operator's network through the same C may belong to different sites (MCE)
Answer: D
NEW QUESTION # 153
Which of the following aspects should be considered in the cutover risk assessment? (Multiple choice)
- A. Loss from risk
- B. Location of key risk points
- C. Scope of Risk Impact
- D. Timing of Risk Impact
Answer: A,B,C,D
NEW QUESTION # 154
To speed up the detection of link failures in IS-IS networks, you can associate IS-IS with BFD.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 155
If no security policy is configured between firewall domains, or when searching for a security policy. If all security policies are not matched, the default interzone packet filtering action is executed by default is?
- A. Only allowed to pass some part
- B. Different default actions should be different
- C. Escalate to the administrator
- D. Refuse to pass
Answer: D
NEW QUESTION # 156
As shown in the figure, a campus has deployed IPv6 for service testing, and there are 4 routers in the network.
Run OSPFV3 to realize network interconnection.
Which of the following statements is false about the LSA generated by this OSPFv3 network?
- A. As an ABR, R2 will generate an Inter-Area-Prefix-LSA describing the IPv6 address prefix of Area1, and advertise it to R1 and R3
- B. R1 will receive 2 Link-LSAs generated by R2
- C. R1 will generate the Router-LSA by itself to describe the device connection information, and it will also receive the Router-LSA generated by R2 and R3.
- D. There are Network LSAs generated by R3 in the LSDB of R1
Answer: B
NEW QUESTION # 157
Regarding multi-instance MCE (Mlulti-VPN-Instance CE, MCE), which of the following descriptions is wrong?
- A. There must be multiple physical links between MCE and PE to achieve isolation between different VPIN instances
- B. Devices with MCE function can access multiple VPN instances in BGP MPLS IP VPN applications, reducing the investment in user network equipment
- C. On the MCE device, you need to create their own routing and forwarding tables for different VPNs and bind them to the correct interface
- D. Users who are connected to the same MCE but do not belong to a VPN instance cannot access each other
Answer: A
NEW QUESTION # 158
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 # 159
When the network administrator tried to access the internal network device through Telnet, it was found that it could not be accessed. Which of the following is not the likely cause?
- A. The route is unreachable, and the client and server cannot establish a TCP connection
- B. The number of users logged into the device has reached the upper limit
- C. The protocol inbound all is configured on the VTY user interface
- D. ACL is bound in the VTY user interface
Answer: C
NEW QUESTION # 160
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The HCIP-Datacom certification exam is suitable for network engineers, network administrators, and network technicians who are responsible for designing, implementing, and maintaining data communication networks. It is also ideal for professionals who want to specialize in data communication and networking and want to enhance their skills and knowledge in this area.
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