H12-831-ENUの無料問題集（420題）、H12-831-ENU認定試験参考書

Huawei H12-831-ENU 問題集

試験コード：H12-831-ENU

試験名称：HCIP-Datacom

最近更新時間：2024-12-15

問題と解答：全420問

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質問 1：
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. During the two processes of power failure and startup of R3, there will be packet loss
C. The preferred route is R1-R2-R4
D. The preferred route is R1-R3-R4
正解：A,D

質問 2：
What are the advantages of PQ+WFQ? (Multiple choice)
A. Realize the needs of flexible classification of packets according to user definition
B. Implement bandwidth allocation by weight
C. Messages with different priorities cannot be treated differently
D. It can ensure the timely scheduling of low-latency services
正解：B,D

質問 3：
When configuring the DHCP Relay function on the device, the VLANIF interface of the relay connected to the client must be bound to a DHCP server group, and the bound DHCP server group must be configured with the IP address of the DHCP server to be proxied.
A. FALSE
B. TRUE
正解：B

質問 4：
Which statement is correct about this configuration? (Multiple choice)
[Quidway]dhcp enable[Quidway]interface vlanif 10[Quidway-Vlanif10]ip addres 10.1.1.1255.255255.128[Quidway-Vlanif10]dhcp select gloal[Quidway-Vlanif10]quit[Quidway]dhcp server ping packets 10
A. The maximum number of ping packets received by the DHCP server is 10
B. This command is used to configure and enable DHCP service
C. This command is to configure the clients under the VLANIF10 interface to obtain IP addresses from the global support
D. The interface address pool has priority over the global address allocation. That is, if there is an interface address pool on the interface, even if the global address pool also exists, the client will give priority to obtaining addresses from the interface address pool.
E. The maximum number of ping packets sent by the DHCP server is 10
正解：B,C,D,E

質問 5：
The DHCP protocol can assign some TCP/IP-related parameter information to the client. In this process, DHCP defines a variety of messages. The encapsulation of these messages is?
A. PPP encapsulation
B. TCP encapsulation
C. IP Packaging
D. UDP Fashion
正解：D

質問 6：
After a fault occurs, you need to collect and back up various types of fault information in time as a reference for troubleshooting. In addition, when you seek emergency help from Huawei Technologies Co., Ltd., you need to provide fault information to Huawei Technologies Co., Ltd. technical support personnel so that they can locate and troubleshoot the fault.
A. False
B. True
正解：B

質問 7：
Which of the following commands is used to configure VRRP preemption delay?
A. vrrp vrid 1 timer delay 20
B. vrrp vrid 1 preempt-timer20
C. vrrp vrid 1 preempt-delay20
D. vrrp vrid 1 preempt-mode timer delay 20
正解：D

質問 8：
When a large number of IP phones and WLAN APs need to be accessed in the network, which type of switch is generally considered?
A. Switch with QoS function
B. Switch with STP edge port capability
C. Switches with POE function
D. Switches with SACG function
正解：C

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Huawei HCIP-Datacom 認定 H12-831-ENU 試験問題:

1. An engineer uses two routers to test IPV6 services, and simulates the interconnection between the headquarters and branches by running BGP4+.

The logical topology of the network is shown in the figure. Regarding the transmission of IPv6 routes between the two-way devices, which of the following statements is false?

A) If the Update packet carries the AP REACH NLRI attribute, it means that the advertisement is a reachable route
B) When routing is delivered, the Next Hop attribute must be an IPv6 global unicast address
C) Route transmission will carry recognized mandatory attributes such as AS Path
D) BGP4+ transmits routing information between peers through Update packets

2. 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)

A) R1

3. Suppose there are four flows a.b.c.d of 50M respectively, the total port bandwidth is 100M, traffic congestion occurs, and congestion management is performed on them. Among them, traffic a belongs to PQ queue scheduling, traffic b.c.d belongs to WFQ queue scheduling, and the weight ratio is 1:2:2. Which descriptions are wrong about the scheduling results for the four types of traffic? (Multiple choice)

A) The flow b passes through 25M, and the flow c and d pass through 12.5M respectively
B) Flow b passes through 10M, flow c and d pass through 20M respectively
C) Traffic a through 50M
D) Traffic a through 100M

4. Which statement is correct about the difference between OSPFv2 and OSPFv3? (Multiple choice)

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

5. Network administrator A wants to use ACL to match specific routing entries. Which of the following routing entries will be matched by the ACL rules in the figure? (Multiple choice)
acl number 2000
rule 10 permit source 10.0.0.0 0.0.6.0

A) 10.0.2.0/24
B) 10.0.0.0/24
C) 10.0.0.1/32
D) 10.0.1.0/24

質問と回答：

質問 # 1
正解： B

質問 # 2
正解： A

質問 # 3
正解： A、D

質問 # 4
正解： B、C

質問 # 5
正解： A、B