DON'T WANT TO MISS A THING?

Certification Exam Passing Tips

Latest exam news and discount info

Curated and up-to-date by our experts

Yes, send me the newsletter

Huawei h12-891 Exam Questions and Answers, Huawei HCIE-Datacom (Written) | SPOTO

SPOTO's latest exam dumps on the homepage, with a 100% pass rate! SPOTO delivers authentic Cisco CCNA, CCNP study materials, CCIE Lab solutions, PMP, CISA, CISM, AWS, and Palo Alto exam dumps. Our comprehensive study materials are meticulously aligned with the latest exam objectives. With a proven track record, we have enabled thousands of candidates worldwide to pass their IT certifications on their first attempt. Over the past 20+ years, SPOTO has successfully placed numerous IT professionals in Fortune 500 companies.
Take other online exams
Question #1
SR is a technology that forwards data packets based on source IP addresses.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #2
How do 8021w and 8021D handle BPDUs? (Confirmed) The
A. 8021D bridge only forwards BPDU packets received from the root bridgecorrect
B. The 8021D bridge does not forward BPDU messages
C. The 8021w bridge forwards only BPDU packets received from the root bridge
D. 8021w Bridge does not forward BPDU packet
View answer
Correct Answer: A
Question #3
Segment Routing (SR) is a technical architecture designed to forward data packets on a network based on the source routing paradigm. SR-MPLS, as its name suggests, is SR based on MPLS label forwarding.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #4
On a virtualized campus network, all devices in a VXLAN domain must support VXLAN.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #5
Which of the following protocols is used in Huawei SD-WAN Solution to report device performance data?
A. SNMP
B. NetFlow
C. HTTP/2correct
D. BGP
View answer
Correct Answer: C
Question #6
As shown in the figure, the host implementing the 10.0.1.0/24 network segment accesses 10.0.4.0/25 unidirectionally through virtual system a (vsysa) and virtual system b (vsysb). Which of the following commands need to be used to configure the route?
A. Configure the following command on virtual execution system b: ip router-static vpn-instance vsysb 10
B. Configure the following command on virtual system a: ip route-static 10
C. Configure the following command on virtual system a: ip route-static vpn-instance vsysa 10
D. Configure the following command on virtual execution system b: ip route-static 10
View answer
Correct Answer: C
Question #7
In 6PE and 6VPE networking, no VPN instance needs to be created on PEs.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #8
Portal authentication, also known as web authentication, is used to authenticate user identities on a web authentication page. Which of the following statements about Portal authentication is incorrect?
A. Before Portal authentication, the authentication client must obtain the IP address and be able to communicate with the Portal server
B. In most cases, Portal authentication does not require installation of dedicated client software
C. When Portal authentication is deployed on the network, clients to be authenticated must support the Portal protocol
D. Portal authentication can authenticate users based on the combination of user name, VLAN, IP address, and MAC address
View answer
Correct Answer: C
Question #9
If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?
A. PIM routers with long interface masks are elected dr
B. Compare the DR priority first; With the same priority, you need to compare the interface IP addresses of the PIM routers to elect drcorrect
C. PIM routers with small IP addresses are elected D
D. PIM routers with low
E. DR priority values are elected D
View answer
Correct Answer: B
Question #10
In the following figure, a GRE tunnel is established between R1 and R4 to transmit data from PC1 to PC2. The TTL of the packet sent from GE0/0/1 of R1 is 126. What is the TTL of the packet sent from GE0/0/3 of R3?
A. 25
B. 26
C. 27
D. 24
View answer
Correct Answer: D
Question #11
A switch joins a running stacking system after powering up, a behavior known as heap overlay.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #12
In order to reduce the number of OSPF routes in certain areas, the OSPf protocol has developed special area functions, and the following description of the characteristics of OSPF special areas is correct
A. ASBR-Sunmary-LSA is allowed to be published to the NSSA region
B. AS-External-LSA is allowed to be published to the Stub region
C. Any OSPF zone can be configured as a special zone
D. Zone can be equipped with zhiyicorrect
View answer
Correct Answer: D
Question #13
What is the default lease period of the DHCP address pool?
A. 1 month
B. 1 hour
C. 1 daycorrect
D. 1 week
View answer
Correct Answer: C
Question #14
Which of the following statements is incorrect about configuring fabric access management on iMaster NCE-Campus?
A. reate a server template and then an authentication template
B. nly one authentication mode can be specified in an authentication template
C. Master NCE-Campus can function as a RADIUS server or Portal server
D. uthentication templates need to be bound to wired and wireless access points
View answer
Correct Answer: B
Question #15
Huawei Open Programmability System (OPS) provides openness and programmability capabilities for network devices and enables users to perform secondary development. To facilitate script compilation, Huawei OPS provides the Python script template. Which of the following statements about the Python script template are correct? (Choose three.)
A. he OPSConnection class is used to invoke RESTful APIs
B. he initialization method of the OPSConnection class is def__init__(self, host, port=80)
C. sers need to search for the corresponding URI and the XML content of the HTTP packet body in the RESTful API Reference based on the managed object to be accessed, and modify the Python script template accordingly
D. he OPSConnection class has four methods: create, delete, set, and get, which encapsulate the PUT, DELETE, POST and GET methods of HTTP
View answer
Correct Answer: ABC
Question #16
When troubleshooting the BGP neighbor relationship, the network administrator finds that two directly connected devices use the Loopack port to establish a connection, so run display current-configuration configuration bgp to check the configuration of peer ebgp-mat-h ??p h p-c tnt. Which of the following descriptions about the command is correct?
A. h p-c unt must be greater than 15
B. h p-c unt must be greater than 255
C. h p-c unt must be greater than 12
D. h p-c unt must be greater than 1correct
View answer
Correct Answer: D
Question #17
In order to speed up the sensing speed of link failure in IS-IS network, IS-IS can be linked with BFD.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #18
The correct statement about the IGMP proxy is ? Multi-select
A. AThe downstream interface of the IGMP proxy device generates multicast relay table items
B. BIGMP proxy can detect the link status with the linkage through the information of the member host joining/leaving the multicast group, and realize the rapid switching of the primary and standby device links
C. CIGMP proxy is typically deployed on devices between hosts that are members of the access deviceThe
D. DIGMP proxy device cannot send query messages to downstream member hosts in place of the IGMP queryer to maintain group membership
View answer
Correct Answer: ABC
Question #19
The BSR/RP mechanism described below describes the correct determination? (Multiple choice questions). There can be multiple C-BSRs in the
A. PIM-SM domain, but only one BSR can be elected
B. BSR collects C-RP information by receiving packets of C-RPcorrect
C. BSR advertises BSR and C-RP information to all routers in the PIM-SM domain via flood bootstrap messagescorrect
D. A C-BSR can also collect C-RP information by receiving C-RP packets
View answer
Correct Answer: ABC
Question #20
How do 8021w and 8021D handle BPDUs? (Confirmed). The
A. 8021D bridge only forwards BPDU packets received from the root bridgecorrect
B. The 8021D bridge does not forward BPDU messages
C. The 8021w bridge forwards only BPDU packets received from the root bridge
D. 8021w Bridge does not forward BPDU packet
View answer
Correct Answer: A
Question #21
An SRLB is a set of user-speci?ed local labels reserved for SR-MPLS. These labels are locally con?gured and have only local signi?cance. Therefore, they are not advertised through the IGP
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #22
The BSR/RP mechanism described below describes the correct determination? (Multiple choice questions). There can be multiple C-BSRs in the
A. PIM-SM domain, but only one BSR can be elected
B. BSR collects C-RP information by receiving packets of C-RPcorrect
C. BSR advertises BSR and C-RP information to all routers in the PIM-SM domain via flood bootstrap messagescorrect
D. A C-BSR can also collect C-RP information by receiving C-RP packets
View answer
Correct Answer: ABC
Question #23
When aclient invokes the iMaster NCE-Campus RESTful API, it sends anHTTP request. The server then returns thestatus code 401. Which of the following errors has occurred?
A. The service is unavailable
B. Access denied
C. The requested resource does not exist
D. Unauthorized
View answer
Correct Answer: D
Question #24
Which of the following descriptions of MPLS label space is wrong?
A. When the penultimate hop LSR performs label exchange, if it is found that the exchanged label value is 3, the label will be popped up by default and the packet will be sent to the last hop
B. 16~1023 is the label space shared by static LSP and static CR-LSP
C. If the outgoing label value is 0, the router will directly discard the packet
D. Above 1024 is the label space shared by dynamic signaling protocols such as LDP, RSVP-TE, MP-BGP and so on
View answer
Correct Answer: C
Question #25
If the Option field value in the 0SPFv3 Hello message issued by the router's GIgabit Ethermet0/0 interface is 0x000013, the following description is correct
A. The Gigabit/thernetO/0/0 interface of Router A adds IPv6 routing to computecorrect
B. Router A's Gigabit/thernetO/0/0 interface belongs to the NSSA zone
C. Router A supports AS-An External-LSA floodcorrect
D. Router A is an OSPFv3 device with forwarding capabilitycorrect
View answer
Correct Answer: ACD
Question #26
As shown in the figure, as shown, as the AS10 has two paths to access THEA1, the optimal route passed from the 4S23 by default is now sprinkled with S00 to ass4O The odds belt wins even more worrying. Therefore, in the R2 configuration as follows, after the completion of the coordination, it is found that the most worrying route has not changed, and some operations can be adjusted to make the configuration ??[ R2]jpas-path-fiter l permit "4D0& [2]pouteplicy med permit node 10[R2-routepolicyli- match aspath-
A. Configure compare-di fferent-as-med under the BGP process for R2
B. Configure destiny-med under the BGP process for R1
C. Configure compare-di fferent-as-med under the BGP process of Rl
D. Configure the targeted-med under the BGP process for R2
View answer
Correct Answer: BC
Question #27
If the configuration of IS-IS can be found through the display current-configuration command, but the configuration of IS-IS cannot be found through the display saved-configuration command, which of the following is the possible reason?
A. The running IS-IS configuration in the memory is not saved to Flashcorrect
B. No IS-IS command entered
C. Flash running IS-IS configuration, not saved to memory
D. The running IS-IS configuration in memory has been saved to Flash
View answer
Correct Answer: A
Question #28
The following statement about the NSSA area is correct (multiple choice).
A. In the NSSA area where the OSPF neighbor sends hello packets, the N position 0, E within the option field Position 1
B. The NSSA zone must automatically generate a default LSA to access the external network
C. The NSSA zone generates a Category VII LSA to advertise external routing, and the FA address in the Category VII LSA acts to prevent loops
D. In the OSPF neighbor in the NSSA region sends hello packets, position 1 within the option field, position Ecorrect
View answer
Correct Answer: D
Question #29
The following description of the characteristics of multi-instance CE is?
A. Since the MCE device is already bound to the VPN, there is no need to bind the VPN on the PE connected to the MCE devicecorrect
B. The MCE device can determine the source of the routing information according to the interface that receives the routing information, and maintain it in the route forwarding table of the corresponding V
C. MCE is implemented by creating their own routing forwarding tables for different VPNs on the MCE device and binding to the corresponding interface o
D. Configuring MCE enables a CE to connect to multiple VPNs at the same time, which cannot only completely isolate the service between different VPN users, but also reduce the input cost of network equipment
View answer
Correct Answer: A
Question #30
The major routing policy tools available to BGP include the ?lter-policy and route-policy. The ?lter-policy can only be used to ?lter routes, and the route-policy can only be used to modify routes.
A. True
B. Falsecorrect
View answer
Correct Answer: B

View Answers after Submission

Please submit your email and WhatsApp to get the answers of questions.

Note: Please make sure your email ID and Whatsapp are valid so that you can get the correct exam results.

Email:
Whatsapp/phone number:


Copyright © 2024. Designer by SPOTO Official Website. All Rights Reserved.