Huawei Certified ICT Expert H12-891_V1.0 Dumps Full Questions with Free PDF Questions to Pass
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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Exam is a certification test designed for IT professionals who want to validate their skills and knowledge in designing, implementing, and troubleshooting complex data communication networks. HCIE-Datacom V1.0 certification exam covers a wide range of topics, including network architecture, switching and routing technologies, network security, network optimization, and network management. Passing H12-891_V1.0 exam demonstrates that a candidate has a deep understanding of data communication technologies and can solve complex network problems.
NEW QUESTION # 295
In the topology shown in the figure. Running the OSPFv3 protocol over the entire network does not produce what type of LSA on R1 without external route introduction?
- A. Inter-Area-RouterLSA
- B. Intra-Area-Prefix-LSA
- C. Inter-Area-Prefix-LSA
- D. Link-LSA
Answer: A
NEW QUESTION # 296
OSPFv3 uses the same route advertisement method as OSPFv2: advertising is done through the network command in the OSPFv3 area view.
- A. TRUE
- B. False
Answer: B
NEW QUESTION # 297
Which of the following statement about isis protocol route aggregation is correct?
- A. Route aggregation can be configured and takes effect on all types of routers
- B. Route aggregation can only take effect if configured on Leve-1 port routers
- C. Route aggregation can only be configured on Leve-1-2 routers to take effect with
- D. Route aggregation can only be configured on Leve-2 routers to take effect
Answer: A
NEW QUESTION # 298
What is the wrong description of the function of OSPFv3 protocol authentication?
- A. Huawei router OSPFv3 IPSec authentication can not only support transmission mode, but also support tunnel mode
- B. OSPFv3 authentication relies on IPv6 packet authentication headers and encapsulation security net load headers
- C. OSPFv3 can only establish a security alliance SA using manual mode
- D. The OSPFv3 protocol header removes the Type and Automation fields
Answer: A
NEW QUESTION # 299
The router port to which the policy is applied has been idle for about 10 seconds, and there is a huge burst of c1 type coming in an instant, so how many bytes will the packets that are colored green?
- A. 32K bytes
- B. 80128 bytes
- C. 256K bytes
- D. 48128 bytes
Answer: A
NEW QUESTION # 300
In the city, that is, mpLS BGPVPN network, when the packet enters the public network forwarding, it will be encapsulated with two layers of MPLS tags, the following description of the two layers of tags, the error is ?
- A. MPLS BGPVPN uses two layers of tags: public labels (also known as outer labels) and private network labels (also known as inner labels).
- B. The egress PE uses the inner tag when determining which egress CE the message should be sent to.
- C. Private network tags are carried and distributed by MP-BGP when routing, and public network tags are distributed by the LDP protocol.
- D. By default, the router assigns the same tag value to all VPNv4 routes destined for the peer
Answer: D
NEW QUESTION # 301
The router is running both OSPFv3 and ISIS, and the OSPFv3 route needs to be introduced to ISIS, which of the following ingestion configurations is correct:( Multiple choice questions).
- A. Huawel ias 1 ltuawei-i- isHeveleve!. l Huave-s-1 networkenity 47001.0000020 Hawe -sis-1 ipv6enabletopolog standard Htuawer is-] pob impot.
- B. HuaweJ IsIS
[Huaweij isis 1 Huavei-isis-1]networkentity470001.000000020Huawei-sis- 1limpotroueosph31 ltuowe.is- ut tuawl sph 1 fhuwf spol Jronea d 2 [Huawei) isis 1 Huawe-sis-1] is level level-1
[Huavei-sis-1 etworkentity 47001.00000 0 Huawel-d.-1[impotroteosph-1 le e. [tuawelts a ut ltunweospfv3 1 [Huawei - C. (Huawei isis l Huawei-si-1 s-levelve!-l Huavei- ti.-1] networkentiy
4 .001.00001. Huawei sis pob enable topogy s andard Hhuawelitis ]l p6 importroute ospfv3 1 [Hu - D. [Huawei] sis 1 [Huawel-isis-1] networkentity47001.000000200 Huawe-ss 1 ipb6enable topologist standard Huawei is l p6 importroue esgp.31lese! [Huaweisis-1] quit [Huawei
Answer: A,D
NEW QUESTION # 302
What parameters can the DHCPv6 server assign to DHCPv6 clients?
- A. SNTP server address
- B. IPv6 address/prefix
- C. Gateway address
- D. DNS server address
Answer: A,B,C,D
NEW QUESTION # 303
When you deploy BGP/MPLSIPVPN, when two VPNs have a common site, the common site must not use overlapping address spaces with the other sites of the two VPNs.
- A. When an LSR is a Transit LSR, you need to configure both In Label and Out label, both in the range of
16-1023 - B. When an LSR is TransitLSR, you need to configure both ln Label and Out Label, both of which are
161023 The Out Label ranges from 16 to 1048575 - C. When an LSR is An Egyptian LSR, only in Label needs to be configured, ranging from 16-1023
- D. TRUE
- E. When an LSR is Ingress LSR, only configure Out Label, which ranges from 16-1048575
- F. FALSE ?:B
499The series description for configuring static lSPs in MPLS networks is correct?
Answer: A,F
NEW QUESTION # 304
When running OSPFv3 on a Huawei router, the OSPFv3 process automatically selects an interface address as the process router id
- A. True
- B. False
Answer: B
NEW QUESTION # 305
As shown in the topology diagram, all interfaces of the router in the figure are enabled with the ISIS protocol, and the following statement is correct.
- A. If R3's Ethernet0/0/0 interface goes down, then R2 becomes the master device
- B. If R3's G E0/0/0 interface goes down, R2 becomes the master device
- C. If the Ri's Ethernet0/0/1 interface goes down, R2 becomes the master device
- D. If the RI's Ethernet0/0/0 interface goes down, R2 becomes the master device
Answer: B,C,D
NEW QUESTION # 306
As shown in the figure, which of the following options satisfies two routers to establish an ISIS neighbor?( Single choice questions).
- A. Both routers remain of the default type.
- B. One of the two routers can be of the Level-1-2 type and the other of the Leve1-1 type.
- C. The ISIS process numbers of the two routers must be consistent.
- D. Both routers are of The Level-1 type.
Answer: A
NEW QUESTION # 307
The command to adjust the LINK cost value for the IS-IS interface is ?( Radio)
- A. ISIS circuit level
- B. lSIS circuit type
- C. ISIS timer hello
- D. ISIS cost
Answer: D
NEW QUESTION # 308
The following description of the LDPLSP establishment process is correct?
- A. The process of establishing a LSP is actually to bind the FEC to the tag and advertise this binding to the LSP upstream LSR process.
- B. When a network topology change causes the next hop neighbor to change, the free label keep method is used. LSR can quickly rebuild the LSP by directly using the labels sent by the original non-optimal next-hop neighbor. Liberal needs more memory and tag space.
- C. In the DoD mode of label publishing, for a specific FEC, the LSR does not need to obtain a label request message from upstream to distribute the label.
- D. By default, LSRs are for the same FEC, and the received tag mappings can only come from the optimal next hop, not from the non-optimal next hop.
Answer: A,B
NEW QUESTION # 309
If the PIM-SM protocol is running in a multicast network , you need to configure RP, and the configuration equation of RP is divided into dynamic RP and static RP. The following configuration description of the RP is correct (radio).
- A. When you configure Dynamic RP, you do not need to configure BSR.
- B. When configuring a static RP, you need to specify the information for the RP on all PIM routers.
- C. When you configure a static RP , you need to configure the BSR to advertise the RP information.
- D. When you configure Dynamic RP , you need to configure BSR as a backup of the RP.
Answer: B
NEW QUESTION # 310
The correct description of the scene shown in the following figure is:
- A. R1, which exists in both Level-1 and Leve-2, can ping the interface address of R2 loopback0
- B. R there is a route to R2 loopback0 100
- C. LSDB
- D. No neighbor relationship can be established between R1 and R2
Answer: B,C,D
NEW QUESTION # 311
Which of the following scenarios send free ARP messages?( Multiple choice questions).
- A. When a host connected to the switch issues a Ping message.
- B. After the VRRP protocol master and standby role election is completed
- C. When a new host configured with an IP address is connected to the network
- D. The DHCP client receives an acknowledgment message from the server after it sends it
Answer: B,C,D
NEW QUESTION # 312
If multiple candidate RPs are configured in a multicast group, which of the following parameters does the RP that elect the group from multiple candidate RPs need to be compared?
- A. C-RP interface
- B. The IP address of the C-RP interface Number of
- C. The mask length of the group range for the C-RP service that matches the group address that the user joined
- D. C-RP priority
Answer: B,C,D
NEW QUESTION # 313
S-4S supports multi-instance and multi-process, that is, on an IS-IS router, multiple VPN instances can be configured to associate with multiple IS-S processes, the following description of IS-IS multi-instance and multi-process, which are correct ?
- A. 1 VPN instances can be associated with several different IS-IS processes
- B. If an IS-IS router creates multiple IS-IS processes, each process is independent of each other
- C. 1 IS-IS processes can be associated with several different VPN instances
- D. 1 IS-IS processes can only be associated with 1 VPN instance
Answer: A,B,D
NEW QUESTION # 314
Cross-device link aggregation realizes the back-to-back transmission of data traffic and the mutual spare of the heap member switches, but due to the limited bandwidth of the heap cable between the heap devices, the forwarding efficiency can be improved in the following ways?
- A. Enable traffic to be forwarded locally first
- B. Connect the stacking device via a stacking card
- C. Enables the stacking multi-master check function
- D. Configure the stacking system MAC address switching
Answer: A
NEW QUESTION # 315
When configuring ISIS zone authentication, which ISIS message will carry the authentication letter? ( Single choice questions).
- A. ISIS ?Level-1 ?SNP ?LSP?
- B. ISIS ?Level-2 ?SNP ?LSP?
- C. Hello message of ISIS's Level-1.
- D. Hello message of ISIS's Level-2
Answer: A
NEW QUESTION # 316
As shown in the figure, the neighbor relationship between R1 and R2 has just been established, and the database synchronization process between R1 and R2 is correct.
- A. The message sent by R1 to R2 is a PSNP message
- B. R1 sends the packet of R2 as the CSNP packet. The message sent by
- C. R1 to R2 is the Hello message.
- D. R1 to R2 is an LSP packet. The message sent by
Answer: B
NEW QUESTION # 317
The HTTP protocol is based on TCP, so http Flood attacks can be defended against HTTP Flood attacks using the TCP Flood attack prevention method.
- A. True
- B. False
Answer: B
NEW QUESTION # 318
The following statement about the IS-IS protocol is incorrect?
- A. The IS-IS protocol is a link-state protocol that runs between AS
- B. Messages for the IS-IS protocol are encapsulated directly by the data link layer
- C. The IS-IS protocol supports IP network ad
- D. The IS-IS protocol supports CLNP networks
Answer: A
NEW QUESTION # 319
If we have a VPN instance configured on a router, if we need to view the VPN route on a Huawei router, which of the following commands should we use?
- A. display ip routing-table vpn-instance vpn-instance-name
- B. display ip routing-table
- C. display vpn routing-table
- D. display ip vpn-instance
Answer: A
NEW QUESTION # 320
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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) certification exam is a globally recognized certification program that validates the skills and knowledge required to design, implement, and troubleshoot complex data communication networks. HCIE-Datacom V1.0 certification exam covers a wide range of topics related to data communication, including network architecture, protocols, security, and virtualization. HCIE-Datacom V1.0 certification exam is an essential credential for professionals who want to advance in their careers in the field of data communication.
Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Exam is a certification exam designed to test individuals' knowledge and skills in data communication technologies. H12-891_V1.0 exam is intended for professionals who are seeking to advance their careers in the field of data communication and networking. HCIE-Datacom V1.0 certification is offered by Huawei Technologies Co., Ltd, a leading global provider of information and communication technology (ICT) solutions.
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