Pass H12-891_V1.0-ENU Exam with Updated H12-891_V1.0-ENU Exam Dumps PDF 2023
H12-891_V1.0-ENU Exam Dumps - Free Demo & 365 Day Updates
Huawei H12-891_V1.0-ENU exam is a challenging exam that covers a wide range of topics related to data communication. H12-891_V1.0-ENU exam is designed to test the knowledge and skills of candidates in various areas such as network architecture, network security, network virtualization, and network management. H12-891_V1.0-ENU exam also evaluates the ability of the candidates to design, implement, and troubleshoot complex data communication networks.
Huawei H12-891_V1.0-ENU (HCIE-Datacom V1.0) Certification Exam is a highly sought-after certification for IT professionals who specialize in data communication. It is designed to validate the knowledge and skills of candidates in advanced technologies related to data communication, including network design, deployment, and troubleshooting.
NEW QUESTION # 345
As shown in the figure, a company wants to achieve secure mutual access between the head office and branches through MPLSVPN, and at the same time requires that the IPN traffic of the branch bank must be forwarded through the head office to achieve traffic monitoring
- A. An MP-IBGP peer relationship is established between Spoke-PE and THE VPN routing information is exchanged.
- B. Between Hub-CE and Hub-PE, and between Spoke-PE and Plan-CE, routing information can be exchanged using the OSPF protocol
- C. VPN routing information can be exchanged between CE and PE using BGP messages
- D. When Hub-CE passes routing information with Hub-PE, you need to configure a route on Hub-PE that allows receiving AS numbers to be repeated 1 time to receive routes published by Hub-CE
Answer: A
NEW QUESTION # 346
As shown in the following topology, EBGP is running between ASI0O0, AS.203, AS.30, AS8400, and the neighbor relationship has been established as RECEIVed by AS4O0 When AS1OO issues a 1..11/2 CIDR segment BGP route, the path order recorded in the ASPath attribute is correct
- A. 100,200,300,400
- B. 10,200,3
- C. 400,300,200,100
- D. 300,200,100
Answer: D
NEW QUESTION # 347
The following statement about IPSec VPN is correct
- A. Two routers establish an IPSec VPN in brutal mode, so that the tunnel is built with a minimum of 4 messages interacting between the two devices.
- B. Brutal mode can support NAT traversal, while main mode does not support NAT traversal.
- C. The two routers can establish an OSPF neighbor relationship through the IPSec VPN (19) channel and exchange intranet devices by
- D. The two routers establish IPSecVPN in main mode, and from the 5th message (included), the payload's data is often encrypted.
Answer: C,D
NEW QUESTION # 348
CMPv6 uses the Type field to identify the message type, and according to the value of the type field, we can divide the ICMPv6 message into two categories, one is the error message and the other is the information message
- A. True
- B. False
Answer: A
NEW QUESTION # 349
Among the routing policy tools commonly used by BGP, which ones can be used to filter routes?
- A. filter-policy
- B. Route-policy
- C. Traffic-policy
- D. lp extecommunity-filter
Answer: A,B,D
NEW QUESTION # 350
The following is the correct description of the aggregation of BGP? (Single Choice Questions).
- A. You can manually aggregate the routes in the BGP local routing table with a profile
- B. By default, BGP enables automatic aggregation
- C. After you configure aggregate ipv4-address mask, only aggregate routes are published, not detail routes.
- D. For IPv6 routing, BGP supports manual coalescing and automatic aggregation
Answer: A
NEW QUESTION # 351
The router connects two EBGP neighbors through two parallel Serial cables, what do you do to achieve bidirectional negative sharing between two EBGP neighbors connected by these two parallel Serial cables? (Single choice questions).
- A. Without any method, BGP automatically implements load sharing of traffic across different autonomous systems on the available links
- B. Use the command "ebgp-load-balance" at both ends
- C. To configure an EBGP neighbor relationship with the Loopback interface as the update source, the IGP in each AS needs to introduce two equivalent paths to the EBGP neighbor loopback address; And the commands "ebgp maxhop" and "next-hop-local" are used
- D. Configure the EBGP neighbor relationship with the Loopback interface as the update source, and the IGP in each AS needs to introduce two equivalent paths to the loopback address of the EBGP neighbor; And you need to use the command "next-hop?local"
- E. Use the Loopback interface to establish an EBGP neighbor relationship, configure EBGP Muti-hop, configure the Loopback interface as the update source, and then use IGP to implement Equivalent path load sharing between Loopback addresses
Answer: E
NEW QUESTION # 352
As shown in the following figure, a part of the LSDB LSDB of a router LSDB is shown in the first one in the following figure. A new LSP has been received, the second one in the figure below, and the following statement is incorrect (single choice).
- A. this router will put the newly received LSP into the LSDB
- B. If it is a point-to-point network, the router will send PSNP
- C. In the case of a broadcast network, DIS will include summary information for this LSP in the next CSNP message.
- D. This router ignores LSPs received from neighbors
Answer: D
NEW QUESTION # 353
What is the exact description of the SSM features?
- A. SSM he wishes to join is an extension of the DVMP protocol. to efficiently transmit one-to-many communication traffic
- B. Using SSM, the receiver can use INCLUDE in IGMPv3 to indicate that the source
- C. Routing multicast traffic in the SSM is done by relying on the number of sources, and the RP is used for the receiver to answer the corresponding number of sources
- D. SSM requires MSDP to discover active sources in other PIM domains
Answer: B
NEW QUESTION # 354
A campus deploys OSPF to achieve network interoperability, and an engineer configures R2 as shown in the figure, then the following description of the LSA in the OSPF network is wrong
- A. There is Type5 LSA flooding within Areal
- B. There is no Type3 LsA flooding within Areal
- C. Area2 contains Type5 LSA generic adverb
- D. There is no Type3 LSA flooding in Area2
Answer: B
NEW QUESTION # 355
A bookstore provides a wired network for customers to learn online. However, one day, it was found that some users could not access the network, and after inspection, it was found that the IP resources of the DHCP address pool had been exhausted.
Which of the following is the best way to solve the problem of the moment? (Single choice questions).
- A. Configure the static ARP binding table
- B. Limits the maximum number of DHCP Snooping binding table entries that the interface allows to learn
- C. Configuration DAI
- D. Configure the IPSG
Answer: B
NEW QUESTION # 356
Command IP as-path-filter1 permit^12,*74$ can match to which AS_PSTH?
- A. AS_PATH(125 328 74 23)
- B. AS_PATH(321122374)
- C. AS PATH Q236217? 2374)
- D. AS_PATH(32127423)
Answer: C
NEW QUESTION # 357
Regarding IPv6 over IP4(19) road, the following statement is correct
- A. All automatic tunnels encapsulate data in the same way.
- B. Automatic tunneling has great advantages over manual tunneling, and manual tunneling will be phased out
- C. The ISATAP tunnel determines the destination IPV4 address of the tunnel based on the destination IP6 address.
- D. When configuring manual tunneling on the VRP platform, a Tunnel interface is generally created; When configuring automatic tunneling, a Vrua-Template interface is usually created
- E. The 6to4 automatic tunnel requires the use of a specific IP6 address segment, and the assigned address segment is preceded by 3ffe::/16
Answer: A,C
NEW QUESTION # 358
The switch can suppress traffic by suppressing traffic and extremely other failures can affect operations, which of the following traffic suppression configurations is the wrong configuration
- A. Quidway inteface gigabiethenet ou0/1 [Quidway-GigabtEthernet/0/1], broadcast-suppression 80 IQuidway-GigabitEthernet//1]Jqut
- B. [Quidway] icmp rate-limit enable [Quidway] icmp rate-limit total threshold 20
- C. [Quidway] wan 10 [Quidway-wan10] multicast-suppression 1000 [Quidway-van10] quit
- D. [Quidway ] wan 10 [Quidway-wani0] broadcast-suppression 1000 [Quidway-van10] quit
- E. [Qudway ineface gigabtethemnet /0'1 [Quidway-GigabitEfthemetO0/O/1] multicast-suppression 80TQuidway-GigabitEthernet0/0/1]quit
Answer: C
NEW QUESTION # 359
When a Layer 3 switch sends IP packets originating from one VLAN to another LAN, which field in the following options is overridden? (Single choice questions).
- A. Layer 3 Transport Protocol
- B. Two-tier TTL
- C. Three layers of TTL
- D. Layer 3 source address
- E. Layer 3 destination address
Answer: C
NEW QUESTION # 360
The network administrator defines a traffic policing policy as follows:
- A. 256K bytes
- B. 32K bytes
- C. 80128 bytes
- D. 48128 bytes
Answer: B
NEW QUESTION # 361
As shown in the following figure, R1 and R2 establish a neighbor relationship with LeveL2, and the key configuration is as follows, so is the following route entry for R2 correct?
- A. 2022::/64 Routers appear in the IP routing table
- B. 0::/64. The router will appear in the IP routing table
- C. 2021::/64 Routers appear in the IP routing table
- D. 2019::/64 Routers appear in the IP routing table
Answer: A,B,D
NEW QUESTION # 362
CORRECT TEXT
Regarding the tag space for MPLS, the description is incorrect
- A. the tag is popped up by default and the message is sent to the last hop
- B. Above 1024 is the tag space shared by dynamic signaling protocols such as LDP, RSVP-TE, MP-BGP, etc
- C. 16-1023 is a label control shared by static LSPs and static CR-LSPs
- D. When the penultimate hop LSR performs a label swap, if the swapped tag value is found to be
Answer: A
NEW QUESTION # 363
The following description of 8021S deployment characteristics is correct? (Multiple choice question)
- A. Multiple VLANs share a spanning tree instance
- B. Each VLAN has one spanning tree instance
- C. Multiple bridges share a spanning tree instance
- D. All VLANs share a spanning tree instance
Answer: A
NEW QUESTION # 364
Both the CSNP packet of ISlS and the DD packet of OSPF have a role in the MA network, describing the role of the link state database summary, which is correct compared to the following statements of these two types of messages
- A. Both packets need to be confirmed to the terminal router after being sent, otherwise they need to be retransmitted
- B. OSPF is not identity bound to dr/BDR; the CSN message is generated only by DIS
- C. Once the adjacency relationship is established, the CSRP packet and the D message will stop sending
- D. The two packets do not need to be confirmed to the router after they are sent the master-slave relationship in the DD message interaction of
Answer: B
NEW QUESTION # 365
What are the differences between traffic policing and traffic shaping?
- A. For traffic shaping, it can be over-CIR Traffic adjustment for the usage of the buffer
- B. Traffic shaping is applied in the inlet direction and traffic supervision is applied in the outlet direction
- C. The token bucket algorithm is used for traffic supervision, and the SPD algorithm is used for traffic shaping
- D. For traffic policing, the usage of the buffer can be adjusted for traffic exceeding the CIR
- E. For traffic shaping, the router caches excess packets until bandwidth is available again
Answer: A,E
NEW QUESTION # 366
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