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  1. Home
  2. Huawei
  3. HCIE-Datacom V1.0
  4. Huawei.H12-891_V1.0-ENU.v2023-12-08.q216
  5. Question 1

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Question 1/216

A company network runs the OSPF protocol, a project in order to understand the OSPF mechanism in the network to perform packet transfer operations, the following description of ospf messages is correct?

Correct Answer: A,B

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Other Question (216q)
Q1. A company network runs the OSPF protocol, a project in order to understand the OSPF mechan...
Q2. Although the STP protocol can solve the loop problem, it affects the quality of user commu...
Q3. The following description of the RD attribute filter for BGP is correct?...
Q4. Is the following GR description of ISIS correct?...
Q5. The following statement about the five types of LSAs in OSPF is used to pass external rout...
Q6. About multi-instance CE (Multi-VPN-Instance CE, MCE). What is the error described below?...
Q7. Regarding BGP's recognized arbitrary attributes, which of the following descriptions is co...
Q8. CORRECT TEXT As shown in the figure, (Exhibit) All interfaces of the router have OSPF turn...
Q9. ipv6 link-local addresses can be generated through stateless autoconfiguration...
Q10. Regarding the BGP ring protection mechanism, the following description is correct?...
Q11. As shown in the following topology, EBGP is running between AS100, AS200, AS300, AS400, an...
Q12. The flood range in OSPFv3 is the LSA within the entire autonomous system?...
Q13. In the description of the MAC address spoofing attack, the error is? Radio...
Q14. The following description of IGMPv1 and IGMPv2 is correct? (Multiple select)....
Q15. In a data communication session between two hosts, which level does the session layer of t...
Q16. Which of the following options is described correctly for the assertion mechanism? (Radio)...
Q17. If you have a LOCAL AREA NETWORK running 8021D Spanning Tree Protocol, the non-root switch...
Q18. Configure the ipv6 preference under the IS-IS protocol view, the role of this command is t...
Q19. R3 is not established with the RI's IS-IS neighbor, and according to the information in th...
Q20. Regarding the difference between NSR and NSF, the correct one is?...
Q21. The following statement about the NSSA area is correct (multiple choice)....
Q22. What is the wrong description of the function of OSPFv3 protocol authentication?...
Q23. Network managers can use CAR technology in traffic policing. What of the following technol...
Q24. An advanced access control list is a sequence of rules consisting of permit |deny statemen...
Q25. If a router only needs to forward iPv6 packets, you do not need to configure any IPV4 agre...
Q26. Is the following information about BGP4+ described correctly?...
Q27. Router R1 runs the OSPF protocol, use the "display ip routing-table" command to view the r...
Q28. BGP routing policies can control the publication and acceptance of routes...
Q29. ??? aggregate ipv4-address { mask/masklength }[as-set lattribute-policy route-policy-namel...
Q30. In MPLSVPN, in order to distinguish between IPv4 prefixes that use the same address space,...
Q31. Four routers running IS-4S and an adjacency relationship has been established, the area nu...
Q32. In an HWIP multicast network, where multiple sources exist and each source has several rec...
Q33. You expect to deploy multicast video applications on your private, on-premises network. To...
Q34. The following description of MP-BGP is incorrect? (Single choice questions)....
Q35. Why is BGP an enhanced distance vector routing protocol?...
Q36. Regarding the OSPFv3 protocol, the following description is incorrect?...
Q37. If you delete a declared route entry on a BGP router, the BGP routing ring is triggered to...
Q38. In PIM-SM, the description of RP is incorrectly?...
Q39. What messages can Huawei equipment suppress traffic for?...
Q40. Two routers connected through a firewall cannot establish a BGP neighbor relationship. Wha...
Q41. SSH uses asymmetric encryption algorithms AES and DES to achieve security for data transmi...
Q42. RTA is the source DR router, RTB is the RP router, and the multicast source sends multicas...
Q43. What type of prefix does a router running BGP advertise to its IBGP neighbor (assuming the...
Q44. When you troubleshoot a local area network with Huawei equipment deployed, you find that t...
Q45. If a Huawei S series switch needs to designate a member switch as the primary switch of th...
Q46. You want only his telnet stream to be able to access the server (address 1011.100). Then, ...
Q47. Regarding the domain-authentication-mode md5 hello command in the ISIS process, the correc...
Q48. View the details of all VPN instances on a network device and the results are as follows, ...
Q49. Regarding BGP MED, which of the following descriptions is correct?...
Q50. In order to configure M4, you first need to define a RADIUS server, which is defined as fo...
Q51. Auto-negotiate mode is to obtain the maximum interface rate and operating mode, the networ...
Q52. The following description of the GVRP interface registration mode in Huawei switches is co...
Q53. Regular expressions can be used for Community-filter and AS-path-filter definition attribu...
Q54. CORRECT TEXT The switch role in the stacking system does not include?...
Q55. When an administrator configures VRRP, which of the following is not required?...
Q56. Which of the following is incorrect about HTTPS? (Multiple Choice)...
Q57. Which of the following VPN technologies may have two IP message headers in one message?...
Q58. Without dividing the zone, is the following description of the link state routing protocol...
Q59. The following statement about the Security Alliance SA in IPSec is wrong with?...
Q60. As shown in the following figure, R1, R2, R3 establish a neighbor relationship of Level2. ...
Q61. ISlS protocol In broadcast networks and P2P networks, when the router receives LSP, it nee...
Q62. When there are multiple rule rules for ACLs in VRP, which of the following statements is t...
Q63. Between two directly attached devices that have established an IBGP neighbor, execute the ...
Q64. The correct description of the scene shown in the following figure is: (Exhibit)...
Q65. IGMP SSMMapping is bound to multicast through a static multicast source, so that members o...
Q66. The router is running both OSPFv3 and ISIS, and the OSPFv3 route needs to be introduced to...
Q67. ICMPv6 has two types: Error Messages and Information Messages....
Q68. The main routing policy tools that BGP can use are Filter-policy and Route-policy, where F...
Q69. In ospf broadcast networks, there are 4 routers RTA, RTB, RTC, and RTDs within the same ne...
Q70. In an HW MPLS network, what parameters are used to define a forwarding equivalent class??...
Q71. In an MPLS BGPVPN networking that does not enable MPLS penultimate hop pop-up technology. ...
Q72. Regarding the mpLS handling mode of TTL, is the following description correct?...
Q73. In a multicast network running PIM-SM mode, how does the router choose the upstream interf...
Q74. As shown in the figure, the use of redundant links between the branch and the headquarters...
Q75. Router HW cannot access hosts in the remote network, router HW runs routing protocols and ...
Q76. When the load is an ICMPv6 message, what is the numeric value of the Next Header field in ...
Q77. What is the significance of reserved multicast address 224000~22400255?...
Q78. The correct statement about the IGMP proxy is? Multi-select...
Q79. Which of the following statement about isis protocol route aggregation is correct?...
Q80. What is the following description of LDP reliability?...
Q81. There are routers as follows, according to which the compromise conclusion is wrong?...
Q82. The authentication types of ISIS include interface authentication, zone authentication, an...
Q83. The following is an error in the OSPF routing calculation (single choice)....
Q84. A campus deployed both IPv4 and IPv6 networks for service testing, and ran IS-S to interco...
Q85. CORRECT TEXT When the BFD detection intervals on both ends are 30ms and 40ms, are the foll...
Q86. Regarding the Stub region and the NSSA region of the OSPF protocol, the following statemen...
Q87. SNMPv3 defines which security features
Q88. As shown in the figure, three switches SI, SN2, and SN3, where SN1 is the root bridge betw...
Q89. The switch uses IPSG technology to verify the source address of the IP packet, and the ver...
Q90. Two VTEPs in an XLAN can identify a VXLAN tunnel, and this VXLAN tunnel between the VTEPs ...
Q91. What commands are related to BGP route reflectors? (Multiple select)....
Q92. If four routers run ISIS and have established an adjacency relationship, and the area code...
Q93. The following description of BGP loop protection is correct: multi-select...
Q94. As shown in the figure, three switches S1, SW, and SN3, where SWI is the root bridge, and ...
Q95. Which of the following scenarios does not require RPF checking? (Single choice questions)....
Q96. As shown in the following figure, a part of the LSDB LSDB of a router LSDB is shown in the...
Q97. The following statement about IPSG technology is correct (single choice)....
Q98. IPv6 introduces the Solicited-Node address, which is described correctly below (multiple c...
Q99. Which is the correct description of optimal routing election for each protocol in the foll...
Q100. RD is used to distinguish between the same IP address in different VPNs, and how many bits...
Q101. In broadcast networks, elections to DIS begin only after a neighbor relationship has been ...
Q102. As shown in the figure, an engineer uses four routers to test the interoperability of bran...
Q103. To build a loopless Layer 2 network, which of the following schemes is optimal? (Single Ch...
Q104. ISIS elects DIS in broadcast multiplexed access networks, and the following statement abou...
Q105. How do 8021w and 8021D handle BPDUs? (Confirmed). The...
Q106. Vxlan is based on UDP encapsulation, which encapsulates Ethernet data frames on top of UDP...
Q107. When the IPv6 address of a host is configured with a stateless address configuration, and ...
Q108. An existing router running OSPF is connected to zone 0 and zone l. You configured zone l a...
Q109. Regarding the description of VRRP Fast Switching, the error is?...
Q110. The following message about the Register in PIM-SM describes the correct? (Multiple choice...
Q111. The following statement about the VXLAN gateway is incorrect? (Single choice questions)....
Q112. You are now troubleshooting a LAN, and you suspect that the error is due to a mismatch in ...
Q113. In an MPLS VPN network, different CE devices exchange routing information with the same PE...
Q114. As shown in the figure, all routers run OSPF, which is correct in the following statement:...
Q115. In inter-domain packet filtering, which of the following options belongs to the outbound d...
Q116. For a non-directly connected EBGP neighbor to establish properly, what configurations must...
Q117. Regarding the cross-domain VPN-OptionB scenario, what is the following description incorre...
Q118. As shown in the following figure, R1 and R2 establish a neighbor relationship for Level2, ...
Q119. The MAC address of a PC is 5489-98FB-65D8. The administrator wants this PC to get the spec...
Q120. There is a new HW office that needs to use their router as a DHCP server. When configuring...
Q121. The network administrator defines a traffic policing policy as follows: (Exhibit)...
Q122. What is correct below about LDP synchronization in ISIS?...
Q123. An existing router running BGP, HW1, has both IBGP neighbors and EBGP neighbors configured...
Q124. What is the correct description of the scene shown in the following figure?...
Q125. Communityflter has two types of basic group nature filters and advanced group property fil...
Q126. Firewall security policies have the condition for traffic matching to be? (Multi-select)...
Q127. Router HW1 and Router HW2 connect Network A and Network B, respectively. As shown in the f...
Q128. Huawei's two switches SWA and SWB are connected together by 7 Ethernet cables, and static ...
Q129. The existing router HWl running BGP is configured with both IBGP neighbors and EBGP tenant...
Q130. Huawei's two switch SWA, SWB is connected together through 7 Ethernets, and static route a...
Q131. Which of the following scenarios is not suitable for deploying interface policy routing?...
Q132. Is the following figure correct about NDP's process of resolving link-layer addresses? (Ex...
Q133. The following statements about the VRRP protocol are correct (multiple choice)....
Q134. BGP4+ is running between two routers, and the neighbor relationship is normal, but the BGP...
Q135. Command IP as-path-filter1 permit^12,*74$ can match to which AS_PSTH?...
Q136. Regarding Route Policy, is the following description correct?...
Q137. Router HW enables OSPF and router HW has the role of ABR and is configured with abr-summar...
Q138. When troubleshooting a local area network, you notice a large number of frame alignment er...
Q139. What are the main reasons why RSTP converges faster than STP?...
Q140. A bookstore provides a wired network for customers to learn online. However, one day, it w...
Q141. What are the following statements about 8021x, RADIUS, and HWTACACS certification? (Multip...
Q142. What does IPV6 enable topology ipv6 mean under IS-IS protocol view?...
Q143. MSTP switches treat RSTP switches as MSTP domains, MSTP, which are formed by a single swit...
Q144. RD is used to distinguish the same IP address in different VPNs, how many bits does RD con...
Q145. Is the following description of the BSR/RP mechanism correct?...
Q146. There can be multiple nodes under a route -policy, different node numbers are identified b...
Q147. As shown in the following figure, R1 and R2 establish a neighbor relationship with LeveL2,...
Q148. Which IPV6 address would you ping to confirm that OSPFv3 is capable of pastoring unicast m...
Q149. In Huawei devices, when SIS introduces external routes and sets external route tags for ro...
Q150. Cross-device link aggregation realizes the back-to-back transmission of data traffic and t...
Q151. In addition to stateless address autoconfiguration, IPV6 devices can also obtain addresses...
Q152. CORRECT TEXT As shown in the figure, in the HUB & Spoke networking mode of MPLS BGPVPN...
Q153. Based on the configuration shown in the figure below, it can be known that R4 has () inter...
Q154. When a Layer 3 switch sends IP packets originating from one VLAN to another LAN, which fie...
Q155. The following topology diagram is available, and it is correct to analyze the following st...
Q156. The following description of VRRP load sharing is correct? (Multiple choice questions)....
Q157. The following statement about the alliance is correct? (Single choice questions)....
Q158. Router HW1 exists in the carrier HW's network as an MPLSLSR router. The router receives a ...
Q159. Traditional BGP-4 can only manage IP4 unicast routing information, and MP-BGP extends BGP-...
Q160. The fields that represent priority in the VLAN (8021Q) data encapsulation are a total of 6...
Q161. After configuring the VLAN-based MAC address drift detection function, if the MAC address ...
Q162. What is the field that the IPv6 header has similar to the IPv4 header "Type of Service" fi...
Q163. The following statement about a cross-domain MPLS VPN is mischaracteristic?...
Q164. When two devices with the same priority compete for the master role at the same time, the ...
Q165. If a Huawei switch runs the RSTP protocol, when will the BPDUs on a port on the switch be ...
Q166. If we have a VPN instance configured on a router, if we need to view the VPN route on a Hu...
Q167. The most effective way to view device warnings through the CLI is?...
Q168. Regarding the MPLS handling mode of TTL, the following description is correct?...
Q169. The following statement about EVPN Type5 routing is wrong? (Single choice questions)....
Q170. In cross-domain VPN-OptionB packet forwarding, two ASBRs exchange the same LSP tags once....
Q171. What are the following techniques for improving MPLS BGP VPN reliability? (Multiple choice...
Q172. The role of Link-LSA in OSPFv3 does not include?...
Q173. A router receives a BGP route with the community attribute NO-Export, how will the router ...
Q174. Which of the following options enables encapsulation and unencapsulation of VXLAN messages...
Q175. The following statement about the VPNv4 address is wrongly described as?...
Q176. CORRECT TEXT BGP EVPN Type2 routes are used to pass IRB type routes with information inclu...
Q177. The following statement about isis protocol LSP messages is correct...
Q178. The following description of the attributes of BGP is correct? Radio...
Q179. CORRECT TEXT If you need to configure routing policies on one router. Which of the followi...
Q180. The network administrator is ready to use the 6to4 automatic tunnel to carry IPv6 data on ...
Q181. What are the following advanced features supported by BGP EVPN?...
Q182. WRED is configured on the newly deployed router HW. The following description of the WRED ...
Q183. ?? ipIp- prefoi p prefierame lndeindeoxrunmber)( pemit demy)ip+4adrssmasklengh gratrequa g...
Q184. XLAN uses BGP EVPN to establish a tunnel, what type of message is used? (Single choice que...
Q185. The command to adjust the LINK cost value for the IS-IS interface is? (Radio)...
Q186. As shown in the following topology, EBGP is running between ASI0O0, AS.203, AS.30, AS8400,...
Q187. The following is the correct description of the aggregation of BGP? (Single Choice Questio...
Q188. CMPv6 uses the Type field to identify the message type, and according to the value of the ...
Q189. What is wrong with the following statement about digital certificates?...
Q190. In which of the following cases, RSTP refreshes the MAC address table? (Multi-select)...
Q191. Which of the following BGP attributes is not required in the Update message for a BGP rout...
Q192. A campus deploys OSPF to achieve network interoperability, and an engineer configures R2 a...
Q193. If there are multiple recipients in a multicast group, the administrator enables the IGMP-...
Q194. Which timer for spanning tree protocol dictates how often to see the root bridge send conf...
Q195. Which of the following sequences can be matched by the regular expression [^100|200]$?...
Q196. If there is a switch running RSTP, which interface on that switch sends the BPDU with the ...
Q197. When running OSPFv3 on a Huawei router, the OSPFv3 process automatically selects an interf...
Q198. The command ip as-path-fiter as-path-fiter-number (denylpermit) regular-expression to conf...
Q199. MPLS does not enable the secondary unsubject pop-up, the penultimate hop label can be the ...
Q200. What kind of scenario can use AS one path and one filter?...
Q201. When deploying BGP/MPLS IPVPN, OSPF's VPN route tag is not present The extended properties...
Q202. The following description of Link ID, Data, Type, and Metirc in Router-LSA is correct :(Mu...
Q203. You want to set the DSCP value of VolP traffic in HW network devices to EF. According to t...
Q204. In a network, the same gigabit running S and OSPF anti-tampering and fluttering as shown i...
Q205. Regarding Policy Routing, the following description error is? (Single choice questions)....
Q206. For Layer 2 VPN technology, the following statement is correct? (Multiple choice questions...
Q207. What are the following correct statements about MUX VLANs? (Multiple select)....
Q208. To achieve an on-machine migration in the BGP EVPN distributed gateway scenario, which of ...
Q209. The advantages of building a campus network using stacking, clustering technology include ...
Q210. 0SPFV2 is running on the IPV4 network IGP: OSPF3 is running in the IPV6 network, OSPF35 OS...
Q211. For Layer 2 VPN technology, the following statement is correct? Multi-select...
Q212. The following is correct about the LSA of OSPFv3...
Q213. Mainstream Layer 2 tunneling technologies include VXLAN TRILL, NVGB and MPLS....
Q214. CORRECT TEXT What categories can ACLs be divided into?...
Q215. BGP can only automatically aggregate routes whose source is Incomplete....
Q216. Regarding the site in the BGP/MPLSIP VPN network architecture, the following description i...
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