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Exam Code:	H12-821_V1.0-ENU
Exam Name:	HCIP-Datacom-Core Technology V1.0
Certification Provider:	Huawei
Free Question Number:	447
Version:	v2025-01-17
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Elroy - May 13, 2025

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Exam Question List: Question 1: Which of the following are the necessary configurations of ...; Question 2: The output information of a router is below, which is corre...; Question 3: Which of the following descriptions about OSPF is correct?...; Question 4: The output of a certain router is shown in the figure. Acco...; Question 5: The interface using Silent-Interface will not receive and s...; Question 6: There is a wireless access controller serving as a DHCP rel...; Question 7: The OSPF protocol has authentication capabilities for all d...; Question 8: Which of the following descriptions about LSDB synchronizat...; Question 9: Please pair the following IGMP versions with the correspondi...; Question 10: In OSPF, if the network type is NBMA or broadcast and there...; Question 11: Among the following BGP attributes, which ones are recogniz...; Question 12: The attacker sends an ICMP response request and sets the de...; Question 13: Which of the following is a VPN technology that neither sup...; Question 14: The following is part of the configuration information of t...; Question 15: Which of the following IEEE 802.11 standards corresponds to...; Question 16: Please match the following BGP attribute names with their at...; Question 17: Which of the following IEEE 802.11 standards corresponds to...; Question 18: In the WLAN network, when HSB backup group is enabled, if t...; Question 19: The session-based state inspection firewall has different p...; Question 20: Which of the following descriptions about BGP neighbors is ...; Question 21: In IGMPv2, how many seconds is the default maximum response...; Question 22: The following is part of the output information of the rout...; Question 23: There are many timers in Portal authentication. Which of th...; Question 24: The MAC address of a certain PC is 5489-98FB-65D8. The admi...; Question 25: When dual-link hot backup is configured in a WLAN group, th...; Question 26: The network management functional model defined by OSI is d...; Question 27: IPv6 address 2001:0DB8:000A:C030:0000:0000:09A0:CDEF is ____...; Question 28: Which of the following multicast protocol capable of genera...; Question 29: Which of the following statements about BGP security are co...; Question 30: Which of the following reasons may prevent OSPF neighbor re...; Question 31: Which of the following statements about different types of ...; Question 32: Which of the following descriptions about the Keepalive mes...; Question 33: Which of the following attributes must exist in a BGP Updat...; Question 34: A network engineer outputs the following information when t...; Question 35: Which of the following items are included in the traffic ma...; Question 36: A certain router outputs the following information, which o...; Question 37: Which of the following descriptions about ABR in OSPF is wr...; Question 38: Which of the following protocols support network monitoring...; Question 39: Which of the following descriptions of LSP in IS-IS is inco...; Question 40: Which of the following statements about MSTP is correct? (M...; Question 41: As shown in the figure, the router runs OSPF, and Area2 is a...; Question 42: The IP protocol number of the VRRP message is:...; Question 43: BFD itself does not have a neighbor discovery mechanism, bu...; Question 44: When the HSB backup group is enabled in the WLAN network, i...; Question 45: Which of the following events will cause IS-IS to generate ...; Question 46: In VRRP, when the device status changes to Master, it will ...; Question 47: Multiple BGP processes cannot be configured on one router....; Question 48: Which of the following is the command to configure VRRP to ...; Question 49: Which of the following strategies or tools cannot be applie...; Question 50: After the local identifier and remote identifier in BFD are...; Question 51: Please match the following BGP-recognized community attribut...; Question 52: Which of the following operations cannot control IS-IS rout...; Question 53: ASPF (Application Specific Packet Filter) is a packet filte...; Question 54: When two routers establish a pair of logical BGP peers thro...; Question 55: Router-LSA can describe different link types. Which of the ...; Question 56: If you want to achieve communication between different prot...; Question 57: IPv6 uses segmented extension headers to improve QoS process...; Question 58: Which of the following descriptions about the default secur...; Question 59: Recognized attributes in BGP are attributes that all BGP ro...; Question 60: Which of the following description of the Hello message in ...; Question 61: Which of the following is the Link ID of the third type LSA...; Question 62: Which descriptions about IGMP Snooping are correct? (Multip...; Question 63: By default, the IS-ISLevel-1-2 router will publish the deta...; Question 64: If shown, the four switches have run the RSTP protocol and ...; Question 65: Which of the following descriptions of the PIM-DM multicast...; Question 66: Which of the following description of the permanent multica...; Question 67: Which of the following statements about stacked MAD detecti...; Question 68: What are the three ways of sending IPV4 packets? (Multiple ...; Question 69: Regarding BGP MED, which of the following descriptions are ...; Question 70: The router directly guides the forwarding of data according...; Question 71: Through the following display commands, by which of the fol...; Question 72: What are the key components of building an IP wide-area bea...; Question 73: A certain router runs IS-IS, and its output information is ...; Question 74: The import route limit command cannot limit the maximum num...; Question 75: As shown in the figure, SW1 and SW2 have just run RSTP and ...; Question 76: In BCP route selection rules, when other conditions are the...; Question 77: Which statement about RIB and FIB is wrong?...; Question 78: Which of the following IP address ranges are not multicast ...; Question 79: Which of the following OSPF areas can only reach other area...; Question 80: A socket is composed of 5-tuples, so which of the following...; Question 81: Regarding the difference between NSR and INSF, which of the...; Question 82: In order for indirect EBGP neighbors to be established norm...; Question 83: In OSPF, the elected DR and BDR in a broadcast network list...; Question 84: Can be used for a variety of routing protocols. The routing...; Question 85: Which of the following descriptions about BGP route optimiz...; Question 86: If a new member joins a multicast group in PIM-DM, which of...; Question 87: The development of technology and applications has promoted...; Question 88: Which of the following descriptions about the P/A mechanism...; Question 89: In RSTP, many optional protection functions are set to prev...; Question 90: In VRRP, when the virtual router responds to an ARP request...; Question 91: Routers R1 and R2 establish an OSPF neighbor relationship. ...; Question 92: The networking shown in the figure, SWA, SWB, SWC and SWD r...; Question 93: The three routers run IS-IS and have established an adjacen...; Question 94: Which of the following descriptions about IGMPv3 is wrong?...; Question 95: The DHCP relay is responsible for forwarding DHCP messages ...; Question 96: The next hop address of the routing entry in the routing ta...; Question 97: In MSTP, CIST and MSTI are both calculated based on priorit...; Question 98: Please match different traffic transmission directions with ...; Question 99: Which of the following descriptions is wrong about the addr...; Question 100: The function of Hello message in PIM-SM is? (Multiple choic...; Question 101: Which of the following functions does Huawei's ilaster NCE ...; Question 102: Which of the following attacks is not a network layer attac...; Question 103: When encountering network failures, engineers often use a la...; Question 104: Please match the following mechanisms in PIM-DM with their c...; Question 105: In RSTP, you can use the stp root primary command to config...; Question 106: Which of the following values can be set for the security l...; Question 107: There can be multiple nodes under a Route-Policy. Different...; Question 108: BGP prefers the route with the best Origin attribute value....; Question 109: Add interface GE1/0/1 to the trust security zone on the Hua...; Question 110: If the two interfaces of the firewall are divided into the ...; Question 111: VLAN Pool can support multiple service VLANs at the same ti...; Question 112: There is an existing switch that has been powered on and co...; Question 113: After dual-machine hot backup is configured, the primary an...; Question 114: Among the following VPN technologies, which one is likely t...; Question 115: As shown in the figure, in the network running the RSTP pro...; Question 116: Which of the following protocols does not support network c...; Question 117: The following is the information output by a router. Which ...; Question 118: Which of the following descriptions of MAC address spoofing...; Question 119: In a large-scale WLAN three-layer network, which of the fol...; Question 120: Which of the following does not include the switch role in ...; Question 121: In the PIM protocol, which of the following packets have de...; Question 122: What is the minimum total length of the address in IS-IS By...; Question 123: Which of the following descriptions of AS attributes in BGP...; Question 124: In the RSTP network shown in the figure, according to the c...; Question 125: Which of the following descriptions of IS-IS Hello messages...; Question 126: Which of the following message types does BGP include? (Mul...; Question 127: Which of the following parameters are not mandatory items w...; Question 128: Which of the following descriptions about VRRP load sharing...; Question 129: When receiving which of the following messages, the DHCPv6 ...; Question 130: As shown in the figure, R1 and R2 are in a backup group. Af...; Question 131: What are the traffic statistics methods? (Multiple choice)...; Question 132: Which of the following descriptions about BGP, OSPF, IS-IS,...; Question 133: In PIM-SM, which of the following description of RP is wron...; Question 134: Which of the following descriptions about the Options field...; Question 135: Which of the following descriptions of different types of f...; Question 136: By default, OSPF external routes belong to which of the fol...; Question 137: Which of the following parameters cannot be modified by the...; Question 138: On a broadcast or NBMA network, not all neighbors will esta...; Question 139: Which of the following descriptions about BGP Atonic_Aggreg...; Question 140: Which of the following descriptions about CloudFabric intel...; Question 141: Which of the following descriptions of IGMP Snooping are co...; Question 142: When the IPv6 address of the host is configured in the stat...; Question 143: Please match the name of the BGP recognized community attrib...; Question 144: Configure OSPF area 10 as a Totally NSSA area. The commands...; Question 145: Which of the following is not a network security deployment...; Question 146: When the service is configured as VLANPoo1, if the user fai...; Question 147: Regarding the BGP recognized arbitrary attribute, which of ...; Question 148: On Huawei equipment, which of the following commands can re...; Question 149: A Router LSA is shown in the figure, which of the following...; Question 150: Which of the following descriptions of the BGP Local_Prefer...; Question 151: Through the linkage between BFD and MPLS LSP, BFD can be dy...; Question 152: Which of the following descriptions of message authenticati...; Question 153: Use the default-route-advertise command to advertise the de...; Question 154: When the IS-IS overhead type is Narrow, which of the follow...; Question 155: Please pair the following functions with the basic concepts ...; Question 156: As shown in the figure, the GEO/0/0 and GEO/0/1 interfaces ...; Question 157: Which of the following routing protocols support publishing...; Question 158: If as shown, the four switches have been running and conver...; Question 159: The two routers RA and RB are directly connected, but the O...; Question 160: When the administrator views the RIB table of the device, t...; Question 161: As shown in the figure below, in order to allow PC1 to acces...; Question 162: Which of the following understanding of DR/BDR is wrong? (M...; Question 163: Which of the following options are available for the networ...; Question 164: Which of the following functions does iMaster NCE support? ...; Question 165: Which of the following statements about stack splitting is ...; Question 166: MP-BGP extension to BGP-4 allows different types of address...; Question 167: When the Error Code of the BGP Notification message is 2, i...; Question 168: As shown in the figure, in a pure IPv6 environment, if you ...; Question 169: Which of the following protocols can generate a multicast d...; Question 170: In the network as shown in the figure, which of the followi...; Question 171: Which of the following descriptions about ASPF and Server-m...; Question 172: Two level-1 routers in different areas can form neighbor re...; Question 173: The network administrator of a company checks the FIB of th...; Question 174: When routers running the OSPF protocol exchange DD messages...; Question 175: Which of the following are the mechanisms supported by both...; Question 176: In the multicast service model, the SSM model generates ent...; Question 177: Regarding the dual-link hot backup configuration, when conf...; Question 178: Which of the following descriptions about the application o...; Question 179: IS-IS cannot run on point-to-multipoint links P2MP (Point t...; Question 180: For link state routing protocols, when using filter-policy ...; Question 181: Which of the following description about VRRP is wrong?...; Question 182: Which of the following descriptions about IPv6 transition t...; Question 183: Which of the following descriptions about the Originator_ID...; Question 184: MQC includes which of the following elements? (Multiple cho...; Question 185: Both policy routing and routing policies can affect the for...; Question 186: BGP uses which of the following messages to exchange routin...; Question 187: In BGP routing rules, which of the following options is use...; Question 188: When configuring BGP, if such an alarm is generated: "BGPI6...; Question 189: Generally, an interface only needs to be configured with on...; Question 190: Which of the following OSPF packets carries master-slave re...; Question 191: Which of the following options is not the purpose of OSPF H...; Question 192: As shown in the figure, when R2 passes the route of 10.0.1....; Question 193: Which of the following does the basic framework of the SSH ...; Question 194: Which of the following descriptions about the duplicate add...; Question 195: As shown in the figure, RTA, RTB, RTC, and RTD are in the s...; Question 196: Packet loss only occurs at the sending end of the message....; Question 197: When BGP uses Filter-Policy, you can use the filter-policy ...; Question 198: When Filter-Policy is deployed in OSPF, Filter-Policy will ...; Question 199: In the BGP routing rules, the priority of the manual summar...; Question 200: In the OSPF routing protocol, the unit of bandwidth-referen...; Question 201: As shown in the figure, network administrator A can control...; Question 202: When two devices with the same priority compete for the Mas...; Question 203: Which of the following descriptions about configuring roami...; Question 204: When a router running IS-IS finds that the LSDB is out of s...; Question 205: An autonomous system refers to an IP network with the same ...; Question 206: Regarding the description of the characteristics of a high-...; Question 207: Which of the following descriptions of multicast routing ar...; Question 208: Routing tools that are not only used for BGP routing protoc...; Question 209: There are multiple default security zones on the USG firewa...; Question 210: The following is a partial configuration of a router. The c...; Question 211: Which of the following description about LSA is correct?...; Question 212: Please compress the address 2001:0DB8:0000:C030:0000:0000:0...; Question 213: In the switching network shown in the figure, all switches ...; Question 214: An administrator of a company modifies a user's access righ...; Question 215: Among the following options, which routing prefixes satisfy...; Question 216: Huawei's CloudCampus solution supports the business mobilit...; Question 217: There are many ways to establish clusters on modular switch...; Question 218: TLV is an important data structure in IS-IS. Which of the f...; Question 219: In order to avoid inter-area loops, OSPF stipulates that ro...; Question 220: As shown in the figure, router R has static routes to three...; Question 221: As shown in the figure, there is part of the information ou...; Question 222: Rapid detection technology can detect communication failure...; Question 223: A certain router runs IS-IS and its output information is s...; Question 224: IGMP3 not only supports the general group query of IGMPv1 v...; Question 225: MQC, like PBR, can only be called under the layer 3 interfac...; Question 226: Which of the following tools cannot be directly referenced ...; Question 227: To implement the traffic filtering function, you can use tr...; Question 228: A wireless access controller interface has both the DHCP se...; Question 229: As shown in the figure, the ISIS neighbor relationship betw...; Question 230: Which of the following statements about IGMPv2 routers main...; Question 231: In the network shown in the figure, R1 and R2 run IS-IS and...; Question 232: Which of the following descriptions about the ACL matching ...; Question 233: Please match the following BGP messages with their functions...; Question 234: Which of the following BGP route attributes can the Route-P...; Question 235: The FIB table is located on the data plane of the router, a...; Question 236: Among the following BGP attributes, which ones are recogniz...; Question 237: Which of the following information is the real-time backup ...; Question 238: In WLAN networking, backup technologies can be deployed to ...; Question 239: Which of the following fields are included in the OSPF Hell...; Question 240: Which of the following descriptions of multicast are incorr...; Question 241: When a stateful inspection firewall forwards subsequent dat...; Question 242: Which of the following functions is implemented using NDP 1...; Question 243: Which of the following is not a role of a stack switch?...; Question 244: When OSPF external routes are imported, Metric-Type-1 or Me...; Question 245: Multiple bare spanning trees can be generated in an MST dom...; Question 246: The default time interval for sending BFD detection packets...; Question 247: In WLAN networking, which of the following backups supports...; Question 248: Which of the following attributes may not be included in th...; Question 249: Which of the following are the advantages of electing DR/BD...; Question 250: Telemetry is mainly used to monitor the network, including ...; Question 251: In a large-scale WLAN network, when the VLAN Pool uses HASH...; Question 252: As shown in the figure below, the firewall receives a messa...; Question 253: The administrator received the following requirements to de...; Question 254: Which of the following descriptions of VRRP versions are co...; Question 255: What are the main types of ISIS Hello messages? (Multiple c...; Question 256: As shown in the figure, the stateful inspection firewall wi...; Question 257: In IGMPv2, the querier can send query messages to a specifi...; Question 258: Which of the following descriptions of routing policies and...; Question 259: In the OSPF routing protocol, the only LSA types involved i...; Question 260: Which of the following metric types is supported by the IS-...; Question 261: In VRRP, when devices in the same backup group perform VRRP...; Question 262: Which of the following descriptions about LSA and LSDB are ...; Question 263: The following is the BGP error output information of a rout...; Question 264: Which of the following descriptions about Filter-Policy are...; Question 265: The only network type that does not elect DR/BDR is p2p typ...; Question 266: How does an IGMPv2 router maintain network segment group me...; Question 267: It is known that Loopback0 exists on router R1 and its addr...; Question 268: Which of the following descriptions about OSPF is wrong?...; Question 269: Which of the following descriptions of wildcard masks is co...; Question 270: By default, the OSPF port cost is related to the bandwidth ...; Question 271: Option 82 in the DHCP message is called the relay agent inf...; Question 272: Which of the following descriptions about IGMP Proxy are co...; Question 273: What protocol modules can BFD detection be linked with? (Mu...; Question 274: In the IS-IS broadcast network, which multicast MAC address...; Question 275: IGMP Snooping mainly solves the problem of?...; Question 276: In PIM-DM, which working mechanism combination constructs S...; Question 277: Now you need to add AC1 with the source interface IP addres...; Question 278: Which of the following information does the BGP Open messag...; Question 279: Which of the following BGP attributes will not be advertise...; Question 280: Regarding the description of BCP message types and message ...; Question 281: Which of the following descriptions about IGMPv1 and IGMPv2...; Question 282: As shown in the figure, R1 and R2 are VRRP backup groups wi...; Question 283: The traffic policy supports calling on the interface, but o...; Question 284: In a broadcast network, what is the default interval for se...; Question 285: In order to ensure the reliability of WLAN networking, two ...; Question 286: BGP uses TCP as the transport layer protocol, so what is th...; Question 287: During the operation of the DHCP protocol, the process from...; Question 288: As shown in the figure, R1 and R2 are in a VRRP backup grou...; Question 289: Which of the following does not include the advantages of a...; Question 290: When there are two ACs and multiple APs in the WLAN network...; Question 291: As shown in the figure below, RTC announces 10.1.1.0/24 int...; Question 292: How long is the IS-IS LSP flooding time in seconds?...; Question 293: As shown in the figure, three switches run the MSTP protoco...; Question 294: Regarding the basic concept of link aggregation, which of t...; Question 295: Which of the following description about BGP, OSPF, ISIS is...; Question 296: Which of the following descriptions of the VRRP working pro...; Question 297: Which type of TLV does IS-IS use to describe IPInterface Ad...; Question 298: By default, in the VRP version, when the BGP neighbor ingre...; Question 299: L2TP is a type of VPDN (Virtual Private Dial-up network) tu...; Question 300: After the stack is split, the party that loses the MAD elec...; Question 301: The comparison items of the master switch election in the s...; Question 302: As shown in the figure, PC1 and PC2 are hosts belonging to ...; Question 303: Which of the following descriptions about RSTP root protect...; Question 304: What parameters can the DHCPV6 server assign to the DHCPv6 ...; Question 305: As shown in the figure, STA and STB run the RSTP protocol, ...; Question 306: SDN architecture mainly includes two interfaces: NBI northb...; Question 307: ACL command ac1 [number] ac1-number [ match-order {autol co...; Question 308: Which of the following is the configuration command for lin...; Question 309: Which of the following LSAs has a propagation range only in...; Question 310: SA (Security Association) is a parameter that must be negot...; Question 311: The RSTP protocol defines different port states, including ...; Question 312: Which of the following descriptions about NSAP addresses in...; Question 313: R1, R2, R3, and R4 run IS-S. The DIS Priority of their inte...; Question 314: Which of the following parameters are involved in the elect...; Question 315: Which of the following descriptions about the next-hop appl...; Question 316: Drag and drop question: As shown in the figure, please drag ...; Question 317: As shown in the figure, all routers run OSPF. Because R3 is...; Question 318: In the Init state of the OSPF-enabled router, the destinatio...; Question 319: The four routers run IS-IS and have established adjacency. ...; Question 320: The above is part of the configuration of the router RTA. F...; Question 321: Which of the following descriptions about DR are correct? (...; Question 322: Which of the following descriptions about router forwarding...; Question 323: For link state routing protocols, the use of multi-region a...; Question 324: Which of the following description of how to establish a BF...; Question 325: What are the benefits of OSPF area division? (Multiple choi...; Question 326: Route import can realize communication between different pr...; Question 327: In the broadcast network shown in the figure, OSPF runs on ...; Question 328: When running OSPFv3 on a Huawei router, the OSPFv3 process ...; Question 329: When the MTU of the interconnection interface of two router...; Question 330: Which of the following descriptions about the IGMPv3 report...; Question 331: Which of the following descriptions of mirror ports are cor...; Question 332: There is an existing switch connected to a designated port ...; Question 333: Check the IGMP configuration of the interface on the router...; Question 334: The output information of a certain router is as follows. Pl...; Question 335: The physical interface bound to the VRF instance cannot be ...; Question 336: In the network shown in the figure, the R1 device is config...; Question 337: The following is part of the output configuration of the Hu...; Question 338: For a router running the OSPF protocol, all interfaces must...; Question 339: OSPF supports two authentication methods: regional authenti...; Question 340: Unlike STP, RSTP has only one BPDU type, its value is 2, an...; Question 341: The following is the information output by a router through...; Question 342: There is a message in the BGP protocol that is periodically...; Question 343: As shown in the figure, the stateful inspection firewall wi...; Question 344: As shown in the figure, OSPF is enabled on all interfaces o...; Question 345: The BFD version number supported by the VRP version is:...; Question 346: In 0SPF, using the default-route-advertise command will tur...; Question 347: OSPF type 2 external routing cost is the sum of AS internal ...; Question 348: Which of the following description about the reliable routi...; Question 349: Which of the following descriptions about the four forwardi...; Question 350: Which of the following parameters are not required when con...; Question 351: BGP establishes neighbor relationships through UDP interacti...; Question 352: _____ refers to a collection of devices that are managed by...; Question 353: Which of the following prefix lists can match any routing e...; Question 354: Which of the following descriptions of multicast MAC addres...; Question 355: In the multicast service model, in order to improve securit...; Question 356: Which of the following descriptions about OSPF is incorrect...; Question 357: Which of the following descriptions about the VRRP Backup d...; Question 358: Which of the following descriptions about BGP loop protecti...; Question 359: The monitoring plane is generally composed of the monitorin...; Question 360: The configuration of the two routers is shown in the figure...; Question 361: Deploy BFD and OSPF association on the direct link. If the p...; Question 362: The ACL configuration on a certain router is shown in the f...; Question 363: Which layer of the OSI model does the BGP protocol run on?...; Question 364: OSPF can support multiple types of networks. Which of the f...; Question 365: The advantage of IS-IS messages using the TLV structure is ...; Question 366: Which of the following options is the minimum total length ...; Question 367: Which of the following descriptions of routing interactions...; Question 368: The origin of SDN is the separation of transfer and control...; Question 369: Regarding the routers that can initiate SPT switching in th...; Question 370: In WLAN networking, in order to ensure network reliability,...; Question 371: When a routing protocol introduces other routing protocols,...; Question 372: The Backup port in RSTP can replace the failed root port....; Question 373: As shown in the figure, the output information of R1 is as ...; Question 374: When the forwarding table entry is stored in the main contr...; Question 375: As shown in the figure, if the user wants to use SSH to acc...; Question 376: By default, which of the following options is the maximum n...; Question 377: Check the LSP on a router and see the following results: (E...; Question 378: The BGP protocol uses the peer default-route-advertise comm...; Question 379: Regarding the content contained in the UPDATE message, the ...; Question 380: When the service VLAN has set the VLAN Pool to a dual-stack...; Question 381: Which of the following descriptions about the reset ip ip-p...; Question 382: Mechanisms such as sending active and standby service messa...; Question 383: There are two ways to deploy Filter-Policy tools in BGP, on...; Question 384: On the VRP platform, when we introduce OSPF routing to ISIS...; Question 385: When performing source NAT configuration and having no-pat ...; Question 386: The advantages of network address translation (NAT) technol...; Question 387: In the BGP process, what is the role of the DETAIL-SUPPRESS...; Question 388: Execute the () saved-configuration command to clear the con...; Question 389: Which of the following log levels are available in the USG ...; Question 390: As shown in the picture, which of the following statements ...; Question 391: Different packets need to be used in the process of establis...; Question 392: Three switches run the RSTP protocol, and the topology and ...; Question 393: The BGPAS_PATH attribute is an optional transition attribute...; Question 394: BGP routing policy can control the publishing and receiving...; Question 395: A certain router runs IS-IS. The figure below shows the Hel...; Question 396: Regarding business travel, which of the following statement...; Question 397: Attack source tracing can find the attack source user or at...; Question 398: Which of the following parameters are not mandatory items w...; Question 399: NEICONF is a ()-based network configuration protocol. Its p...; Question 400: Round Robin scheduling method is to poll and send according...; Question 401: Which of the following descriptions about route introductio...; Question 402: Regarding LSA3, LSA4 and LSA5, which of the following descr...; Question 403: When BGP establishes a peer connection, both this segment a...; Question 404: Please sequence the process of allocating VLANs to terminal...; Question 405: Four routers run IS-IS and have established adjacency relat...; Question 406: Which of the following options is related to the transmissi...; Question 407: In IPsec, which protocol can be used to achieve data integr...; Question 408: RSTP converges faster than STP because of? (Multiple choice...; Question 409: Which of the following characteristics does the IS-IS proto...; Question 410: IGMP Snooping runs at the data link layer and is used to ma...; Question 411: In OSPF, ABR does not flood Type 5 LSA and Type 4 LSA into ...; Question 412: What does the display current-configuration | include vlan ...; Question 413: On-board AC refers to the built-in AC capability of Huawei ...; Question 414: BFD control packets are encapsulated in UDP packets for tra...; Question 415: Regarding the information description of OSPF's ASBR Summar...; Question 416: To prevent the system from misjudging roaming with the same...; Question 417: BGP prefers the route with the best Origin attribute value....; Question 418: Which of the following BGP path attributes are optional tra...; Question 419: Which of the following descriptions about SPT switching in ...; Question 420: The core router in the Diff-Serv domain usually only needs ...; Question 421: In the VRP system, Route-Policy can match which of the foll...; Question 422: Which statement about IGMP Proxy is correct? (Multiple choi...; Question 423: In the PIM router, the (S, G) routing table entry guides pa...; Question 424: Which of the following statements about the forwarding plan...; Question 425: Regarding the load sharing description of VRRP, which is co...; Question 426: If roaming is implemented between two APs, the same securit...; Question 427: Which of the following description of the virtual connectio...; Question 428: Which of the following are the differences between IGMP ver...; Question 429: By default, VRRP on Huawei AR routers runs in preemption mo...; Question 430: A certain router runs IS-IS, and its output information is ...; Question 431: As shown in the figure, three first-level switches are inte...; Question 432: Which of the following types does IS-IS PDU include? (Multi...; Question 433: If the router-id is configured in both the system view and ...; Question 434: After dividing an interface of the firewall into the Untrus...; Question 435: Which of the following types of LSAs can carry tag informat...; Question 436: The VNI field length of VXLAN packets is 24 bits....; Question 437: If a BGP device is configured with the ip as-path-filter 1 ...; Question 438: BGP prefers the route with the best Origin attribute value....; Question 439: Which of the following description about OSPF DR is incorre...; Question 440: Regarding the description of the VRRP slave device, which i...; Question 441: Which of the following descriptions of IS-IS area division ...; Question 442: In a WLAN network, when there is an IPv4 Layer 3 networking...; Question 443: By default, VRP will automatically aggregate the routes int...; Question 444: Routers R1 and R2 are directly connected through GigabitEth...; Question 445: In the MA network, after the DR and BDR election is complet...; Question 446: Which of the description about VRRP is wrong?...; Question 447: As shown in the figure, R1 and R2 have configured the local...

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