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Exam Code:	H12-811_V1.0
Exam Name:	HCIA-Datacom V1.0
Certification Provider:	Huawei
Free Question Number:	352
Version:	v2025-08-23
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Exam Question List: Question 1: What is the default step length of ACL on AR G3 series route...; Question 2: The host's IPv4 address is 200.200.200.201/30. Which of the ...; Question 3: According to the command shown in the figure, which of the f...; Question 4: The IPv6 protocol uses NS and NA. packets for duplicate addr...; Question 5: The administrator wants to allocate a Hundred P address on t...; Question 6: On VRP, the command lines are classified into four levels in...; Question 7: Which of the following statements about Prefix Segment is wr...; Question 8: Which of the following commands configures the authenticatio...; Question 9: The mask length is 12 bits can be expressed as?...; Question 10: The output information of a router is shown in the figure. W...; Question 11: The correct statement about the transport layer protocol is ...; Question 12: Which of the following statements about static routes on Hua...; Question 13: Refer to the following commands run on GigabitEthernet0/0/1 ...; Question 14: Which of the following statements about encapsulation and de...; Question 15: If the Ethernet data frame Length/Type=0X0806, which stateme...; Question 16: If the broadcast address of a network is 172.16.1.255, which...; Question 17: Which of the following statements about Prefix Segment is wr...; Question 18: Which of the following planes does a network device have?...; Question 19: The Priority field in a VLAN tag can be used to identify the...; Question 20: In the network as shown in the figure, the administrator hop...; Question 21: Which of the following commands can be used to check the ses...; Question 22: UDP cannot guarantee the reliability of data transmission, a...; Question 23: What is wrong about the following description of the router?...; Question 24: IPv6 uses NS and NA packets to perform duplicate address det...; Question 25: 1/128 is the IPv6 loopback address ()...; Question 26: A company applies for a class C IP address for subnetting. I...; Question 27: An ACL rule is as follows: Which of the following IP address...; Question 28: Which of the following statements about the election of DR a...; Question 29: What are the characteristics of VLAN based on ports? ()...; Question 30: Which of the following statements about VLANIF interfaces ar...; Question 31: In IPv4 network, AP supports static and DHCP to obtain IP ad...; Question 32: When using the ping command on the VRp platform, if you need...; Question 33: Which of the following statements about the default route ar...; Question 34: The WPLS tag header is encapsulated between the data link la...; Question 35: When a switch receives a unicast data frame with a VLAN tag,...; Question 36: AC uses CAPTAP control tunnel transmission to FIt AP managem...; Question 37: Which of the following statements about Iv6 address configur...; Question 38: Which of the following statements about IPv6 RA. and RS mess...; Question 39: What is the IEEE802.11 standard corresponding to Wi-F16? ()...; Question 40: A DHCP server is deployed on the network, but the administra...; Question 41: In order to implement FIT AP online, FIT AP first needs to o...; Question 42: FAT AP can independently complete wireless user access, wire...; Question 43: For multiple paths to the same destination network, the rout...; Question 44: Which of the following commands can be used to view the CPU ...; Question 45: What kind of message does the 0SPF protocol use to request t...; Question 46: ForwardD.Delay exists when an STP port transitions between w...; Question 47: Which of the following statements about IPv6 anycast address...; Question 48: Which of the following descriptions about the 0SPF area is c...; Question 49: Complete the ACL configuration shown in the figure on the ro...; Question 50: The topology shown in the figure and the configuration on th...; Question 51: Does the WEP security policy support the use of TKIP for dat...; Question 52: What is the length of the basic IPv6 header in bytes? ()...; Question 53: Which bridge is in the configuration BPDU sent by the switch...; Question 54: The network shown in the figure below. The network where hos...; Question 55: VLAN4095 cannot be created on Huawei switches, and VLAN1 can...; Question 56: AAA. Which of the following is not included? ()...; Question 57: The network shown in the figure below. From a security persp...; Question 58: Which of the following is not a type of OSPF LSA?...; Question 59: The link aggregation interface can only be used as a Layer 2...; Question 60: What are the network types supported by the OSPF protocol? (...; Question 61: The route entry 10.0.0.24/29 may be aggregated from which of...; Question 62: If the IP address of a host in the LAN is 192.168.1.1/30, wh...; Question 63: The IEEE802.11aC. standard only supports the 5GHz frequency ...; Question 64: Which of the following address types does IPV6 have?...; Question 65: Which of the following OSCan PF protocol packets ensure the ...; Question 66: When both ends running PPP protocol detect that the physical...; Question 67: Which of the following applications is based on the TCP prot...; Question 68: On Huawei equipment, if AAA authentication is used for autho...; Question 69: Telnet is a module that implements the Telnet protocol that ...; Question 70: The network management system can only view the operating st...; Question 71: When configuring the PPP authentication mode as PAP, which o...; Question 72: In RSTP, an edge port becomes a common STP port after receiv...; Question 73: Compared with the IPv4 packet header, which field is added t...; Question 74: Which of the following protocols is OSPF based on?...; Question 75: In the broadcast network as shown in the figure, 0SPF runs o...; Question 76: On the network shown in the figure, the router receives a da...; Question 77: As shown in the figure below, assuming that the other config...; Question 78: A trunk interface allows frames from multiple VLANs includin...; Question 79: On the network shown in the figure, router A adopts link agg...; Question 80: The processing behavior of the data frame received by the sw...; Question 81: What is correct about the SNMP protocol? ()...; Question 82: Which layer of protocol does ARP belong to...; Question 83: Which of the following statements about IPv6 anycast address...; Question 84: In order to realize the network layer function on the VLANIF...; Question 85: Which of the following is not the reason why RSTP can increa...; Question 86: As shown in the figure, is the description of this network t...; Question 87: When using the FTP protocol to upgrade the router software, ...; Question 88: Which of the following advantages does the single-arm routin...; Question 89: Is there any correct statement about the TTL field in the IP...; Question 90: An authenticator router has been configured with two domains...; Question 91: Which of the following is not included in the VRP system log...; Question 92: To ensure that the same data flow is forwarded on the same p...; Question 93: Virtualization is the basis for implementing NEV. Which of t...; Question 94: Which of the following port states does the RSTP protocol in...; Question 95: Which of the following parameters cannot be used for advance...; Question 96: Refer to the display startup command output shown in the fig...; Question 97: Which of the following IPv6 addresses is a multicast address...; Question 98: The following figure shows the display interface Eth-Trunk 1...; Question 99: What is wrong about the description of the information as sh...; Question 100: Which of the following parameters is used to elect the root ...; Question 101: ARP request is sent by (); Question 102: Which of the following protocols consist of the PPP agreemen...; Question 103: The last option field (option) of 1Pv4 is variable-length op...; Question 104: As shown in the figure below, the network. All switches enab...; Question 105: Which is a valid EUI-64 address?...; Question 106: How many planes does a network device have? ()*...; Question 107: Which of the following parameters need to be considered when...; Question 108: What is the protocol number of OSPF at the network layer?...; Question 109: Which of the following statements about IPv6 address configu...; Question 110: VLANs can be assigned based on service types during campus n...; Question 111: Dynamic routing protocols can automatically adapt to network...; Question 112: The vty distribution responsibility is shown in the figure, ...; Question 113: In the RSTP protocol, when the edge port receives the config...; Question 114: Which of the following MAC addresses cannot be used as the M...; Question 115: There are hosts in a private network that need to access 1nt...; Question 116: AP does not need AC. It can independently complete the work ...; Question 117: Which of the following messages is used for IPv6 stateless a...; Question 118: Management Information Base (MIB) Information Base) is a vir...; Question 119: A device has been configured to complete Telnet configuratio...; Question 120: In the network shown in the figure below, there are the foll...; Question 121: What is wrong about the ARP message? ()...; Question 122: AAA. Which of the following is not included? ()...; Question 123: UDP cannot guarantee the reliability of data transmission, a...; Question 124: In order to distinguish between different users and provide ...; Question 125: According to the command output as shown in the figure, whic...; Question 126: Which of the following OSPF versions is suitable for IPv6? (...; Question 127: As shown in the figure, which of the following ports will be...; Question 128: OSThe I reference model from high-level to bottom-level is (...; Question 129: Which of the following is a link-state routing protocol?...; Question 130: All four switches run STP, and various parameters adopt defa...; Question 131: Which field of the Pv6 packet header can be used for Q0s? ()...; Question 132: To enable Router A to communicate with Loopback 0 on Router ...; Question 133: In the VRP interface, use the command delete vrpcfg.zip to d...; Question 134: After OSPF is configured on the two routers, the administrat...; Question 135: Network as shown in the picture. The administrator hopes tha...; Question 136: When the device running STP receives the RSTP configuration ...; Question 137: Which of the following options describes the concept of NFV ...; Question 138: In the OSPF protocol, which of the following descriptions of...; Question 139: When the Access type port sends a message, it will ()....; Question 140: Network devices running the SNMP protocol run an agent proce...; Question 141: Which of the following commands to configure the default rou...; Question 142: Which of the following functions does the LCP protocol in th...; Question 143: What is used as the data link-layer MAC address that identif...; Question 144: In the STP protocol, which of the following factors will aff...; Question 145: The following description of static and dynamic routing is w...; Question 146: Which of the following is not included in AAA? ()...; Question 147: As shown in the figure below. Host A and Host B cannot commu...; Question 148: The switch is connected to the host. What is the common port...; Question 149: RADIUS is a common protocol to implement AAA. ()...; Question 150: Which statement about the dynamic AC. address table is corre...; Question 151: The link aggregation interface can only be used as a Layer 2...; Question 152: Which of the following are related to the purpose of encapsu...; Question 153: The configuration information of a certain port of the switc...; Question 154: The network is shown in the figure below. The router uses a ...; Question 155: Which information of the data frame is used by the interface...; Question 156: By default, it takes at least 30s for the port status in the...; Question 157: Network devices running SNMP can proactively report traps to...; Question 158: Which packet type is used by network devices running the SNM...; Question 159: The administrator has configured the AR2200. Which of the fo...; Question 160: What is the role of link aggregation? ()*...; Question 161: The MAC address table of existing switches is shown in the f...; Question 162: Which of the following are related to the purpose of encapsu...; Question 163: The IPv6 protocol uses NS and NA. packets for duplicate addr...; Question 164: How many types of data flows with different service levels c...; Question 165: IP route--statiC.10.0.12.0255.255.255.0192.168.1.1 About thi...; Question 166: The administrator has configured the router as shown in the ...; Question 167: When the IPv4 protocol is used as the network layer protocol...; Question 168: At which layer of the OSI reference model do Ethernet switch...; Question 169: Which of the following authentication methods does not requi...; Question 170: Which of the following protocols does the RA. message used b...; Question 171: By default, on the broadcast networkOSPFWhat is the transmis...; Question 172: In the network shown in the figure below, switch A and route...; Question 173: Which of the following message types does DHCP contain?...; Question 174: Using a traditional landline to make a call is a way of netw...; Question 175: When learning this switch needs to forward the frame with th...; Question 176: Which of the following parameters cannot be used for advance...; Question 177: According to the VTY user interface configuration shown in t...; Question 178: The Trunk port can send both tagged data frames and untagged...; Question 179: What is the full name of the general routing platform VRP? (...; Question 180: By default, what is the ForwarD.Delay time of the STP protoc...; Question 181: Which of the following routing protocols has the highest pri...; Question 182: Which of the following features does the OSPF protocol have?...; Question 183: After link authentication is completed, STA. will continue t...; Question 184: On Huawei devices, if you use aaA authentication to authoriz...; Question 185: What command can be typed in the system view to switch to th...; Question 186: Users cannot configure VLAN ID. to 0. ()...; Question 187: What identifies the coverage area of an AP in a WLAN? ()...; Question 188: By default, in the SNMP protocol, which port number does the...; Question 189: Which of the following IPv6 addresses can be abbreviated as ...; Question 190: 1/128 is the IPv6 loopback address ()...; Question 191: Which of the following fields is not included in the He1lo p...; Question 192: The priority of static routes cannot be manually specified....; Question 193: A network administrator of a company wants to be able to rem...; Question 194: The election of the root switch in STP only compares the pri...; Question 195: Which of the following IPv4 addresses can be used by a host ...; Question 196: All interfaces of the router belong to the same broadcast do...; Question 197: Which of the following WLAN security policies support open l...; Question 198: Which of the following network parameters can be assigned by...; Question 199: An administrator wishes to configure a floating static route...; Question 200: The network is shown in the figure below. Switch configurati...; Question 201: Which of the following fields is not included in the HELL0 p...; Question 202: Which fields in the IPv4 header are related to fragmentation...; Question 203: Which of the following descriptions of wireless devices is c...; Question 204: Fit APs can provide wireless services independently of an AC...; Question 205: As shown in the broadcast network. 0SPF runs on four routers...; Question 206: In the network shown in the figure, which of the following d...; Question 207: FTP transfer data at a time requires several TCP connections...; Question 208: The following is the statement about the election of active ...; Question 209: The following figure shows the display interface Eth-Trunk 1...; Question 210: If the network address of a network is 192.168.1.0, then its...; Question 211: The switch receives a unicast data frame. If the destination...; Question 212: Which of the following IEEE 802.11 standards supports the 2....; Question 213: If the largest number in an ACL rule is 12, by default, the ...; Question 214: When the Access type port sends a message, it will ()....; Question 215: The output information of the router is shown in the figure....; Question 216: In the campus network, the reliability of the network can be...; Question 217: If during the PPP authentication process, the authenticatee ...; Question 218: When a switch port receives a frame that does not carry a VL...; Question 219: On the VRP, when the mkdir test command is run, the system c...; Question 220: Which of the following commands can switch a view from the s...; Question 221: The output information of a certain device is shown in the f...; Question 222: The network is shown in the figure. Which router is the BDR ...; Question 223: SNMP messages are carried over UDP....; Question 224: You can run the user-interface maximum-vty command to config...; Question 225: Which of the following protocols can be used to prevent Laye...; Question 226: What is RouterDeadInterval of the OSPF protocol on the broad...; Question 227: The load sharing mode at both ends of the Eth-Trunk can be i...; Question 228: RTA. Uses NAT technology and realizes many-to-many NAPT addr...; Question 229: Which of the following are not the characteristics of a smal...; Question 230: The router ID of the OSPF-enabled router must be the same as...; Question 231: A company has 50 private P addresses, and the administrator ...; Question 232: The DHCPv6 server supports the provision of other configurat...; Question 233: The network shown in the figure below. Which router is the B...; Question 234: Which of the following descriptions about Trunk port and Acc...; Question 235: The administrator hopes that all hosts cannot access the Int...; Question 236: Ethernet_I containing the Ethernet headerIWhat is the length...; Question 237: In the network shown in the figure below, the switch uses VL...; Question 238: If the Length of an Ethernet data frame/Type = 0x8100, which...; Question 239: Which of the following elements are included in a routing ta...; Question 240: If the value of the "Type/Length" field of an Ethernet data ...; Question 241: Which state does the 0SPF protocol use to indicate that the ...; Question 242: Now there are the following four segments: 10.24.0.0/24, 10....; Question 243: Broadcast network. OSPF runs on four routers in the same are...; Question 244: What are the stable states of OSPF neighbor relationship? ()...; Question 245: The router needs to modify the destination IP address in the...; Question 246: Through sR (Segment Routing), an explicit path can be easily...; Question 247: Which of the following commands is used to display the CPU u...; Question 248: When the FIT AP goes online, the software version will be do...; Question 249: Which statement about the 0SPF protocol DR is correct? ()...; Question 250: NAPT distinguishes the IP addresses of different users throu...; Question 251: How many types of OSPF packets are there? ()...; Question 252: The MAC address table of a certain switch is shown in the fi...; Question 253: The following description of the Router ID of OSPF is incorr...; Question 254: In order to join the wireless network $TA. The wireless netw...; Question 255: The following two configuration commands can implement route...; Question 256: According to the following configuration, which statement is...; Question 257: A certain ACL of the router is in the following rules, rule ...; Question 258: VRP operating system commands are divided into four levels: ...; Question 259: Which of the following parameters is not contained in STP co...; Question 260: Network Address and Port Translation (NAPT) allows multiple ...; Question 261: The MAC address table of existing switches is shown in the f...; Question 262: The controller is the core component of SDN. The controller ...; Question 263: As shown in the figure, when the switch needs to forward fra...; Question 264: Which of the following working modes are supported by Huawei...; Question 265: There are multiple route entries to the same destination net...; Question 266: The IP addresses of the VLANIF interfaces of the same switch...; Question 267: The basic header length of IPv6 packets is a fixed value ()...; Question 268: The MPLS label header is encapsulated between the data link ...; Question 269: When an Access type port sends a message, it will ()...; Question 270: Which of the following fields does the MPLS header include? ...; Question 271: In what state does the OSPF protocol determine the master-sl...; Question 272: Wireless access controller (AC, Access Cntroller) As a unifi...; Question 273: When using the SNMPv1 protocol to manage network devices, wh...; Question 274: If the application-layer protocol is Telnet, what is the val...; Question 275: For the description of the PPP link establishment process, t...; Question 276: In the following figure, after the OSPF routers converge, in...; Question 277: The router Radius information configuration is shown in the ...; Question 278: In an IPv4 network, AP supports static and DHCP methods to o...; Question 279: The routing table is generated by ()*...; Question 280: The election of the root switch in STP only compares the pri...; Question 281: The Layer 2 networking of WLAN refers to STA. It uses AC as ...; Question 282: The following statement about static routing is wrong ()...; Question 283: The display startup information of the AR2200 router. Regard...; Question 284: Protocol Priority Switch A. and Switch B. adopt LACP mode li...; Question 285: Assume that an OSPF-enabled router has no loopback interface...; Question 286: If it is UDP, the value of the protocol field of the network...; Question 287: Which authorization modes are supported by AAA on Huawei ARG...; Question 288: An existing switch is connected to a designated port through...; Question 289: What are the advantages of OSPF?...; Question 290: You can manually specify the source address or source interf...; Question 291: The ACL configuration information of a certain router is sho...; Question 292: FIT AP does not need AC. It can also work independently ()...; Question 293: Regarding the configuration shown in the figure, which state...; Question 294: What kind of packets does the OSPF protocol use to request L...; Question 295: After the two routers are configured with 0SPF, the administ...; Question 296: Layer 2 ACL can match source MAC, destination MAC, source IP...; Question 297: Now you need to implement a Python automation script Telnet ...; Question 298: Which of the following IEEE802.11 standards only supports th...; Question 299: The login timeout time in the VRP system can only be set und...; Question 300: How to deal with the data frame sent by the Trunki port? ()...; Question 301: The following statement about the HybriD. port is correct ()...; Question 302: As shown in the figure below. All hosts can communicate norm...; Question 303: What kind of packets does the OSPF protocol use to send LSAs...; Question 304: Static NAT can only achieve one-to-one mapping between priva...; Question 305: What is the function of the command port trunk allow pass vl...; Question 306: The following two configuration commands can realize the mas...; Question 307: On the Huawei VRP, what is the default preference of differe...; Question 308: The router running the OSPF protocol reaches the FULL state ...; Question 309: Which of the following types of addresses are not included i...; Question 310: Which statement about OSPF area division is wrong? ( )...; Question 311: The output information of the sub-interface of a router aggr...; Question 312: By referring to the network structure and OSPF areas shown i...; Question 313: An administrator wishes to manage the router in the remote b...; Question 314: On the VRP platform, the default protocol priority of routes...; Question 315: In the network as shown in the figure below, host A logs in ...; Question 316: OSPF Router ID. It must be the same as the IP address of an ...; Question 317: The router receives a data packet with a destination IP addr...; Question 318: What is the number range of advanced ACLs? ()...; Question 319: As shown in the figure, if the command ping 10.1.1.2 is exec...; Question 320: On the command line interface of Huawei AR routers, the role...; Question 321: Basic ACL number value range ()....; Question 322: CSS refers to the combination of two switch devices that sup...; Question 323: The transmission rate of the Eth-Truk port in manual link ag...; Question 324: The users who log on the router through Telnet are not permi...; Question 325: Using the command mkdirtest in the VRP operating platform, t...; Question 326: The network administrator hopes to be able to effectively us...; Question 327: On Huawei routers, what is the default value of the OSPF pro...; Question 328: The protocol uses the P/A. mechanism to speed up the upstrea...; Question 329: The following description about the specified port of the sp...; Question 330: Which of the following statements about hybrid interfaces is...; Question 331: As shown in the figure, you only need to configure this stat...; Question 332: As shown in the figure below. Which network device can host ...; Question 333: As shown in the following figure, in the switching network, ...; Question 334: The network as shown in the figure. Which of the following c...; Question 335: The priority of the LACP protocol is shown in the figure. Sw...; Question 336: In standard STP mode, which of the following non-root switch...; Question 337: After FIT AP obtains AC.'s IP address, what is the first ope...; Question 338: The router ID of the OSPF process takes effect immediately a...; Question 339: As shown in the figure. When the router uses the 0#PF protoc...; Question 340: What is the priority value of the direct route entry? ()...; Question 341: The administrator has configured the router as shown in the ...; Question 342: In what ways does VRP support router configuration? ()*...; Question 343: In a Layer 2 network with redundant links, which of the foll...; Question 344: When the LCP phase of PPP is negotiated, the content of the ...; Question 345: On Huawei ARG3 series routers, what authentication modes doe...; Question 346: The configuration information of a certain router is shown i...; Question 347: There is no channel overlap in the 14 available frequency ba...; Question 348: Which of the following IE802.11 standards only supports the ...; Question 349: A network engineer prompts the following message when enteri...; Question 350: As shown in the figure, the host has ARP cache. Host A sends...; Question 351: Link aggregation is a common technology in enterprise networ...; Question 352: Which of the following interfaces are not open to Huawei con...

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