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Exam Code:	H12-811
Exam Name:	HCIA-Datacom V1.0
Certification Provider:	Huawei
Free Question Number:	356
Version:	v2024-10-07
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# of Questions views:	20001
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Cornelius - Jun 09, 2025

freecram pdf exam answers for H12-811 are very helpful. I prepared using the pdf file and scored 90% marks. Thank you team freecram.

Other Version: 919 viewsHuawei.H12-811.v2023-03-20.q136; 1206 viewsHuawei.H12-811.v2022-05-16.q157

Exam Question List: Question 1: As shown in the figure below, host A and host B cannot commu...; Question 2: As shown in the figure below. Router A has passed the IP add...; Question 3: Broadcast network. OSPF runs on four routers in the same are...; Question 4: The network administrator of a certain company wants to unif...; Question 5: The host's IPv4 address is 200.200.200.201/30. Which of the ...; Question 6: As shown in the figure below. Host A and Host B cannot commu...; Question 7: The following statement about the TTL field in the IP packet...; Question 8: The DHCPv6 server supports the provision of other configurat...; Question 9: The HybriD. port can be connected to the user host or other ...; Question 10: Which of the following statements about MPLS Labe1 labels is...; Question 11: For the description of the PPP link establishment process, t...; Question 12: In the MAC address table of the switch, which of the followi...; Question 13: Which fields in the IPv4 header are related to fragmentation...; Question 14: Which of the following does not include the advantages of Wi...; Question 15: On Huawei ARG3 series routers, what authentication modes doe...; Question 16: The network structure and OSPF partition are shown in the fi...; Question 17: The network shown in the figure below. Host A is not configu...; Question 18: The mac address of the existing switch is shown in the figur...; Question 19: A company applies for a C. address segment, which needs to b...; Question 20: PPPoE sessions can only use CHAP authentication ()...; Question 21: The network is shown in the figure below. The following stat...; Question 22: Regarding the configuration shown in the figure, which state...; Question 23: In the network shown in the figure, which of the following d...; Question 24: As shown in the figure, there are three data packets capture...; Question 25: For switches running the STP protocol, the port needs to wai...; Question 26: As shown in the figure, if the command ping 10.1.1.2 is exec...; Question 27: Which of the following descriptions about the 0SPF area is c...; Question 28: In the figure below, all switches have enabled the STP proto...; Question 29: The FIT AP can obtain the IP address of AC. through the DHCP...; Question 30: The router running the OSPF protocol reaches the FULL state ...; Question 31: Which information of the data frame is used by the interface...; Question 32: The output information of the router R1 routing table is sho...; Question 33: The MAC address table of a certain switch is shown in the fi...; Question 34: UDP cannot guarantee the reliability of data transmission, a...; Question 35: UDP is connectionless and must rely on () to ensure the reli...; Question 36: When using the SNMPv1 protocol to manage network devices, wh...; Question 37: The administrator plans to implement route backup by configu...; Question 38: DNS is used for domain name resolution...; Question 39: In the MAC address table of the switch, which of the followi...; Question 40: Refer to the configuration of the single-arm routing in the ...; Question 41: As shown in the figure below. All switches enable the $P pro...; Question 42: Which frequencies does IEEE802.11n support? ()...; Question 43: RTA. Uses NAT technology and realizes many-to-many NAPT addr...; Question 44: Which field of the Pv6 packet header can be used for Q0s? ()...; Question 45: The output information of a certain router is shown in the f...; Question 46: Use the ACL shown in the figure on the router RTA to match r...; Question 47: In the broadcast network, OSPF runs on four routers in the s...; Question 48: The information shown in the figure is the port status infor...; Question 49: What is the length of the basic IPv6 header in bytes? ()...; Question 50: Which of the following types does IPv6 address include? ()*...; Question 51: Which of the following parameters is used in LCP negotiation...; Question 52: In the network shown in the figure below, the router receive...; Question 53: The network shown in the figure below. Two switches are conn...; Question 54: Which parameter is used in the spanning tree protocol for ro...; Question 55: The load sharing mode at both ends of the Eth-Trunk can be i...; Question 56: Which of the following information is not included in the MA...; Question 57: When the device running STP receives the RSTP configuration ...; Question 58: As shown in the figure below, all hosts can communicate norm...; Question 59: What is the total length of port ID in Spanning Tree Protoco...; Question 60: Which state does the 0SPF protocol use to indicate that the ...; Question 61: Which category does the IPv6 address FE80:2E0:FCFF:FE6F:4F36...; Question 62: Basic ACL number value range ()....; Question 63: How many more bytes are the packets using MPLS label double-...; Question 64: Among the following commands for configuring the default rou...; Question 65: The second layer switch belongs to the data link layer devic...; Question 66: Which packet type is used by network devices running the SNM...; Question 67: The MAC address table of existing switches is shown in the f...; Question 68: In the campus network, the reliability of the network can be...; Question 69: What is the total length of an IPv6 address in bits? ()...; Question 70: All ports on the root bridge switch are designated ports. ()...; Question 71: Which of the following message types does DHCP contain?...; Question 72: If the Length of an Ethernet data frame/Type = 0x8100, which...; Question 73: The role of the OSPF protocol is...; Question 74: Which of the following statements about single-arm routing a...; Question 75: What are the advantages of the OSPF protocol? ()*...; Question 76: Which of the following refers to network communication? ()*...; Question 77: Which of the following commands can change the device name t...; Question 78: What is the corresponding Solicited.-node multicast address ...; Question 79: The MAC address table of existing switches is shown in the f...; Question 80: When the router is powered on, it will read the configuratio...; Question 81: The following statement about static routing in Huawei equip...; Question 82: What is the function of the command port trunk allow pass vl...; Question 83: What is RouterDeadInterval of the OSPF protocol on the broad...; Question 84: The following description about the specified port of the sp...; Question 85: The administrator cannot log in to the Huawei router through...; Question 86: Through sR (Segment Routing), an explicit path can be easily...; Question 87: Compared with STP, which of the following port roles are new...; Question 88: There are hosts in a private network that need to access 1nt...; Question 89: Which statement about the dynamic AC. address table is corre...; Question 90: Which of the following IPv4 addresses can be used by a host ...; Question 91: Take effect immediately after the Router ID of the OSPF proc...; Question 92: Which of the following IEEE802.11 standards does not support...; Question 93: VLAN4095 cannot be created on Huawei switches, and VLAN1 can...; Question 94: In an IPv4 network, AP supports static and DHCP methods to o...; Question 95: The network management system can only view the operating st...; Question 96: The routing table is generated by ()*...; Question 97: Which of the following descriptions of wireless devices is c...; Question 98: If the broadcast address of a network is 172.16.1.255, what ...; Question 99: The VlanIF IP addresses of the same switch cannot be the sam...; Question 100: The following protocols are China's link state routing proto...; Question 101: When the IPv4 protocol is used as the network layer protocol...; Question 102: On Huawei switches, you can use the vlan batch command to cr...; Question 103: What kind of message does the OSPF protocol use to confirm t...; Question 104: The router needs to modify the destination IP address in the...; Question 105: The output information of the sub-interface of a certain rou...; Question 106: The DHCP request message is sent by broadcast...; Question 107: As shown in the following figure, in the switching network, ...; Question 108: The network shown in the figure below. Which router is the B...; Question 109: The administrator wants to configure the P address on the G0...; Question 110: Which of the following IPv4 addresses the host uses cannot d...; Question 111: Which of the following statements about the various versions...; Question 112: The broadcast address is a special address that all the host...; Question 113: PAP authentication is more secure than CHAP authentication b...; Question 114: Which of the following statements about the default route ar...; Question 115: All ports on the root bridge exchange machine are designated...; Question 116: When configuring the PPP authentication mode as PAP, which o...; Question 117: In standard STP mode, which of the following non-root switch...; Question 118: The administrator cannot log in to the Huawei router through...; Question 119: If it is UDP, the value of the protocol field of the network...; Question 120: Which of the following port states does the RSTP protocol in...; Question 121: The IEEE802.11aC. standard only supports the 5GHz frequency ...; Question 122: Which of the following protocols consist of the PPP agreemen...; Question 123: Apply the ACL configured in the figure in Telnet. Only the d...; Question 124: Which of the following authentication methods does not requi...; Question 125: Which of the following commands can be used to query the con...; Question 126: The administrator has configured the router as shown in the ...; Question 127: The last option field (option) of 1Pv4 is variable-length op...; Question 128: In the network as shown in the figure below, host A logs in ...; Question 129: As shown in the figure, after the two routers are configured...; Question 130: What are the network types supported by the OSPF protocol? (...; Question 131: All the devices in the picture can communicate normally. Is ...; Question 132: As shown in the figure below, the network. All switches enab...; Question 133: What is wrong about the ARP message? ()...; Question 134: The two ends of the PPP link are not in the same network seg...; Question 135: Which of the following fields is not included in the HELL0 p...; Question 136: By default, network devices running the SNMPv2C. protocol us...; Question 137: Which of the following elements are included in the routing ...; Question 138: The network is shown in the figure below. Switch configurati...; Question 139: Which of the following parameters cannot be used for advance...; Question 140: As shown in the figure, host A and host B want to implement ...; Question 141: In the OSPF protocol, which of the following descriptions of...; Question 142: The switch GE0/0/1 port configuration information is shown i...; Question 143: As shown in the figure below, are the following statements c...; Question 144: Which of the following information prompts is used by the VR...; Question 145: UDP cannot guarantee the reliability of data transmission, a...; Question 146: The MPLS label header is encapsulated between the data link ...; Question 147: The RSTP protocol uses the P/A mechanism to speed up the spe...; Question 148: By default, the bridge priority of Huawei switches is 32768 ...; Question 149: The administrator cannot log in to the Huawei router through...; Question 150: Which of the following statements about the usage scenarios ...; Question 151: The Layer 2 Ethernet switch generates entries in the MAC add...; Question 152: The transmission rate of the Eth-Truk port in manual link ag...; Question 153: What kinds of stable states does the neighbor relationship o...; Question 154: By default, on the broadcast networkOSPFWhat is the transmis...; Question 155: The administrator configures R1 as shown in the figure. But ...; Question 156: Which of the following options describes the concept of NFV ...; Question 157: When the FIT AP goes online, the software version will be do...; Question 158: The following two configuration commands can implement route...; Question 159: The election of the root switch in STP only compares the pri...; Question 160: When the Access type port sends a message, it will ()....; Question 161: Which of the following working modes are supported by Huawei...; Question 162: Which of the following commands can be used to check the ses...; Question 163: By default, what is the lease period for the DHCP server to ...; Question 164: If the Ethernet data frame Length/Type=0X0806, which stateme...; Question 165: Three Layer 2 switches are interconnected with one HUB. The ...; Question 166: As shown in the figure below, assuming that the MAC address ...; Question 167: Which of the following elements are included in the routing ...; Question 168: How many types of data flows with different service levels c...; Question 169: RADIUS is a common protocol to implement AAA....; Question 170: FAT AP can independently complete wireless user access, wire...; Question 171: Trunk ports can allow multiple VLANs to pass, including VLAN...; Question 172: Which of the following are not open interfaces for Huawei ne...; Question 173: The following figure shows the routing table of a router. Wh...; Question 174: In the STP protocol, which of the following factors will aff...; Question 175: Which information of the data frame is used by the VLANIF in...; Question 176: The router Radius information configuration is shown in the ...; Question 177: The configuration of the country code will affect the actual...; Question 178: What is the role of link aggregation? ()*...; Question 179: After FIT AP obtains AC.'s IP address, what is the first ope...; Question 180: The broadcast address is a special address in which the host...; Question 181: Ethernet_I containing the Ethernet headerIWhat is the length...; Question 182: When the switch port sends a data frame that carries the sam...; Question 183: If host A. has the ARP cache of host B., host A. can ping ho...; Question 184: The Layer 2 networking of WLAN refers to STA. It uses AC as ...; Question 185: The switch is connected to the host. What is the common port...; Question 186: On an interface that uses PPP as the data link layer protoco...; Question 187: The output information of the routing table of a certain rou...; Question 188: According to the following configuration, which statement is...; Question 189: Which of the following statements about RA and RS messages i...; Question 190: The output information of the sub-interface of a router aggr...; Question 191: The tree network topology is actually a hierarchical star st...; Question 192: Which of the following address types does IPV6 have?...; Question 193: The router uses the sub-interface as the gateway of the host...; Question 194: In the network shown in the figure below, the bridge ID of t...; Question 195: The correct setting of the terminal emulation program when c...; Question 196: Which of the following statements about Prefix Segment is wr...; Question 197: By default, in the SNMP protocol, which port number does the...; Question 198: The static MAC. address table will not be lost after the sys...; Question 199: Which of the following statements about IPv6 address configu...; Question 200: The ACL configuration information of a certain router is sho...; Question 201: Which of the following IPv6 is a global unicast address ()...; Question 202: The G0/0/1 interface configuration information of router A i...; Question 203: Which of the following 0SPF protocol packets can ensure the ...; Question 204: The administrator hopes that RTA. uses static routing and pr...; Question 205: The two-layer switch is a data link layer device, which can ...; Question 206: The Backup port in RSIP can replace the failed root port. ()...; Question 207: The bridge ID of the STP protocol in the switching network i...; Question 208: Which of the following IEEE802.11 standards only supports th...; Question 209: In the network shown in the figure below, switch A and route...; Question 210: "The network administrator created VLAN 10 on the Layer 3 sw...; Question 211: On an interface that uses PPP as the data link layer protoco...; Question 212: What kind of packets does the OSPF protocol use to discover ...; Question 213: In which working state of the port in the STP protocol can i...; Question 214: Network administrators use Ping to test the connectivity of ...; Question 215: Which of the following fields is not included in the HELL0 p...; Question 216: When the router forwards a data packet, if it does not match...; Question 217: After the network administrator uses the TracertRoute functi...; Question 218: If the configured ACL rules have an inclusive relationship, ...; Question 219: The following description of static and dynamic routing is w...; Question 220: If the Length/Type of an Ethernet data frame is 0x8100. Whic...; Question 221: The network administrator has captured a data frame on the n...; Question 222: Which of the following advantages does the single-arm routin...; Question 223: The output information of the STP port of a certain switch i...; Question 224: When the host frequently moves, which VLAN division method i...; Question 225: How to enter in the vP operating system OView of SPF area 0?...; Question 226: The classic network forwarding method is based on router rou...; Question 227: What kind of message does the DHCP server use to confirm tha...; Question 228: For multiple paths to the same destination network, the rout...; Question 229: When adopting LACP mode for link aggregation, what is the de...; Question 230: If the administrator wants to completely delete the old devi...; Question 231: As shown in the picture. About OSPF topology and configurati...; Question 232: Which of the following features does the OSPF protocol have?...; Question 233: The NAT configuration is as follows, which IP can be convert...; Question 234: Which of the following fields does the MPLS header include? ...; Question 235: By default, the root path cost of the root bridge in the STP...; Question 236: The output information of the router is shown in the figure....; Question 237: The switch becomes a logical switch after stacking and clust...; Question 238: What are the advantages of using dynamic host configuration ...; Question 239: The CAPWAP protocol stipulates the communication standard be...; Question 240: VRP operating system commands are divided into four levels: ...; Question 241: Which of the following networks belong to a local area netwo...; Question 242: What is the port number used by the FTP protocol control pla...; Question 243: The administrator hopes that all hosts cannot access the Int...; Question 244: The switch G0/0/1 port configuration information is shown in...; Question 245: In order to realize the network layer function on the VLANII...; Question 246: In the VRP interface, use the command startup saved-configur...; Question 247: Layer 2 ACL can match source MAC, destination MAC, source IP...; Question 248: When deploying ACL on Huawei equipment, which of the followi...; Question 249: According to the command shown in the figure, which of the f...; Question 250: Using the command mkdirtest in the VRP operating platform, t...; Question 251: A network administrator of a company wants to be able to rem...; Question 252: Which of the following statements about link aggregation are...; Question 253: In order to detect the connectivity status of the CAPWAP tun...; Question 254: The output information of the router is shown in the figure....; Question 255: An ACL rule is as follows: Which of the following IP address...; Question 256: Management Information Base (MIB) Information Base) is a vir...; Question 257: Which of the following features does the default VLAN in the...; Question 258: FIT AP can work independently without relying on AC. ()...; Question 259: On Huawei equipment, if AAA authentication is used for autho...; Question 260: To provide different network services for different users on...; Question 261: Which of the following levels is not a common network level ...; Question 262: Neither the A1 ternate interface nor the Backup port in RSTP...; Question 263: As shown in the figure, you only need to configure this stat...; Question 264: As shown in the figure below. Which port of the following sw...; Question 265: Which of the following cannot be the length of the IPv4 pack...; Question 266: Which of the following statements about Prefix Segment is wr...; Question 267: About the above configuration command is correct ()...; Question 268: STA. The only way to discover the wireless network is the Be...; Question 269: Which of the following parameters cannot be used for advance...; Question 270: 1/128 is the IPv6 loopback address ()...; Question 271: As shown in the figure, the administrator hopes that all hos...; Question 272: All four switches run STP, and various parameters adopt defa...; Question 273: When using the ping command on the VRp platform, if you need...; Question 274: Which of the following methods can read data non-blocking in...; Question 275: The output information of a certain router is shown in the f...; Question 276: The vty distribution responsibility is shown in the figure, ...; Question 277: An existing switch is connected to a designated port through...; Question 278: Which extension headers are supported by IPv6 packets?() *...; Question 279: The following description about the specified port of the sp...; Question 280: The network is shown in the figure below. The router uses a ...; Question 281: If the value of the ypeLength field of an Ethernet data fram...; Question 282: Which of the following protocols is OSPF based on?...; Question 283: Which of the following statements about the election of DR a...; Question 284: VRP operating platform, which of the following commands can ...; Question 285: The following description of the Layer 2 Ethernet switch is ...; Question 286: By default, the port cost calculated by STP has a certain re...; Question 287: As shown in the broadcast network. 0SPF runs on four routers...; Question 288: When using the FTP protocol to upgrade the router software, ...; Question 289: As shown in the figure. If host A has the ARp cache table of...; Question 290: Which of the following statements about the Hybrid port are ...; Question 291: In the OSPF protocol, the correct one in the following descr...; Question 292: What kind of message does the 0SPF protocol use to request t...; Question 293: What is the maximum negotiation rate supported by the IEEE80...; Question 294: Which of the following is not the reason why RSTP can increa...; Question 295: On Huawei routers, what is the default value of the OSPF pro...; Question 296: What are the stable states of OSPF neighbor relationship? ()...; Question 297: Which of the following IPv6 addresses is a multicast address...; Question 298: For switches running STP protocol, the port can be directly ...; Question 299: FIT AP does not need AC. It can also work independently ()...; Question 300: What is the number range of the Layer 2 ACL? ()...; Question 301: By default, the bridge priority of Huawei switches is 32768....; Question 302: Which of the following is not the reason why RSTP can increa...; Question 303: The Backup port in RSTP can replace the failed root port ()...; Question 304: DHCP is called Dynamic Host Configuration Protocol. It mainl...; Question 305: In order to realize the network layer function on the VLANIF...; Question 306: Which of the following statements about single-arm routing a...; Question 307: What is the priority value of the direct route entry? ()...; Question 308: Regarding the corresponding relationship between the access ...; Question 309: Which NAT can convert multiple private network addresses int...; Question 310: When the LCP phase of PPP is negotiated, the content of the ...; Question 311: If the MAC address of an interface is 0OEO-FCEF-OFEC, what i...; Question 312: There is no need to write a hop when writing static routes a...; Question 313: Both pwD. and dir commands in the VRP operating platform can...; Question 314: Which of the following parameters need to be considered when...; Question 315: The router running the 0SPF protocol can reach the FULL stat...; Question 316: When two OSPF routers form a 2TAY neighbor relationship, LSD...; Question 317: When AP and MC are in different Layer 3 networks, what metho...; Question 318: The configuration information of a certain port of the switc...; Question 319: Among the configuration BPDUs sent by the switch, which brid...; Question 320: NFV (Network Functional Virtualization), network function vi...; Question 321: Which of the following packet types is used by RADIUS to ind...; Question 322: On the VRP platform, the default protocol priority of routes...; Question 323: Which of the following interfaces are not open to Huawei con...; Question 324: On the broadcast network, both DR and BDR use the multicast ...; Question 325: The mask length is 12 bits can be expressed as?...; Question 326: Which of the following options describes the concept of the ...; Question 327: In the broadcast network as shown in the figure, 0SPF runs o...; Question 328: At what layer of the OSI reference model does a router opera...; Question 329: The priority of OSPF routing protocol is ()...; Question 330: On Huawei devices, if you use aaA authentication to authoriz...; Question 331: Which of the following fields is not included in the HELL0 p...; Question 332: AAA. Which of the following is not included? ()...; Question 333: System-view (huawei) command-privilege level3 view user save...; Question 334: In the network shown in the figure below, there are the foll...; Question 335: The topology shown in the figure and the configuration on th...; Question 336: Which of the following IPv6 addresses can be abbreviated as ...; Question 337: Which of the following applications is based on the TCP prot...; Question 338: The origin of SDN is the separation of transfer and control....; Question 339: As name is admin and the password is Huawei (@123. The follo...; Question 340: As shown in the figure below, what kind of network equipment...; Question 341: The transport layer protocol has UDP and TCP, but UDP is mor...; Question 342: Which authorization modes are supported by AAA on Huawei ARG...; Question 343: Link aggregation is a common technology in enterprise networ...; Question 344: The tracert diagnostic tool in Huawei routers is used to tra...; Question 345: The function of the 0SPF hel1o message is ()...; Question 346: Which of the following are not the characteristics of a smal...; Question 347: In IPv4 network, AP supports static and DHCP to obtain IP ad...; Question 348: The configuration of the country code will affect the freque...; Question 349: The following statement about static routing is wrong ()...; Question 350: The configuration information of a certain port of the switc...; Question 351: Under the command line interface of Huawei AR router, the sa...; Question 352: As shown in the figure below. All hosts can communicate norm...; Question 353: The administrator wants to allocate a Hundred P address on t...; Question 354: Telnetlib is a module that implements the Telnet protocol th...; Question 355: As shown in the figure below, which of the following stateme...; Question 356: What is the total length of the VLAN frame format defined by...

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