Real Huawei H12-811_V1.0-ENU Exam Questions [Updated 2025]

H12-811_V1.0-ENU Exam Dumps Pass with Updated 2025 HCIA-Datacom V1.0

NEW QUESTION # 87
The broadcast address of 200.200.200.200/30 is?

• A. 200.200.200.200
• B. 200.200.200.255
• C. 200.200.200.252
• D. 200.200.200.203

Answer: D

NEW QUESTION # 88
If the network administrator does not configure the backbone area, the router will automatically create the backbone area.

• A. True
• B. False

Answer: B

NEW QUESTION # 89
The configuration BPDU message of the STP protocol does not contain which of the following parameters?

• A. VLAN ID
• B. Port ID
• C. Bridge ID
• D. Root ID

Answer: A

NEW QUESTION # 90
NAPT allows multiple private IP addresses to be mapped to the same public IP address through different port numbers, so which of the following descriptions about port numbers in NAPT is correct?

• A. The correspondence between the port number and the private address must be manually configured
• B. Only need to configure the port number range
• C. No need to do any port number configuration
• D. You need to use ACL to assign port numbers

Answer: C

NEW QUESTION # 91
Which level of encapsulation format in the OSI reference model does the PPP protocol define?

• A. Network layer
• B. Presentation layer
• C. Data Link Layer
• D. Application layer

Answer: C

NEW QUESTION # 92
The classic network forwarding method is based on routing table forwarding, and the forwarding method of OpenFlow switch is based on flow table forwarding. Regarding these two forwarding methods, which statement is correct? (Multiple choice)

• A. The flow table is variable in length, and a network device can only have one flow table.
• B. The matching method of the flow table is to match the MAC address and IP address of the traffic at the same time.
• C. The routing table is of fixed length, and a device can only have one public routing table.
• D. The matching method of the routing table is to match the route of the destination network segment with the longest mask.

Answer: C,D

NEW QUESTION # 93
RTA uses NAT technology, and implements many-to-many NAPT address translation by defining an address pool, so that hosts in the private network can access the public network. Suppose there are only two public IP addresses in the address pool, and they have been assigned to hosts A and B for address translation. If host C also wants to access the public network, which of the following description is correct?

• A. RTA converts the source port of host C, and host C can access the public network
• B. RTA assigns the interface address (200.10.10.3) to host C, and host C can access the public network
• C. Host C cannot be assigned a public network address and cannot access the public network
• D. All hosts can access the public network by using the public network address in turn

Answer: A

NEW QUESTION # 94
The following two configuration commands can realize the active/standby backup of the router RIA to the same destination 10.1.1.0.
[RTA] ip route-static 10.1.1 0 24 12.1.1.1 perma nent
[RTA] ip route-static 10.1.1.0 24 13.1.1.1

• A. True
• B. False

Answer: B

NEW QUESTION # 95
Regarding the MPLS forwarding process, which is the correct description of Ingress node forwarding? (Multiple choice)

• A. Press the obtained label into the IP packet, process EXP according to the QoS policy, and process TTL at the same time, and then send the encapsulated MPLS packet to the next hop
• B. Find the corresponding NHLFE entry according to the Tunnel ID of the ILM table and associate the LFHB with the NHLFE entry
• C. Check the NHLFE entry, you can get the output interface, next hop, outgoing label and label operation type, the label operation type is Push
• D. After receiving the data packet, the Ingress node will first check the ILM table to find the Tunnel ID

Answer: A,C

NEW QUESTION # 96
In the network shown in the figure below, the host has an ARP cache, and host A sends a data packet to host B, then the destination MAC and destination IP of this data packet are respectively?

• A. MAC-C, 10.0.12.2
• B. MAC-A, 11.0.12.1
• C. MAC-B, 11.0.12.1
• D. MAC-C, 11.0.12.1

Answer: D

NEW QUESTION # 97
The Tracert diagnostic tool records the () of each ICMP TTL timeout message, so as to provide the user with the IP address through which the message reaches the destination?

• A. Source port
• B. Destination port
• C. Source IP address
• D. Destination IP address

Answer: C

NEW QUESTION # 98
In which of the following situations will the switch generate a configuration BPDU? (Multiple choice)

• A. When the root port receives a configuration BPDU, the device where the root port is located will send a configuration BPDU from each of its designated ports
• B. During the initialization process, as long as the port enables STP, the configuration BPDU will be sent from the designated port according to the time interval specified by the Hello Time timer
• C. When the designated port receives a configuration BPDU worse than its own, it will immediately send its own BPDU to the downstream device
• D. When a non-designated port receives a configuration BPDU worse than its own, it will immediately send its own BPDU to the downstream device

Answer: A,B,C

NEW QUESTION # 99
The OSPFv3 interface information of a certain router is as follows. Which of the following statements is correct? (Multiple choice)

• A. The network type of this interface is P2P
• B. This interface does not establish an adjacency relationship
• C. The area number of this interface is 1
• D. The Router-ID of this interface is 10.0.6.6

Answer: A,C,D

NEW QUESTION # 100
The virtual machine is the basis for realizing NFV. Which of the following statements about the characteristics of virtualization is correct? (Multiple choice)

• A. Encapsulation: Virtual machines all share an operating space, and encapsulation is achieved through namespaces
• B. Hardware independence: Virtual machines and hardware decoupling support migration of virtual machines between servers
• C. Partitioning: Multiple virtual machines can run concurrently on a single physical network
• D. Isolation: Virtual machines on the same physical server are isolated from each other

Answer: B,C,D

NEW QUESTION # 101
SR (Segment Routing), as a new tunnel technology replacing MPLS, has attracted more and more attention. Many users hope to introduce SR technology to simplify network deployment and management and reduce CAPEX (Capital Expenditure). SR, as the current mainstream tunnel technology, is widely used in bearer networks.

• A. True
• B. False

Answer: B

NEW QUESTION # 102
VLAN4095 cannot be created on a Huawei switch, and VLAN1 cannot be deleted.

• A. False
• B. True

Answer: B

NEW QUESTION # 103
What is the length of the basic IPv6 header Byte?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: D

NEW QUESTION # 104
IPCP dynamic address negotiation can automatically obtain an address.

• A. False
• B. True

Answer: B

NEW QUESTION # 105
In an IPv4 network, an AP supports static and DHCP methods to obtain an IP address.

• A. False
• B. True

Answer: B

NEW QUESTION # 106
If the network address of a network is 10.1.1.0/30, then what is its broadcast address?

• A. 10.1.1.3
• B. 10.1.1.2
• C. 10.1.1.4
• D. 10.1.1.1

Answer: A

NEW QUESTION # 107
Which statement about the TTL field in the IPv4 header is correct? (Multiple choice)

• A. TTL value length is 80bit
• B. Every time a packet passes through a Layer 3 device, the TTL value is reduced by 1
• C. When there is a loop in the route, the TTL value can be used to prevent the data packet from being forwarded infinitely
• D. The range of TTL value is 0-255

Answer: B,C,D

NEW QUESTION # 108
In the RSTP protocol, the P/A mechanism requires that the link between two switching devices must be in point-to-point full-duplex mode.

• A. False
• B. True

Answer: B

NEW QUESTION # 109
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