NEW 2026 Certification Sample Questions H12-811_V1.0-ENU Dumps & Practice Exam
H12-811_V1.0-ENU Deluxe Study Guide with Online Test Engine
NEW QUESTION # 32
With the topology shown in the figure and the configuration on the interconnection port of the switch, it can be judged that the data frame tagged with VLAN10 can be forwarded normally between the two switches?
- A. False
- B. True
Answer: A
NEW QUESTION # 33
In the broadcast network shown in the figure, OSPF runs on four routers, and they are in the same area and the same network segment.
OSPF will automatically elect one DR and multiple BDRs, so as to achieve better backup effect.
- A. False
- B. True
Answer: A
NEW QUESTION # 34
The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge ID switches will become the root bridge?
- A. 32768 00-01-02-03-04-AA
- B. 32768 00-01-02-03-04-BB
- C. 32768 00-01-02-03-04-CC
- D. 4096 00-01-02-03-04-DD
Answer: D
NEW QUESTION # 35
As shown in the figure below, all switches enable the STP protocol, and keep other configurations in the default state. When the network is stable, which of the following statements is correct? (Multiple choice)
- A. SWA is the root bridge in this network
- B. Both ports of SWB are in Forwarding state
- C. Both ports of SWC are in Forwarding state
- D. SWB is the root bridge in this network
Answer: A,B
NEW QUESTION # 36
In the network shown in the figure below, the router uses a sub-interface as the host gateway. The gateway IP address is 10.0.12.2. Which of the following commands can achieve this requirement? (Multiple choice)
- A. interface GigabitEthernet0/0/0.10
dot1q termination vid 20
Ip address 10.0.12.2 255.255.255.0
arp broadcast enable
# - B. interface GigabitEthernet0/0/0.20
dot1q termination vid 20
Ip address 10.0.12.2 255.255.255.0
arp broadcast enable
# - C. interface GigabitEthernet0/0/0.10
dot1q termination vid 10
Ip address 10.0.12.2 255.255.255.0
arp broadcast enable
# - D. interface GigabitEthernet0/0/0.20
dot1q termination vid 10
Ip address 10.0.12.2 255.255.255.0
arp broadcast enable
#
Answer: A,B
NEW QUESTION # 37
What is the main function of the dynamic routing protocol?
- A. Control router interface status
- B. Dynamically generate routing entries
- C. Manage the router
- D. Generate IP address
Answer: B
NEW QUESTION # 38
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. All hosts can access the public network by using the public network address in turn
- B. RTA converts the source port of host C, and host C can access the public network
- C. RTA assigns the interface address (200.10.10.3) to host C, and host C can access the public network
- D. Host C cannot be assigned a public network address and cannot access the public network
Answer: B
NEW QUESTION # 39
In the network shown in the figure, if the OSPFv3 protocol is enabled on all interfaces, RouterA and RouterB cannot establish an adjacency relationship.
- A. True
- B. False
Answer: A
NEW QUESTION # 40
The routing entry 10.0.0.24/29 may be aggregated from which of the following subnet routes? (Multiple choice)
- A. 10.0.0.24/30
- B. 10.0.0.23/30
- C. 10.0.0.26/30
- D. 10.0.0.28/30
Answer: A,D
NEW QUESTION # 41
Which field in the IPV6 header is similar to the TTL field in the IPV4 header?
- A. Traffic class
- B. Version
- C. hop limit
- D. Next header
Answer: C
NEW QUESTION # 42
Regarding the description of the PPP link establishment process, which of the following statements is wrong? (Multiple choice)
- A. In the Establish phase, the PPP link performs LCP parameter negotiation. Negotiation content includes options such as maximum receiving unit MRU, authentication method, magic word, etc.
- B. After the NCP negotiation is successful, the PPP link will maintain the communication state and enter the Terminate stage
- C. PPP links support half-duplex and full-duplex modes
- D. The dead stage is also called the physical layer unavailable stage. When the two ends of the communication detect the activation of the physical line, they will move from the Dead stage to the Establish stage, that is, the link establishment stage
- E. In the Network phase, the PPP link performs NCP negotiation. Select and configure a network layer protocol through NCP negotiation, and conduct network layer parameter negotiation
Answer: B,C
NEW QUESTION # 43
On the VRP platform, what is the function of the command "interface vlanif<vlan-id>"?
- A. Configure VLAN for a port
- B. Create a VLAN
- C. Create or enter VLAN virtual interface view
- D. No such order
Answer: C
NEW QUESTION # 44
Which of the following message types does DHCP contain? (Multiple choice)
- A. DHCP ROLLOVER
- B. DHCP REQUEST
- C. DHCP OFFER
- D. DHCP DISCOVER
Answer: B,C,D
NEW QUESTION # 45
As shown in the figure, if the command ping 10.1.1.2 is executed on R1, the data frame received by LSW1 from VLAN10 of LSW2 is tagged.
- A. True
- B. False
Answer: A
NEW QUESTION # 46
Which of the following statements about link aggregation in manual load balancing mode is correct?
- A. In manual load balancing mode, the devices at both ends of the link send LACP packets to each other
- B. The number of active ports cannot be set in manual load sharing mode
- C. In manual load sharing mode, all active interfaces participate in data forwarding to share load traffic
- D. There can only be a maximum of 4 active ports in manual load sharing mode
Answer: C
NEW QUESTION # 47
In the history of WLAN development, which of the following is not included in the main wireless protocol standards in the primary mobile office era?
- A. 802.11b
- B. 802.11a
- C. 802.11ac
- D. 802.11g
Answer: C
NEW QUESTION # 48
Which of the following options describes the concept of NFV architecture correctly? (Multiple choice)
- A. MANO consists of NFVO, VNFM and VIM
- B. VIM (Virtualized Infrastructure Manager) virtual resource management, responsible for the virtualization of infrastructure
- C. NFVO (NFV Orchestrator) is responsible for business orchestration
- D. VNFM, virtual network function management, is responsible for the life cycle management of VNF
Answer: A,B,C,D
NEW QUESTION # 49
In the network shown in the figure below, host A is not configured with a gateway, and host B has an ARP cache of the gateway. Use the command ping 11.0.12.1 on host A. Which of the following statements is correct?
- A. No packets will be sent from host A
- B. The destination MAC address of the data frame sent by host A is MAC-B
- C. The destination MAC address of the data sent by host A is MAC-C
- D. The destination IP address of the data packet sent by host A is 11.0.12.1
Answer: A
NEW QUESTION # 50
When congestion occurs, which indicators of QoS are usually affected? (Multiple choice)
- A. Transmission bandwidth
- B. Transmission Jitter
- C. Transmission delay
- D. Transmission distance
Answer: A,B,C
NEW QUESTION # 51
What command can be typed in the system view to switch to the user view?
- A. quit
- B. user-view
- C. system-view
- D. souther
Answer: A
NEW QUESTION # 52
In the network shown in the figure below, the switch uses the VLANIF interface to connect with the sub-interface of the router. Which of the following configurations can meet this requirement?
- A. interface Vlanif10
ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet 0/0/2
port link-type hybrid
port hybrid untag vlan 10
# - B. interface Vlanif10
ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet 0/0/2
port link-type trunk
port trunk allow-pass vlan 10
# - C. interface Vlanif10
ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet 0/0/2
port link-type access
port default vlan 10
# - D. interface Vlanif10
ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet 0/0/2
port link-type trunk
port trunk pvid 10
port trunk allow-pass vlan 10
#
Answer: B
NEW QUESTION # 53
The loop protection function provided by the RSTP protocol can only be configured on the specified port to take effect.
- A. False
- B. True
Answer: A
NEW QUESTION # 54
Among the following options, which one does not belong to the SDN network architecture?
- A. Controller layer
- B. Application collaboration layer
- C. Device layer
- D. Chip layer
Answer: D
NEW QUESTION # 55
In the label forwarding table of the MPLS device, for different routes (the next hop is also different), the outgoing label:
- A. must be the same
- B. must be different
- C. may be the same
Answer: B
NEW QUESTION # 56
On an interface that uses PPP as the data link layer protocol, you can configure a static route by specifying the next hop address or the outgoing interface.
- A. True
- B. False
Answer: A
NEW QUESTION # 57
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