2021 Realistic Verified Free Huawei H12-811-ENU Exam Questions
H12-811-ENU Real Exam Questions and Answers FREE
NEW QUESTION 44
The Router ID of the OSPF process takes effect immediately after modification.
- A. True
- B. False
Answer: B
NEW QUESTION 45
Which of the following statements about router-on-a-stick are correct? (Multiple Choice)
- A. On the switch, configure the port connected to the router as a Trunk port, and allow frames of the relevant VLAN to pass
- B. Need to create a sub-interface on the router
- C. One physical connection per VLAN
- D. Use only one physical link connection between the switch and the router
Answer: A,B,D
NEW QUESTION 46
To query the configuration information of the device's OSPF protocol, which of the following commands can be used? (Multiple Choice)
- A. dis ip routing-table
- B. display ospf peer
- C. display current-configuration
- D. Enter the command "display this" in the OSPF protocol view
Answer: C,D
NEW QUESTION 47
<huawei>system-view
[huawei]command-privilege level 3 view user save
The correct statement about the above configuration command is:
- A. Modify the permission level of the save command in the user view to 3
- B. Modify the permission level of the user view command to 3, and save the configuration
- C. Modify the user's authority level to 3, and save the configuration
- D. Modify the authority level of the save command used by a user to 3
Answer: A
NEW QUESTION 48
Which of the following statements about Adjacency Segment is wrong?
- A. Adjacency Segment is identified by Adjacency Segment ID (SID)
- B. Adjacency Segment must be configured manually
- C. Adjacency Segment spreads to other network elements through IGP protocol, which is visible globally and effective locally
- D. Adjacency Segment is used to identify an adjacency of a node in the network
Answer: B
NEW QUESTION 49
In the OSI reference model, what can complete end-to-end error detection and flow control?
- A. Transport layer
- B. Data link layer
- C. Physical layer
- D. Network layer
Answer: A
NEW QUESTION 50
If the Ethernet data frame Length/Type=0X0806, which of the following statement is correct? (Multiple choice)
- A. The source MAC address of the data frame must not be FFFF-FFFF-FFFF
- B. The data frame is an IEEE 802.3 frame
- C. The destination MAC address of the data frame may be FFFF-FFFF-FFFF
- D. The data frame is an Ethernet II frame
Answer: A,D
NEW QUESTION 51
Which of the following messages are used for IPv6 stateless address autoconfiguration? (Multiple Choice)
- A. RA
- B. RS
- C. NA
- D. NS
Answer: A,B
NEW QUESTION 52
Which of the following statement about the main functions of the router is wrong? (Multiple choice)
- A. Establish routing tables through multiple protocols
- B. Forwarding according to the source IP address of the received data packet
- C. Guide data forwarding according to the routing table
- D. Realize the mutual communication between the same network disconnection equipment
Answer: B,C,D
NEW QUESTION 53
A company has 50 private IP addresses. The administrator uses NAT technology to connect the company's network to the public network, but the company has only one public network address and is not fixed. Which of the following NAT conversion methods meets the needs?
- A. Static NAT
- B. easy-ip
- C. NAPT
- D. Basic NAT
Answer: B
NEW QUESTION 54
What is the range of VLAN ID that users can use?
- A. 0-4096
- B. 1-4094
- C. 1-4096
- D. 0-4095
Answer: B
NEW QUESTION 55
Which information of the data frame does the VLANIF interface use to determine whether to perform Layer 2 or Layer 3 forwarding?
- A. Source IP
- B. Destination MAC
- C. Source MAC
- D. Destination port
Answer: B
NEW QUESTION 56
In the network shown in the figure below, from a security perspective, router A refuses to receive OSPF packets and ICMP packets received from the cO/0/1 interface. Which of the following commands can achieve this requirement? (Multiple Choice)
- A. acl number 3000 rule 5 deny 89 rule 10 deny 1 interface GigabitEtherneto/0/1 traffic-filter inbound aci 3000
- B. acL rumber 300o rule 5 deny 89 rule 10 deny icmp # interface GigabitEthernet0/0/1 traffic-filter inbound ac1 30oo #
- C. acl rumber 300o rule 5 deny ospf rule 10 deny icmp # interface GigabitEthernet0/0/1 traffic-filter inbound ac1 300o #
- D. acl rumber 2000 rule 5 deny 89 rule 10 deny 1 # interface GigabitEtherneto/0/1 traffic-filter inbound ac1 2000 #
Answer: A,B,C
NEW QUESTION 57
Through SR (Segment Routing), an explicit path can be easily defined. The nodes in the network only need to maintain the SegmentRouting information to cope with the real-time rapid development of the business. What are the following characteristics of Segment Routing? (Multiple choice)
- A. SR (Segment Routing) adopts IP forwarding, no additional maintenance is required for another label forwarding table
- B. Adopting source routing technology to provide the ability to quickly exchange text between the network and upper-layer applications
- C. Support the centralized control mode of the controller and the distributed control mode of the transponder at the same time, and provide a balance between centralized control and distributed control
- D. By extending the existing protocol (eg IGP), the existing network can better and smoothly evolve
Answer: B,C,D
NEW QUESTION 58
What kind of message does the OSPF protocol use to confirm the received LSU message?
- A. LSACK
- B. LSU
- C. LSR
- D. LSA
Answer: A
NEW QUESTION 59
The routing table output information of a router is shown in the figure. Which of the following statements is correct? (Multiple choice)
- A. the local router to the NextHop of 10.0.0.1 is 10.0.12.2
- B. the local router to the NextHop of 10.0.2.2 is 10.0.12.2
- C. the local router to the NextHop of 10.0.2.1 is 10.0.21.2
- D. the local router to the NextHop of 10.0.2.2 is 10.0.21.2
Answer: A,D
NEW QUESTION 60
The administrator wants to configure a hundred IP address on the G0/0/0 interface of the router, then which of the following addresses is correct?
- A. 127.3.1.4/28
- B. 192.168.10.112/30
- C. 145.4.2.55/26
- D. 237.6.1.2/24
Answer: C
NEW QUESTION 61
What is the total length of the VLAN frame format defined by IEEE802.1Q?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 62
The router running the OSPF protocol can reach the FULL state after completing the LSDB synchronization.
- A. True
- B. False
Answer: A
NEW QUESTION 63
An existing switch is connected to a designated port through a port, but the port does not forward any packets, but can monitor network changes by receiving BPDUs, then what is the role of the port?
- A. Disable port
- B. Root port
- C. Alternate port
- D. Designated port
Answer: C
NEW QUESTION 64
Which of the following OSPF protocol packets can ensure the reliability of LSA updates?
- A. LSACK
- B. LSU
- C. DD
- D. LSR
Answer: A
NEW QUESTION 65
When the switch port receives a data frame that does not carry VLAN TAG, it must add PVID
- A. True
- B. False
Answer: A
NEW QUESTION 66
Before the STA associates with the AP, it needs to exchange some messages to obtain the SSID. What are these messages?
- A. Discovery
- B. Probe
- C. Beacon
- D. ResponseProbe Request
Answer: D
NEW QUESTION 67
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