Ultimate Guide to Prepare H12-811 Certification Exam for HCIA-Datacom in 2021
Use Real H12-811 Dumps - Huawei Correct Answers updated on 2021
NEW QUESTION 71
Which of the following description about DD packets and LSA of OSPF is correct? (Multiple choice)
- A. DD packet contains detailed information about LSA
- B. LSA header is only a small part of LSA
- C. The header of an LSA can uniquely identify an LSA
- D. The DD packet contains only LSA header information
Answer: B,C,D
NEW QUESTION 72
If STP is not turned on for the network composed of switches, there must be a Layer 2 loop.
- A. TRUE
- B. False
Answer: A
NEW QUESTION 73
It is known that there are two entries in the routing table of a router. If the router wants to forward packets with the destination address of 9.1.4.5, which of the following statements is correct?
- A. Select the second item as the best matching item, because the route is a more accurate match relative to the destination 9.1.4.5
- B. Choose the second item as the best matching item, because the cost of the RIP protocol is small
- C. Choose the second item as the best match, because Ethernet0 is faster than serial0
- D. Select the first item as the best matching item, because the priority value of the ospf protocol is higher
Answer: A
NEW QUESTION 74
The Backup ports in RSTP may alternatively failed root port.
- A. False
- B. True
Answer: A
NEW QUESTION 75
Which field is added to the IPv6 packet header than the IPv4 packet header?
- A. Flow Label
- B. Source Address
- C. Destination Address
- D. Version
Answer: A
NEW QUESTION 76
Refer to the route-in-a-stick configuration in the figure below, it can be judged that the administrative department and the financial department can communicate with each other even if the ARP proxy is not enabled on the R1 sub-interface.
- A. True
- B. False
Answer: A
NEW QUESTION 77
After the network administrator uses the TracertRoute function on the router device, in the data packet sent by the router, what is the value of the Protoco1 field in the IPv4 header?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 78
Regarding the corresponding relationship between the access control list number and type, which of the following description is correct?
- A. The basic access control list number range is 1000-2999
- B. The range of advanced access control list numbers is 3000-4000
- C. The access control list number range of the second layer is 4000-4999
- D. The number range of interface-based access control list is 1000-2000
Answer: C
NEW QUESTION 79
The output information of a certain device is shown in the figure. Which of the following statements is correct? (Multiple Choice)
<Huawe1>display interface G1gabitEthernet 0/0/0
G1gabi tEthernet0/0/0 current state : UP
Line protocol current state : UP
Route Port, The Maximum Transmit Unit is 1000
Internet Address is 10.0.12.2/2 4
IP Sending Frames' Format is PRTFMT ETENT_2.Hardware address is 00e0- fc22- 4fff
Port Mode: FORCE COPPER
Speed : 100.Loopback: NONE
Duplex: FULL,Negotiation: DISABLE
Md1 : AUTO
Last 300 seconds input rate 24 bits/sec, 0 packets/sec
Last 300 seconds output rate 24 bits/sec, 0 packets/sec
- A. The working rate of this interface is 1Gbps
- B. The IP address of the interface is 10.0.12.2/24
- C. The MAC address of the interface is 00e0-fc22-4fff
- D. The MTU value of this interface is 1000
Answer: B,C,D
NEW QUESTION 80
What is the protocol number corresponding to the ospf protocol at the network layer?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 81
In the STP protocol, which of the following factors will affect the election of the root switch? (Multiple choice)
- A. Switch priority
- B. Switch interface bandwidth port
- C. MAC address of the switch
- D. Switch interface ID
- E. The IP address of the switch
Answer: A,C
NEW QUESTION 82
As shown in the figure below, the router uses a sub-interface as the gateway of the host. The IP address of the gateway is 10.0.12.2. Which of the following commands can achieve this requirement? (Multiple choice)
- A. Interface GigabitEthernet0/0/0.10 Dotlq termination vid 20 ip address 10.0.12.2 255.255.255.0 Arp broadcast enable #
- B. Interface GigabitEthernet0/0/0.20 Dotlq termination vid 10 ip address 10.0.12.2 255.255.255.0 Arp broadcast enable #
- C. Interface GigabitEthernet0/0/0.20 Dotlq termination vid 20 ip address 10.0.12.2 255.255.255.0 Arp broadcast enable #
- D. Interface GigabitEthernet0/0/0.10 Dotlq termination vid 10 ip address 10.0.12.2 255.255.255.0 Arp broadcast enable #
Answer: A,C
NEW QUESTION 83
If the Length/Type of an Ethernet data frame = 0x8100, which of the following statements is correct?
- A. There must be a UDP header in the upper layer of this data frame
- B. This data frame must carry VLAN TAG
- C. There must be an IP header in the upper layer of this data frame
- D. There must be a TCP header in the upper layer of this data frame
Answer: B
NEW QUESTION 84
The router needs to modify the destination IP address in the data packet when forwarding data packets.
- A. False
- B. True
Answer: A
NEW QUESTION 85
On Huawei ARG3 series routers, what authentication modes does AAA support? (Multiple Choice)
- A. 802.1x
- B. None
- C. Local
- D. HWTACACS
Answer: B,C,D
NEW QUESTION 86
What is the number range of advanced ACL?
- A. 6000~6031
- B. 3000-3999
- C. 4000~ ～ 4999
- D. 2000-2999
Answer: B
NEW QUESTION 87
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