[2021] Pass H12-811 Exam - Real Questions & Answers
H12-811 Exam Questions Get Updated [2021] with Correct Answers
NEW QUESTION 89
In the network shown in the figure, which of the following configurations can realize that host A can access the Internet, but host B can not? (Multiple Choice)
- A. acl number 2000 rule 5 permit source 100.0.12.0 0.0.0.255 rule 10 deny # Interface GigabitEthernet0/0/3 traffic-filter outbound ac1 2000 #
- B. acl number 2000 rule 5 permit source 100.0.12.0 0.0.0.255 rule 10 deny source 100.0.13.0 0.0.0.255 # Interface GigabitEthernet0/0/3 traffic-filter outbound ac1 2000 #
- C. acl number 2000 rule 5 deny source 100.0.12.0 0.0.0.255 rule 10 permit source 100.0.13.0 0.0.0.255 # Interface GigabitEthernet0/0/3 traffic-filter outbound ac1 2000 #
- D. acl number 2000 rule 5 deny source 100.0.12.0 0.0.0.255 rule 10 permit # Interface GigabitEthernet0/0/3 traffic-filter outbound ac1 2000 #
Answer: C,D
NEW QUESTION 90
Huawei ARG3 series routers have all SNMP versions (SNMPv1, SNMPv2c and SNMPv3) by default.
- A. True
- B. False
Answer: A
NEW QUESTION 91
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 MTU value of this interface is 1000
- 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 working rate of this interface is 1Gbps
Answer: A,B,C
NEW QUESTION 92
A DHCP server is deployed in the network, but the administrator found that some hosts did not correctly obtain the address specified by the DHCP server. What are the possible reasons? (Multiple choice)
- A. Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 127.254.0.0
- B. Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 169.254 0.0
- C. The address pool of the DHCP server has all been allocated
- D. There is another DHCP server in the network that works more efficiently
Answer: B,C,D
NEW QUESTION 93
Which of the following fields does the ARP packet format include? (Multiple choice)
- A. Operation Code
- B. HardwareType
- C. Protocol Address of sender
- D. Protocol Type
Answer: A,B,C,D
NEW QUESTION 94
What is the role of the command port trunk allow pass vlan all?
- A. If the port default vlan 3 command is configured for the connected remote device, VLAN 3 cannot communicate between the two devices
- B. All VLAN data frames are allowed to pass through this port
- C. The connected peer device can dynamically determine which VLAN IDs are allowed to pass
- D. The opposite port connected to the port must be configured with port trunk permit vlan all
Answer: B
NEW QUESTION 95
The classic network forwarding method is based on router routing table forwarding. The forwarding method of OpenFlow switches is based on flow table forwarding. Which of these two forwarding methods are correct? (Multiple Choice)
- A. The routing table is of fixed length. A device can only have one public routing table
- B. The flow table is variable length. A network device can only have one flow table
- C. The matching method of the flow table is to match the MAC address and IP address of the traffic at the same time
- D. The matching method of the address table is to match the route of the destination network segment with the longest mask
Answer: A,C,D
NEW QUESTION 96
The Layer 2 switch is a data link layer device, which can identify the MAC address information in the data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port information in its own MAC address table.
- A. True
- B. False
Answer: A
NEW QUESTION 97
What percentage does the DHCP client expect to send the lease renewal message for the first time?
- A. 0.5
- B. 0
- C. 0.875
- D. 0.25
Answer: A
NEW QUESTION 98
The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB.
- A. False
- B. True
Answer: A
NEW QUESTION 99
As shown in the figure, all four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will it take for the blocked port in the network to enter the forwarding state?
- A. about 30 seconds
- B. about 15 seconds
- C. about 50 seconds
- D. about 3 seconds
Answer: C
NEW QUESTION 100
In the VRP interface, use the command delete vrpcfg.zip to delete the file. You must empty the recycle bin to completely delete the file.
- A. True
- B. False
Answer: A
NEW QUESTION 101
PPPoE session can only use CHAP authentication.
- A. False
- B. True
Answer: A
NEW QUESTION 102
In the STP protocol, which of the following factors will affect the election of the root switch? (Multiple choice)
- A. MAC address of the switch
- B. Switch interface bandwidth port
- C. The IP address of the switch
- D. Switch priority
- E. Switch interface ID
Answer: A,D
NEW QUESTION 103
The following two configuration commands can realize the router RTA to the same destination 10.1.1.0 routing master and backup backup.
【 RTA 】 ip route-static 10.1.1.0 24 12.1.1.1 permanent
【 RTA 】 ip route-static 10.2.2.0 24 13.1.1.1.
- A. False
- B. True
Answer: A
NEW QUESTION 104
On which layer of the OSI reference model does the Ethernet switch work?
- A. Transport layer
- B. Data link layer
- C. Network layer
- D. Physical layer
Answer: B
NEW QUESTION 105
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