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Huawei H12-811 Exam Questions and Answers, Huawei HCIA-Datacom | SPOTO

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Question #1
From a security perspective, router A refuses to receive OSPF packets. ICMP packets received from the cO/0/1 interface. Which of the following commands can achieve this requirement? ()
A. acl rumber 300o rule 5 deny ospf rule 10deny icmp interface GigabitEthernet0/0/1 traffic-filter inbounD
B. acl rumber 2000 rule 5 deny 89 rule 10 deny 1 interface GigabitEtherneto/0/1 trafficfilter inbounD
C. acL rumber 300o rule 5 deny 89 rule 10 deny icmp interface GigabitEthernet0/0/1 traffic-filter inbounD
D. acl number 3000 rule 5 deny 89 rule 10 deny 1 interface GigabitEtherneto/0/1 trafficfilter inbounD
View answer
Correct Answer: ACD
Question #2
Which version of the SNMP protocol below supports encryption features? ()
A. SNMPv2c
B. SNMPv1
C. SNMPv3
D. SNMPv2
View answer
Correct Answer: C
Question #3
Before the STA associates with the AP, it needs to exchange some messages to obtain the SSID. Which of the following are these messages? (Multiple choice)
A. Probe Responsecorrect
B. Probe Requestcorrect
C. Beacon
D. Discovery
View answer
Correct Answer: AB
Question #4
The network administrator configures as shown in the figure on the Huawei router RTA, if a user needs to be authenticated in the authentication domain "huawei", which of the following descriptions is correct? [RTA] aaa [RTA-aaa] domain huawei [RTA-aaa-domain huawei] authentication-scheme au1 [RTA-aaa domain-huawei] authentication-scheme au2
A. "authentication-scheme au1" authentication will be used
B. "authentication-scheme au1" authentication will be used, if "au1" is deleted, "au2" authentication will be used
C. "authentication-scheme au2" authentication will be used, if "au2" is deleted, "au1" authentication will be usedcorrect
D. "authentication-scheme au2" authentication will be used
View answer
Correct Answer: C
Question #5
The network Management Station uses SNMP to manage devices, which SNMP message is sent when an SNMP registered abnormal event occurs?
A. et-response
B. et-request
C. rap
D. et-request
View answer
Correct Answer: C
Question #6
In an OSPF broadcast network, with which routers does a Dothter router exchange link state information? ( )
A. BDR
B. All OSPF neighbors
C. DR Other
D. DR
View answer
Correct Answer: AD
Question #7
Static NAT can only implement one-to-one mapping between private and public addresses.
A. rue
B. alse
View answer
Correct Answer: B
Question #8
What is the number range of the advanced ACL?
A. 2000-2999
B. 4000-4999
C. 6000-6031
D. 3000-3999correct
View answer
Correct Answer: D
Question #9
Which of the following statements about the Hybrid port are correct?
A. Hybrid port can strip off the tags of some vlan frames in the outgoing port directioncorrect
B. When the Hybrid port sends data frames, it must carry the vlan tag
C. Hybrid port only receives data frames with VLAN tag
D. Hybrid port does not require PVID
View answer
Correct Answer: A
Question #10
As shown in the figure below, in the MAC address table of the network. SWA and SWB, which of the MAC addresses, VLANs, and ports are correct? () (Single-choice question)
A. SWB: MAC Address VLAN Port MAC-A MAC-B MAC-C GEC/0/3 GEC/0/3 GEC/0/1
B. SWA: MAC Address VLAN Port MAC-A MAC-B MAC-C GEC/O/1 GEC/0/2 GEC/0/3
C. SWA: MAC Address VLAN Port MAC-A MAC-B MAC-C GEC/0/3 GEC/0/3 GEC/0/3
D. SWB: MAC Address VLAN Port MAC-A MAC-B MAC-C GEC/0/3 GEC/0/3 GEC/0/1
View answer
Correct Answer: A
Question #11
The login timeout period in the VRP system can only be set under the VTY interface.
A. True
B. False
View answer
Correct Answer: B
Question #12
The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments.
A. ATRUE
B. BFALSE
View answer
Correct Answer: A
Question #13
Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?
A. 02
B. 02
C. 02
D. 02
View answer
Correct Answer: B
Question #14
The router running the ospf protocol can reach the FULL state after completing the LSDB synchronization.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #15
On the VRP operating platform, which of the following commands can only view static routes?
A. display IP routing-table
B. display IP routing-table statistics
C. display IP routing-table verbose
D. display IP routing-table protocol staticcorrect
View answer
Correct Answer: D
Question #16
When using the ping command on the VRP platform, if it is necessary to specify an IP address as the source address of the echo request message, which of the following parameters should be used?
A. -d
B. -acorrect
C. -s
D. -n
View answer
Correct Answer: B
Question #17
What are the network types supported by the OSPF protocol? ()*
A. Point-to-Point
B. Non-Broadcast Multi-Access
C. Point-to-Multipoint
D. Broadcast
View answer
Correct Answer: ABCD
Question #18
What are the advantages of the OSPF protocol? ()*
A. Support area division
B. OSPF supports load sharing for equal-cost routes
C. OSPF supports message authentication
D. OSPF supports typeless inter-domain routing (CIDR)
View answer
Correct Answer: ABCD
Question #19
In the network shown in the figure below, the output information of switch A is shown in the figure. Then in the MAC address table of switch A, which interface does the MAC address of host B correspond to?
A. GigabitEthernet 0/0/3
B. GigabitEthernet0/0/2
C. Eth-Trunk 1correct
D. GigabitEthernet0/0/1
View answer
Correct Answer: C
Question #20
Using the commands "vlan batch 10 20 " and "valn batch 10 to 20 ", what is the number of VLANs that can be created?
A. 11 and 11
B. 2 and 2
C. 11 and 2
D. 2 and 11correct
View answer
Correct Answer: D
Question #21
What is the main function of the DNS protocol?
A. ARemote access
B. BFile transfer
C. CDomain name resolution
D. DEmail transmission
View answer
Correct Answer: C
Question #22
The MAC address of the existing switch is shown in the figure, which of the following statements is correct?
A. When the switch restarts, the MAC address learned by port Eth0/0/2 does not need to be relearned
B. The data frame with source MAC address 5489-9885-18a8 and destination MAC address 5489-989d-1d30 learned from the port is forwarded from Eth0/0/1 portcorrect
C. The data frame with source MAC address 5489-9811-0b49 and destination MAC address 5489-989d-1d30 learned from the port is forwarded from Eth0/0/2 port
D. When the switch restarts, the MAC address learned by port Eth0/0/3 needs to be relearned
View answer
Correct Answer: B
Question #23
Regarding the election of active ports in link aggregation LACP mode, which of the following is correct?
A. Compare the priority of the interface first, if it is impossible to determine the better one, continue to compare the interface number, the smaller the bettercorrect
B. Only compare interface priority
C. Compare device priority
D. Only compare interface numbers
View answer
Correct Answer: A
Question #24
In which of the following network types does the ospf protocol need to elect DR and BDR? (Multiple Choice)
A. Broadcast typecorrect
B. Point-to-point type
C. Point-to-multipoint
D. NBMAcorrect
View answer
Correct Answer: AD
Question #25
Under the command line interface of Huawei AR router, the save command is used to save the current system time.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #26
Which of the following statements about Prefix Segment is wrong? ()
A. Prefix Segment can be automatically allocated by IGP
B. Prefix Segment needs to be configured manually
C. Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective
D. Prefix Segment is used to identify a destination address prefix in the network (Prefix)
View answer
Correct Answer: A
Question #27
For a switch running the STP protocol, the port can be directly converted to the Disabled state in any state.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #28
Which of the following message types does DHCP contain?
A. DHCP DISCOVER
B. DHCP REQUEST
C. DHCP OFFER
D. DHCP ROLLOVER
View answer
Correct Answer: ABC
Question #29
The controller is the core component of SDN. The controller connects to the device through the southbound interface. Which of the following belong to the controller southbound protocol? (Multiple Choice)
A. SNMPcorrect
B. PCEP
C. OpenFlowcorrect
D. NETCONF
View answer
Correct Answer: AC
Question #30
Which frequencies does the IEEE 802.11n standard support? (Multiple choice)
A. 6GHzcorrect
B. 2
C. 2
D. 5GHzcorrect
View answer
Correct Answer: ACD

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