[Dec 01, 2021] Free HCIA-Datacom H12-811 Official Cert Guide PDF Download
Huawei H12-811 Official Cert Guide PDF
NEW QUESTION 80
A device has been configured to complete the Telnet configuration. The device login address is 10.1.1.10. The Telnet user name is admin and the password is Huawei@123. Which of the following is the correct way to log in to this device using telnetlib?
- A. telnetlib.Telnet （ 10.1.1.0,admin )
- B. telnetlib.Telnet （ 10.1.1.0,23,admin,Huawei@123 )
- C. telnetlib.Telnet （ 10.1.1.0 )
- D. telnetlib.Telnet （ 10.1.1.0,23, Huawei@123 )
Answer: B
NEW QUESTION 81
By default, how long is the lease period of the IP address assigned by the DHCP server?
- A. 18h
- B. 24h
- C. 1h
- D. 12h
Answer: B
NEW QUESTION 82
As shown in the figure, if host A and host B want to achieve inter-VLAN communication through single-arm routing, which configuration should be done under the G0/0/1.1 interface of RTA?
- A. dot1q termination vid 20
- B. dot1q termination vid 30
- C. dot1q termination vid 10
- D. dot1q termination vid 40
Answer: C
NEW QUESTION 83
What address does 192.168.1.127/25 represent?
- A. Multicast
- B. Host
- C. Broadcast
- D. Network
Answer: C
NEW QUESTION 84
Which of the following statements about direct routing is correct?
- A. Direct route has lower priority than static route
- B. Direct route priority is lower than dynamic route
- C. Direct routing requires the administrator to manually configure the destination network and the next-hop address
- D. Direct routing has the highest priority
Answer: D
NEW QUESTION 85
By default, network devices running SNMPv2c protocol use which of the following port numbers to send trap messages to the network management system?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 86
When the switch port sends a data frame carrying the same VLAN TAG and PVID, it must strip the VLAN TAG and forward it.
- A. True
- B. False
Answer: B
NEW QUESTION 87
When deploying ACL on Huawei devices, which of the following description is correct? (Multiple choice)
- A. The same ACL can be called under multiple interfaces
- B. ACL can match the TCP/UDP port number of the message, and can specify the range of port numbers
- C. ACL cannot be used to filter OSPF traffic, because OSPF traffic does not use UDP protocol encapsulation
- D. When ACL defines rules, it can only proceed in the order of 10, 20, and 30
- E. When calling ACL under the interface, it can only be applied to the outbound direction
Answer: A,B
NEW QUESTION 88
The origin of SDN is the separation of transfer and control. The separation of transfer and control is a way to realize SDN, not the essence.
- A. True
- B. False
Answer: A
NEW QUESTION 89
The IPv6 protocol uses NS and NA packets for duplicate address detection (DAD).
- A. True
- B. False
Answer: A
NEW QUESTION 90
In the network shown in the figure below, switch A and router A are connected through two links, and the two links are aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link performs data when forwarding, you need to carry VLAN TAG 100. Switch A uses Trunk link. Which of the following configurations should be used for Switch A?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION 91
If the Length/Type of an Ethernet data frame = 0x8100, which of the following statements is correct?
- A. This data frame must carry VLAN TAG
- B. There must be a TCP header in the upper layer of this data frame
- C. There must be a UDP header in the upper layer of this data frame
- D. There must be an IP header in the upper layer of this data frame
Answer: A
NEW QUESTION 92
The configuration information of a certain port of the switch is shown in the figure, then the port will strip off the VLAN TAG when sending data frames carrying which VLAN?
- A. 4.5.6
- B. 1.4.5.6
- C. 1.4.6
- D. 4.6
Answer: C
NEW QUESTION 93
Which of the following descriptions about Trunk port and Access port is correct?
- A. Access port can only send tagged frames
- B. Trunk port can only send tagged frames
- C. Trunk port can only send untagged frames
- D. Access port can only send untagged frames
Answer: C
NEW QUESTION 94
On the switch, which VLANs can be deleted by using the undo command? (Multiple choice)
- A. vlan 1
- B. vlan 1024
- C. vlan 4094
- D. vlan 2
Answer: B,C,D
NEW QUESTION 95
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