HCIA-Datacom H12-811 Practice Test Engine: Try These 454 Exam Questions
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NEW QUESTION # 207
What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? (Multiple choice)
- A. Avoid IP address conflicts
- B. When the configuration information changes (such as DNS), only the administrator needs to modify it on the DHCP server to facilitate unified management
- C. Reuse of IP address can be realized
- D. Heavy workload and difficult to manage
Answer: A,B,C
NEW QUESTION # 208
Which fields in the IPv4 header are related to fragmentation? (Multiple Choice)
- A. Fragment Offset
- B. Flags
- C. Identification
- D. TTL
Answer: A,B,C
NEW QUESTION # 209
The IP addresses of the VLANIF interfaces of the same switch cannot be the same.
- A. False
- B. True
Answer: B
NEW QUESTION # 210
The router running the OSPF protocol can reach the FULL state after completing the LSDB synchronization.
- A. False
- B. True
Answer: B
NEW QUESTION # 211
On Huawei ARG3 series routers, what authentication modes does AAA support? (Multiple Choice)
- A. None
- B. HWTACACS
- C. 802.1x
- D. Local
Answer: A,B,D
NEW QUESTION # 212
If the Proto of a certain route information in the routing table is Direct, the priority of this route is set to 0.
- A. False
- B. True
Answer: B
NEW QUESTION # 213
What is the main function of the DHCP DISCOVER message?
- A. The client is used to find the DHCP server
- B. The client requests configuration confirmation, or renews the lease
- C. The server's confirmation response to the REQUEST message
- D. The DHCP server is used to respond to the DHCP DISCOVER message, which carries various configuration information
Answer: A
NEW QUESTION # 214
In the OSPF protocol, which of the following descriptions of DR is correct? (Multiple choice)
- A. By default, all routers in this broadcast network will participate in the DR election
- B. DR and BDR should also establish an adjacency relationship
- C. If the priority values of the two routers are equal, the router with the larger Router ID is selected as the DR
- D. If the priority values of the two routers are different, select the router with the lower priority as the DR
Answer: A,B,C
NEW QUESTION # 215
The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability.
- A. False
- B. True
Answer: B
NEW QUESTION # 216
Which of the following fields is not included in the HELLO packet of the OSPF protocol?
- A. Network mask
- B. Neighbor
- C. Hellointerval
- D. Sysname
Answer: D
NEW QUESTION # 217
Which of the following messages is used by AP to request software version from AC?
- A. VRP System Request
- B. Software Request
- C. Image Data Request
- D. Image package Request
Answer: C
NEW QUESTION # 218
What kind of message does the OSPF protocol use to send LSA to neighbors?
- A. LSACK
- B. LSR
- C. LSA
- D. LSU
Answer: D
NEW QUESTION # 219
On the VRP operating platform, what is the command to display the current interface configuration in the interface view?
- A. display ip interfacebrief
- B. display this
- C. display users
- D. display version
Answer: C
NEW QUESTION # 220
Switch stacking supports more than two devices. Through stacking, multiple switches can be grouped into one logical device.
- A. False
- B. True
Answer: B
NEW QUESTION # 221
Which of the following information prompts will the VRP operating platform use for incomplete input commands?
- A. Error: Too many parameters found at' position
- B. Error: Wrong parameter found at 'position
- C. Error :Incomplete command found at' position
- D. Error :Ambiguous command found at' position
Answer: C
NEW QUESTION # 222
As shown in the figure below, all hosts can pass normally, so what is correct about the correspondence between the MAC address and the port in the MAC table of the SWB?
- A. MAC-A GO/0/2 MAC-B G0/0/2 MAC-C G0/0/3
- B. MAC-A G0/0/1 MAC-B G0/0/1 MAC-C G0/0/3
- C. MAC-A G0/0/3 MAC-B G0/0/3 MAC-C GO/0/1
- D. MAC-A G0/0/1 MAC-B G0/0/2 MAC-C G0/0/3
Answer: C
NEW QUESTION # 223
ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 20. Which is correct about this command? (Multiple Choice)
- A. The priority of this route is 20
- B. This route can guide the forwarding of packets with the destination IP address 10.0.12.2
- C. The NextHop of this route is 10.0.12.2
- D. This route can guide the forwarding of packets with the destination IP address 10.0.2.2.
Answer: A,C,D
NEW QUESTION # 224
Telnet is based on TCP protocol.
- A. False
- B. True
Answer: B
NEW QUESTION # 225
The following statements about the election of active ports in link aggregation LACP mode. Which is correct?
- A. Compare the priority of the interface first, and it is impossible to determine the better one to continue to compare the interface number, the smaller the better.
- B. Only compare interface numbers
- C. Only compare interface priority
- D. Compare device priority
Answer: A
NEW QUESTION # 226
In the VRP interface, use the command startup saved-configuration backup.cfg to configure the startup.cfg file for the next startup.
- A. FALSE
- B. TURE
Answer: B
NEW QUESTION # 227
Which of the following description are wrong about the Forwarding state in the spanning tree protocol? (Multiple choice)
- A. Ports in Forwarding state can receive BPDU packets
- B. The port in the Forwarding state does not learn the source MAC address of the packet
- C. The port in the Forwarding state will definitely send BPDU packets
- D. The port in the Forwarding state can forward data packets
Answer: B,C
NEW QUESTION # 228
By default, the root path cost of the root bridge in the STP protocol must be 0.
- A. False
- B. True
Answer: B
NEW QUESTION # 229
As shown in the figure, after the two routers are configured with OSPF, the administrator configures the <silent -interface s0/0/0> command on RTA, then the correct description of the following is (). (Multiple Choice)
- A. The neighbor relationship between the two routers will not be affected
- B. RTA will no longer send OSPF packets
- C. The neighbor relationship between the two routers will be down
- D. RTA will continue to receive, analyze and process OSPF packets sent by RTB
Answer: A,B,D
NEW QUESTION # 230
There is no channel overlap in the 14 available frame segments in the 185.2.4 GHz frame segment.
- A. False
- B. True
Answer: B
NEW QUESTION # 231
The MAC address table of the existing switch is shown in the figure. Which of the following statements are correct?
- A. When the switch restarts, the MAC address learned by port Eth0/0/3 needs to be learned again
- B. The data frame with the source MAC address of 5489-9885-18a8 and the destination MAC address of 5489-989d-1d30 received from the port is forwarded from the Eth0/0/1 port
- C. The data frame with the source MAC address of 5489-9811-0b49 and the destination MAC address of 5489-9894-1d30 received from the port is forwarded from the Eth0/0/2 port
- D. When the switch restarts, the MAC address learned by port Eth0/0/2 does not need to be relearned
Answer: B
NEW QUESTION # 232
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