[2023年06月] 更新されたのはHuawei H12-811_V1.0問題集PDFオンラインエンジン
H12-811_V1.0.PDFで問題解答PDFサンプル問題は信頼され続ける
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質問 # 267
When AP and AC are on different Layer 3 networks, what method is recommended for AP to discover AC?
- A. DNS
- B. Broadcasting method
- C. DHCP
- D. Manually specified on AP
正解：C
質問 # 268
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?
- A. OpenFlow
- B. PCEP
- C. SNMP
- D. NETCONF
正解：A、B、C、D
質問 # 269
The RSTP protocol uses the P/A mechanism to speed up the upstream port's transition to the Forwarding state, but what is the reason for no temporary loop? ()
- A. Speed up port role election
- B. Ensure that there will be no temporary loops through the synchronization mechanism
- C. Edge port
- D. Reduced the time of ForwarD.Delay
正解：B
質問 # 270
As shown in the figure below, which port of the following switches will be blocked?
- A. SWC's G0/0/2
- B. G0/0/3 of SWA
- C. SWC's G0/0/1
- D. G0/0/3 of SWB
正解：C
質問 # 271
If the Length/Type of an Ethernet data frame is 0x8100, which of the following statements is correct?
- A. There must be an IP header in the upper layer of this data frame
- B. This data frame must carry VLAN TAG
- C. There must be a UDP header in the upper layer of this data frame
- D. There must be a TCP header in the upper layer of this data frame
正解：B
質問 # 272
The output information of the sub-interface of a router aggregate port 1 is shown in the figure. Based on this information, which of the following statements are correct? ()
- A. The sub-interface number of the aggregate port is 100
- B. The sub-interface of the aggregate port carries B with VLAN when forwarding data frames
- C. Two links exist on the aggregated port
- D. The P address of the sub-interface of the aggregate port is 10.0.12.2/24
正解：A、C、D
質問 # 273
Three Layer 2 switches are interconnected with one HUB. The switches are all enabled with STP bridge ID. Refer to the figure below. What are the default errors of other configurations? () (Single-choice question)
- A. The two ports on SWA are designated ports and are in the forwarding state
- B. G0/0/1 of SWC is alternative. It is in blocking state
- C. SWA is the root bridge in the simple network
- D. G0/0/2 of SWA is blocked
正解：A
質問 # 274
VRP does not support how to configure the router?
- A. Configure the router through the mini USB port
- B. Configure the router through the Console port
- C. Configure the router via Telnet
- D. Configure the router via FTP
正解：D
質問 # 275
The transmission rate of an Eth-Trunk port in manual link aggregation mode is related to ().
- A. Number of member ports
- B. Bandwidth of member ports
- C. Is an IP address configured on the member port
- D. Is the member port on the public network or on the private network
正解：A、B
質問 # 276
The data link layer adopts PPP encapsulation, and the IP addresses at both ends of the link may not be in the same network segment.
- A. False
- B. True
正解：B
質問 # 277
The administrator has configured the router as shown in the figure. At the same time, the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-choice question)
- A. dhcp select relay
- B. lease day 0 hour 10
- C. lease
- D. lease 24
正解：B
質問 # 278
Which of the following elements are included in the routing table?
- A. Cost
- B. Protocol
- C. Interface
- D. NextHop
正解：A、B、C、D
質問 # 279
When adopting LACP mode for link aggregation, what is the default system interference level of Huawei switches? ()
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 280
OSThe I reference model from high-level to bottom-level is ()
- A. Application layer Presentation layer Session layer Transport layer Network layer Data link layer Physical layer
- B. Application layer, transport layer, network layer, data link layer, physical layer
- C. Application layer Session layer Presentation layer Transport layer Network layer Data link layer Physical layer
- D. Application layer Presentation layer Session layer Network layer Transport layer Data link layer Physical layer
正解：A
質問 # 281
What is the main function of the DHCP DISCOVER message? ()
- A. Used by the client to find the DHCP server
- B. The client requests configuration confirmation, or renews the lease
- C. The DHCP server is used to respond to the DHCP DISCOVER message, which carries various configuration information
- D. The server's confirmation response to the REQUEST message
正解：A
質問 # 282
In the VRP interface, use the command startup saved-configuration backup.cfg. Configure the startup.cfg file to be used at the next startup ()
- A. False
- B. True
正解：B
質問 # 283
The following statement about static routing is wrong ()
- A. Low system performance requirements
- B. Cannot automatically adapt to changes in network topology
- C. Manual configuration by network administrator
- D. Routers need to exchange routing information
正解：D
質問 # 284
Which of the following applications is based on the TCP protocol?
- A. TFTP
- B. HTTP
- C. FTP
- D. Ping
正解：B、C
質問 # 285
Which of the following statements about OSPF neighbor status are correct?
- A. In the Exchange state, routers send each other DD packets containing a summary of link state information, describing the contents of the local LSDB
- B. After the router LSDB synchronization is completed, it is converted to Full state
- C. The sequence number of the DD message is determined in the Exchange state
- D. The master-slave relationship of OSPF is formed in the ExStart state
正解：A、B
質問 # 286
VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be created ()
- A. False
- B. True
正解：B
質問 # 287
Which devices are generally involved in wlan deployment schemes in enterprise scenarios? ()*
- A. CPE
- B. AC (Acess Controller)
- C. Poe switch
- D. AP
正解：B、C、D
質問 # 288
The following figure shows the routing table of a router. When the router receives a destinationIWhen the P address is a data packet of 9.1.1.1,The router will forward according to the route of 9.1.0.0/16 because the mask length of this route is longer. ()(True or False)
- A. False
- B. True
正解：B
質問 # 289
After a fault occurs in the network, the administrator finds that the configuration of a certain router has been modified through troubleshooting. What measures should the administrator take to avoid this situation from happening again? ()*
- A. The administrator should enable port-security on the routed management port
- B. The administrator should configure AAA. to authenticate and authorize users who log in to the device
- C. The administrator should configure ACL to control that only the administrator can log in to the device
- D. The administrator should configure the permission level of all accounts except the administrator to log in to the device as
正解：B、C、D
質問 # 290
In the network as shown in the figure, the administrator hopes that all hosts cannot access the Web service (the port number is 80). Other services can be accessed normally. Then, in the interface configuration of G0/0/1, traffic-filWhich ACL rule needs to be bound to ter outbound? ()
- A. acl number 3000
ARule 5 deny tcy destination-port eq www
Rule 10 permit ip
# - B. acl number 3001
Rule 5 deny udp destination-port eg www
Rule 10 permit ip
# - C. acl number 3003
Rule 5 permit ip
Rule 10 deny udp destination eq www
# - D. acl number 3002
Rule 5 permit ip
Rule 10 deny tep destination eq www
#
正解：B、C
質問 # 291
The following description of the Router ID of OSPF is incorrect ().*
- A. Router ID. Must be the IP address of an interface on the router
- B. The Router ID in the same area must be the same, and the Router ID in different areas can be different
- C. The prerequisite for the normal operation of the OSPF protocol is that the router has a Router ID
- D. The Router ID must be specified by manual configuration
正解：A、B、C、D
質問 # 292
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