Download Online VALID H12-811-ENU Exam Dumps File Instantly[Mar 09, 2023]
H12-811-ENU Exam Dumps For Certification Exam Preparation
NEW QUESTION 240
The picture shows the display startup information of AR2200 router. Regarding these information, which of the following statement iswrong?
- A. next system startup file system can use the command "startup system software <startup-software-name>" to modify
- B. The running configuration file is not saved
- C. The system file cannot be modified when the device is started next time
- D. The system file used by the device this time is ar2220-v200r003c00spc00.cc
Answer: C
NEW QUESTION 241
After the network administrator uses the TracertRoute function on the router device, in the data packet sent by the router, what is the value of the Protoco1 field in the IPv4 header?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 242
On the AC, you can manually specify the source address or source interface of the CAPWAP tunnel.
- A. False
- B. True
Answer: B
NEW QUESTION 243
Which of the following fields does the ARP packet format include? (Multiple choice)
- A. HardwareType
- B. Operation Code
- C. Protocol Address of sender
- D. Protocol Type
Answer: A,B,C,D
NEW QUESTION 244
The IP addresses of the VLANIF interfaces of the same switch cannot be the same.
- A. False
- B. True
Answer: B
NEW QUESTION 245
After the link authentication is completed, the STA will continue to initiate link service negotiation. Which of the following messages is used to achieve the specific negotiation?
- A. Join
- B. Negotiate
- C. Handshake
- D. Association
Answer: B
NEW QUESTION 246
Which layer of the OSI reference model does the router work at?
- A. Application layer
- B. Transport layer
- C. Data link layer
- D. Network layer
Answer: D
NEW QUESTION 247
A network engineer prompts the following information when entering the command line:
Error: Unrecognized command found at ' ^ ' position. Which of the prompt information is correct?
- A. Input command is not clear
- B. No keyword found
- C. The input command is incomplete
- D. Wrong parameter type
Answer: B
NEW QUESTION 248
How many types of OSPF messages are there?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 249
A company applies for a Class C address segment, which needs to be evenly distributed to 8 subsidiaries. The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments. The subnet mask should be designed as ().
- A. 255.255.255.240
- B. 255.255.255.192
- C. 255.255.255.0
- D. 255.255.255.128
Answer: A
NEW QUESTION 250
Which of the following IPv4 addresses the host uses cannot directly access the Internet?
- A. 200.1.1.1
- B. 10.1.1.1
- C. 100.1.1.1
- D. 50.1.1.1
Answer: B
NEW QUESTION 251
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 be down
- B. RTA will no longer send OSPF packets
- C. RTA will continue to receive, analyze and process OSPF packets sent by RTB
- D. The neighbor relationship between the two routers will not be affected
Answer: B,C,D
NEW QUESTION 252
By default, the bridge priority of Huawei switches is 32768.
- A. False
- B. True
Answer: B
NEW QUESTION 253
Using the ACL shown in the figure on the router RTA to match routing entries, which of the following entries will be matched? (Multiple choice)
- A. 172.16.1.0/24
- B. 172.18.0.0/16
- C. 192.17.0.0/24
- D. 172.16.1.1/32
Answer: B,D
NEW QUESTION 254
As shown in the figure, if host A has the ARP cache of host B, host A can ping host B.
- A. True
- B. False
Answer: B
NEW QUESTION 255
When two OSPF routers form a 2-WAY neighbor relationship, the LSDB has been synchronized.
- A. True
- B. False
Answer: B
NEW QUESTION 256
As shown in the figure below, suppose the MAC address table of SWA is as follows. Now host A sends a data frame with the destination MAC address MAC-B. Which of the following statements is correct?
- A. Forward this data frame only from port G0/0/2
- B. Forward this data frame only from port G0/0/3
- C. Flood this data frame
- D. STA discards the data frame
Answer: A
NEW QUESTION 257
On the switch, which VLANs can be deleted by using the undo command? (Multiple choice)
- A. vlan 4094
- B. vlan 1
- C. vlan 2
- D. vlan 1024
Answer: A,C,D
NEW QUESTION 258
Which of the following statement about the transport layer protocol is correct? (Multiple choice)
- A. TCP establish a connection is a three-way handshake process, TCP terminates the connection will have to go through four-way handshake
- B. UDP uses the STNOACK flag to request and confirm the establishment of a connection
- C. The range of well-known port numbers is 0-1023
- D. UDP is suitable for the transmission of delay-sensitive traffic, and can be reorganized according to the sequence number field in the message header
Answer: A,C
NEW QUESTION 259
What is the main function of the DNS protocol?
- A. Remote access
- B. Mail transmission
- C. File transfer
- D. Domain name resolution
Answer: D
NEW QUESTION 260
The last option field of IPv4 is variable-length optional information. What is the maximum length of this field?
- A. 10B
- B. 20B
- C. 60B
- D. 40B
Answer: B
NEW QUESTION 261
Which of the following port states is not included in the RSTP protocol?
- A. Blocking
- B. Forwarding
- C. Learning
- D. Discarding
Answer: A
NEW QUESTION 262
Before the STA associates with the AP, it needs to exchange some messages to obtain the SSID. What are these messages?
- A. Probe
- B. ResponseProbe Request
- C. Discovery
- D. Beacon
Answer: B
NEW QUESTION 263
Which of the following descriptions are correct about the concept of IEV architecture? (Multiple choice)
- A. VFM. Virtual network function management, responsible for the life cycle management of VNF.
- B. MANO is composed of NFVO.VNFN and VIM.
- C. NFVO (NEV Orchestrator) is responsible for business orchestration.
- D. VIM (Virtualised Infrastructure Manager) virtual resource management, responsible for the virtualization of infrastructure.
Answer: A,B,C,D
NEW QUESTION 264
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. False
- B. True
Answer: B
NEW QUESTION 265
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