Most UptoDate Huawei H12-811_V1.0 Exam Dumps PDF 2022
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NEW QUESTION 185
VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configuration commands but cannot operate the file system?
- A. Management level
- B. Monitoring level
- C. Access level
- D. Configuration level
Answer: D
NEW QUESTION 186
The Layer 2 Ethernet switch generates entries in the MAC address table according to the () of the Ethernet frame received by the port.
- A. Destination IP address
- B. Destination MAC address
- C. Source MAC address
- D. Source IP address
Answer: C
NEW QUESTION 187
Which of the following statements about link aggregation in manual load balancing mode is correct?
- A. In manual load sharing mode, all active interfaces participate in data forwarding and share load traffic
- B. The number of active ports can be configured in manual load sharing mode
- C. In manual load sharing mode, devices at both ends of the link send LACP packets to each other
- D. There can only be 4 active ports in manual load sharing mode
Answer: A
NEW QUESTION 188
If the ipv4 address of a host in the LAN is 192.168.1.1/30, which of the following IP addresses will be processed by the host as the destination address?
- A. 192.168.1.2
- B. 255.255.255.255
- C. 192.168.1.1
- D. 192.168.1.3
Answer: B,C,D
NEW QUESTION 189
The figure shows the display startup information of the R2200 router, about these information. What is wrong is.
- A. The system file at the next startup of the device can be modified with the command "startup system software <startup-software-name>"
- B. The running configuration file is not saved
- C. The system file used for this startup of the device is ar2220-v200r00300spc200.cc
- D. The system file cannot be modified the next time the device is started
Answer: D
NEW QUESTION 190
Trunk port can allow multiple vlans to pass, including vlan 4096.
- A. True
- B. False
Answer: B
NEW QUESTION 191
On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages.
- A. True
- B. False
Answer: B
NEW QUESTION 192
What is wrong about the ARP message?
- A. ARP reply message is sent by unicast party
Any link layer protocol needs ARP protocol to assist in obtaining data link layer identification - B. ARP packets cannot be forwarded to other broadcast domains
- C. ARP request message is sent by broadcast
Answer: C
NEW QUESTION 193
Which of the following IPv6 addresses is a link local address?
- A. FE80::2E0:FCFF:FEEF:FEC
- B. 2000::2E0:FCFF:FEEF:FEC
- C. FF02::2E0:FCFF:FEEF:FEC
- D. FC00::2E0:FCFF:FEEF:FEC
Answer: A
NEW QUESTION 194
If the Length/Type of an Ethernet data frame is equal to 0x8100, what might be the payload of this data frame?
- A. UDP data
- B. ARP packet
- C. TCP data segment
- D. ICMP message
Answer: A,B,C,D
NEW QUESTION 195
Which of the following IEE802.11 standards support operation in the 2.4GH and 5GH frequency bands?
- A. 802.11g
- B. 802.11ac
- C. 802.11n
- D. 802.11ax
Answer: C,D
NEW QUESTION 196
The CAPWAP protocol specifies the communication standard between AC and AP. Which of the following statements about the CAPWAP protocol is correct?
- A. AP can encapsulate the user's data message in CAPWAPI and forward it to AC
- B. CAPWAP is an application layer protocol based on TCP transmission
- C. In order to establish a CAPWAP tunnel, FIT AP can only discover AC through broadcast messages
- D. In order to reduce the burden on A, CAPWAP uses a tunnel to transmit control messages and data messages at the same time
Answer: A
NEW QUESTION 197
As shown in the following figure, the ports of switch A and switch B connecting to the host belong to VLAN
10 and VL.AN 20, respectively. The switch interconnection port type is Trunk. PVID is 10 and 20 respectively. Which of the following statements are correct?
- A. Host A and Host B belong to different VLANs and cannot ping each other
- B. Do not carry VLAN TAG when forwarding data frames sent by the host between switches
- C. Host A and Host B can be pinged
- D. The ARP request from host A cannot be forwarded to host B
Answer: B,C
NEW QUESTION 198
What are the characteristics of VLAN based on ports?
- A. Assign VLAN ID according to the protocol type and encapsulation format of the data frame
- B. Add VLAN tags to the data frame according to the IP address carried in the message
- C. The moving position of the host needs to reconfigure the VLAN
- D. Do not need to reconfigure the host moving position
Answer: C
NEW QUESTION 199
The function of OSPF's hello message is ().
- A. Neighbor Discovery
- B. Synchronize router LSDB
- C. Update LSA information
- D. Maintain neighbor relations
Answer: A,D
NEW QUESTION 200
In the network shown in the figure below, Router A uses manual mode link aggregation, and adds G0/0/1 and G0/0/2 ports to aggregation group 1. What is wrong about the status of Router A's aggregation port 1?
- A. Turn off the G0/0/1 and G0/0/2 ports of Router B at the same time, and Eth-Trunk 1 protocol up
- B. Only close the G0/0/2 port of Router B, and Eth-Trunk 1 protocol up
- C. Only disable port G0/0/1 of Router B, and Eth-Trunk 1 protocol up
- D. Turn off the G0/0/1 and G0/0/2 ports of Router B at the same time, and Eth-Trunk 1 protocol down
Answer: A
NEW QUESTION 201
Before the STA associates with the AP, it needs to exchange some messages to obtain the SSID. What are these messages?
- A. Discovery
- B. Beacon
- C. Probe Request
- D. Probe Response
Answer: C,D
NEW QUESTION 202
The user cannot configure the VLAN ID to 0.
- A. True
- B. False
Answer: A
NEW QUESTION 203
Complete the ACL configuration shown in the figure on the router RTA, the following description is correct.
- A. The VRP system will not adjust the sequence number, but will first match the rule permit source
20.1.1.0 0.0.0.255 - B. The VRP system will match the rule first in sequence numbering deny source 20.1.1.0 0.0.0.255
- C. The VRP system will adjust the sequence number of the first rule to 5 according to the configuration sequence.
- D. Configuration error, the sequence number of the rules must be configured from small to large
Answer: B
NEW QUESTION 204
If the network address of a network is 192.168.1.0. Then its broadcast address must be 192.168.1.255.
- A. True
- B. False
Answer: B
NEW QUESTION 205
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