[May 02, 2023] Latest H12-811 PDF Dumps & Real Tests Free Updated Today
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NEW QUESTION # 146
In what state does the OSPF protocol determine the master-slave relationship of DD packets?
- A. Full
- B. Exchange
- C. ExStart
- D. 2-way
Answer: D
NEW QUESTION # 147
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 # 148
As shown in the figure below, which of the following statements are correct?
- A. Host A and Host B cannot obtain each other's MAC address
- B. The following entry 10.0.12.5 MAC-B exists in the ARP cache of host A
- C. Host A can ping host B
- D. The broadcast address of host A and host B are the same
Answer: A
NEW QUESTION # 149
On the VRP platform, what is the role of the command "interface vlanit <vlan-id>" ?
- A. Create or enter VLAN virtual interface view
- B. Configure VLAN for a port
- C. No such command
- D. Create a VLAN
Answer: A
NEW QUESTION # 150
As shown in the network below, all switches enable STP protocol. Disable SWA's G0/0/2 port configuration BPDU sending function, SWC G0/0/1 re-converges to become the root port, about this process, which of the following statements are correct? (Multiple Choice)
- A. SWA sends configuration BPDU with TC set
- B. SWC sends TCN BPDU message to SWB
- C. SWB forwards TCN BPDU to SWA
- D. SWB sends configuration BPDU with TCA set to SWC
Answer: A,B,C,D
NEW QUESTION # 151
Which of the following IEEE 802.11 standards support operation in the 5GHz frequency band? (Multiple choice)
- A. 802.11g
- B. 802.11n
- C. 802.11a
- D. 802.11ac
Answer: C,D
NEW QUESTION # 152
The classic network forwarding method is based on router routing table forwarding. The forwarding method of OpenFlow switches is based on flow table forwarding. Which of these two forwarding methods are correct? (Multiple Choice)
- A. The matching method of the flow table is to match the MAC address and IP address of the traffic at the same time
- B. The routing table is of fixed length. A device can only have one public routing table
- C. The matching method of the address table is to match the route of the destination network segment with the longest mask
- D. The flow table is variable length. A network device can only have one flow table
Answer: A,B,C
NEW QUESTION # 153
In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops?
- A. VRRP
- B. STP
- C. UDP
- D. ARP
Answer: B
NEW QUESTION # 154
The administrator plans to implement route backup by configuring static floating routes, what is the correct way to achieve this?
- A. The administrator needs to configure different protocol priority values for the main static route and the standby static route
- B. The administrator needs to configure different TAGs for the main static route and the standby static route
- C. The administrator needs to configure different metric values for the main static route and the standby static route
- D. The administrator only needs to configure two static routes
Answer: A
NEW QUESTION # 155
There are multiple route entries to the same destination network in the routing table. These routes are called:
- A. Sub-optimal routing
- B. Default route
- C. Equal cost routing
- D. Multi-path routing
Answer: C
NEW QUESTION # 156
In order to join the wireless network STA needs to obtain wireless network information first. Which of the following messages is used by the STA to actively obtain the SSID information?
- A. Beacon
- B. Discovery
- C. Probe
- D. Join
Answer: C
NEW QUESTION # 157
Complete the ACL configuration shown in the figure on the router RTA, which of the following description is correct?
- A. Configuration error, the sequence number of the rules must be configured from small to large
- B. The VRP system will adjust the sequence number of the first rule to 5 according to the configuration sequence
- C. The VRP system will first match the rule by numbering in sequence deny source 20.1.1.0 0.0.0.255
- D. 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
Answer: C
NEW QUESTION # 158
VRP supports OSPF multi-process. If the process number is not specified when 0SPF is enabled, the process number used by default is ().
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 159
How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 160
Broadly speaking, which of the following does the transmission medium that constitutes the wireless local area network wlan not include?
- A. Laser
- B. Infrared
- C. Radio waves
- D. Ray
Answer: D
NEW QUESTION # 161
Which of the following are related to the purpose of encapsulation and decapsulation? (Multiple choice)
- A. Shorten the length of the message
- B. Interworking between different networks
- C. Encapsulation and decapsulation can complete network fault location
- D. Encapsulation and decapsulation are important steps to realize different protocol functions
Answer: B,D
NEW QUESTION # 162
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. Compare device priority
- C. Only compare interface numbers
- D. Only compare interface priority
Answer: A
NEW QUESTION # 163
Which of the following levels is not a common network level in mid-sized campus network architecture?
- A. Access layer
- B. Network layer
- C. Core layer
- D. Convergence layer
Answer: B
NEW QUESTION # 164
The network administrator uses Ping to test the connectivity of the network. Which of the following protocols may be used in this process? (Multiple choice)
- A. ARP
- B. ICMP
- C. UDP
- D. TCP
Answer: A,B
NEW QUESTION # 165
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