454 Exam Questions for H12-811-ENU Updated Versions With Test Engine
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NEW QUESTION 271
The routing table is shown in the figure. Which of the following statements is correct? (Multiple choice)
- A. The router forwards data packets with the destination IP address 10.0.3.3 from Ethernet0/0/0
- B. The router forwards data packets with the destination IP address 10.0.12.1 from Ethernet0/0/0
- C. The NextHop of the destination network 10.0.3.3/32 is not directly connected, so the router will not forward packets with the destination IP address of 10.0.3.3.
- D. Router from Ethernet0/0/0 forwarding destination IP address 10.0.2.2 packet
Answer: A,B,D
NEW QUESTION 272
As shown in the figure, all four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will it take for the blocked port in the network to enter the forwarding state?
- A. about 30 seconds
- B. about 3 seconds
- C. about 15 seconds
- D. about 50 seconds
Answer: D
NEW QUESTION 273
The device port running STP protocol is in Forwarding state. Which of the following statements is correct?
- A. The port not only does not process BPDU packets, but also does not forward user traffic.
- B. The port not only forwards user traffic but also processes BPDU packets.
- C. The port will build a MAC address table based on the received user traffic, but does not forward user traffic.
- D. The port only receives and processes BPDUs, and does not forward user traffic.
Answer: B
NEW QUESTION 274
The administrator has configured the AR2200 as shown in the figure, then which of the following description of the configuration information is correct?
- A. If the user wants to clear the next startup configuration file of the device configuration, then should select "Y"
- B. The saved configuration file will be replaced by the running configuration file
- C. The next startup file of the device configuration will be retained
- D. If the user wants to clear the next startup configuration file of the device configuration, then should select "N"
Answer: A
NEW QUESTION 275
The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations.
- A. False
- B. True
Answer: A
NEW QUESTION 276
The configuration information of a certain port of the switch is shown in the figure, then the port will strip off the VLAN TAG when sending data frames carrying which VLAN?
- A. 1.4.6
- B. 4.5.6
- C. 1.4.5.6
- D. 4.6
Answer: A
NEW QUESTION 277
If during the PPP authentication process, the authenticatee sends the wrong user name and password to the authenticator, what type of message will the authenticator send to the authenticatee?
- A. Authenticate-Reply
- B. Authenticate-Reject
- C. Authenticate-Nak
- D. Authenticate-Ack
Answer: C
NEW QUESTION 278
Which of the following information prompts will the VRP operating platform use for incomplete input commands?
- A. Error: Wrong parameter found at 'position
- B. Error :Ambiguous command found at' position
- C. Error: Too many parameters found at' position
- D. Error :Incomplete command found at' position
Answer: D
NEW QUESTION 279
Which of the following descriptions of OSPF areas are correct? (Multiple choice)
- A. The number of the backbone area cannot be 2
- B. Before configuring the OSPF area, an IP address must be configured for the loopback interface of the router
- C. All networks should be declared in zone 0
- D. The number range of the area is from 0.0.0.0 to 255.255.255.255
Answer: A,D
NEW QUESTION 280
The configuration information of a certain port of the switch is shown in the figure, then this port carries VLAN TAG when sending data frames carrying which VLAN?
interface GigabitEtherneto/0/1
port hybrid tagged vlan 2 to 3 100
port hybrid untagged vlan 4 6
#
- A. 1,2.3,100
- B. 2.3.4.6,100
- C. 2.3.100
- D. 1,2.3.4.6,100
Answer: C
NEW QUESTION 281
The two switches shown in the figure below have both enabled the STP protocol. Which port will eventually be in the Blocking state?
- A. G0/0/3 port of SWA
- B. G0/0/3 port of SWB
- C. G0/0/2 port of SWB
- D. G0/0/2 port of SWA
Answer: A
NEW QUESTION 282
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? (Multiple Choice)
- A. Improve safety
- B. Improve reliability
- C. Realize load sharing
- D. Increase bandwidth
Answer: B,C,D
NEW QUESTION 283
Which of the following advantages does router-on-a-stick achieve inter-VLAN routing intercommunication?
- A. Reduce the number of equipment
- B. Reduce the use of IP addresses
- C. Reduce the number of link connections
- D. Reduce routing table entries
Answer: C
NEW QUESTION 284
In what state does the OSPF protocol determine the master-slave relationship of DD packets?
- A. Full
- B. ExStart
- C. Exchange
- D. 2-way
Answer: D
NEW QUESTION 285
The output information of the router R1 routing table is shown in the figure. Which of the following statements is correct? (Multiple Choice)
- A. The router will forward data packets whose destination network is 12.0.0.0/8
- B. The data packet whose destination network is 11.0.0.0/8 will be forwarded from the router's GigabitEthernet0/0/0 interface
- C. The router will discard data packets whose destination network is 11.0.0.0/8
- D. The data packet whose destination network is 12.0.0.0/8 will be forwarded from the router's Ethernet070/0 interface
Answer: A,B
NEW QUESTION 286
When planning the campus network, which of the following mask lengths is recommended for device interconnection IP addresses?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 287
The switch receives a unicast data frame. If the destination MAC of the data frame can be found in the MAC table, the data frame will be forwarded from the corresponding MAC port.
- A. False
- B. TRUE
Answer: B
NEW QUESTION 288
When building a campus network, which of the following protocols can be used to avoid Layer 2 loops?
- A. NAT
- B. SNMP
- C. RSTP
- D. OSPF
Answer: C
NEW QUESTION 289
What is the main function of the dynamic routing protocol?
- A. Manage routers
- B. Control router interface status
- C. Generate IP address
- D. Dynamically generate routing entries
Answer: D
NEW QUESTION 290
The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual interface of the VLAN. When the command "display ip interface brief" is used to check the port status, it is found that the VLANIF 10 interface is in the down state. What should be done to restore the VLANIF 10 interface to normal?
- A. Add an interface that must be Up and must be of type Trunk into VLAN 10
- B. Assign any physical interface to VLAN 10
- C. Assign a physical interface that must be Up to VLAN 10
- D. Use the command "undo shutdown" under VLANIF 10 interface
Answer: D
NEW QUESTION 291
Before the STA associates with the AP, it needs to exchange some messages to obtain the SSID. What are these messages?
- A. Beacon
- B. ResponseProbe Request
- C. Probe
- D. Discovery
Answer: B
NEW QUESTION 292
Using a traditional landline to make calls is a way of network communication.
- A. False
- B. True
Answer: B
NEW QUESTION 293
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