Latest [Oct 23, 2022] Real Huawei H12-811_V1.0 Exam Dumps Questions
H12-811_V1.0 Dumps To Pass HCIA-Datacom Exam in One Day (Updated 701 Questions)
NEW QUESTION 101
Which of the following descriptions about the 0SPF area is correct ()*
- A. All networks should be declared in zone 0
- B. The number range of the area is from 0.0.0.0 to 255.255.255.255
- C. Before configuring the OSPF area, you must configure an IP address for the loopback interface of the router
- D. The number of the backbone area cannot be 2
Answer: B,D
NEW QUESTION 102
Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()
- A. 172.16.255.254/24
- B. 172.32.1.1/24
- C. 192.168.1.1/24
- D. 10.255.255.254/24
Answer: D
NEW QUESTION 103
An AR2200 router needs to restore the initial configuration, which of the following operations are necessary? ()*
- A. Restart the AR2200 router
- B. Re-specify the configuration file to be loaded at the next startup
- C. Reset saved.configuration
- D. Clear current configuration
Answer: A,C
NEW QUESTION 104
The following statement about the TTL field in the IP packet header is correct. ()
- A. Each time a P packet passes through a router, its TTL value will be reduced by 1
- B. TTL defines the number of packets that the source host can send
- C. Each time an IP packet passes through a router, its TTL value is increased by 1
- D. TTL defines the time interval at which the source host can send data packets
Answer: A
NEW QUESTION 105
Which of the following fields is not included in the HELL0 packet of the OSPF protocol?
- A. Nei ghbor
- B. Network HA.sk
- C. sysname
- D. He11 oInt erval
- E. He11 oInt erval
Answer: C
NEW QUESTION 106
What is correct about the SNMP protocol?
- A. SNMP protocol uses multicast to send management messages
- B. The SNMP protocol only supports sending management messages on the Ethernet link
- C. SNMP uses UDP as the transport layer protocol
- D. SNMP uses ICMP as the network layer protocol
Answer: C
NEW QUESTION 107
What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? ()*
- A. can be realized IP address reuse
- B. avoid IP address conflict
- C. When the configuration information changes (such as DNS), only the administrator needs to modify it on the DHCP server, which is convenient for unified management
- D. Heavy workload and difficult to manage
Answer: A,B
NEW QUESTION 108
Which statement about the dynamic AC. address table is correct?
- A. After the device restarts, the previously saved entries will not be lost
- B. The dynamic MAC obtained through the source AC. Address learning in the message. The table entries will age
- C. By viewing the number of specified dynamic MAC. address table entries, you can get the number of users communicating under the interface. After the device restarts, the previous dynamic table entries will be lost
- D. After the device restarts, the previous dynamic entries will be lost
Answer: B,D
NEW QUESTION 109
You can manually specify the source address or source interface of the CAPWAP tunnel on the AC. ()
- A. False
- B. True
Answer: B
NEW QUESTION 110
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()
- A. Achieve load sharing
- B. Improve safety
- C. Improve reliability
- D. Increase bandwidth
Answer: A,C,D
NEW QUESTION 111
Only the WPA2-PSK security policy supports the use of TKIP for data encryption.
- A. True
- B. False
Answer: B
NEW QUESTION 112
The transmission rate of an Eth-Trunk port in manual link aggregation mode is related to ().
- A. Number of member ports
- B. Is the member port on the public network or on the private network
- C. Is an IP address configured on the member port
- D. Bandwidth of member ports
Answer: A,D
NEW QUESTION 113
After the network administrator uses the TracertRoute function on the router device, in the data packet sent by the router, the value of the Protocol field in the IPv4 header is?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 114
Which statement about the 0SPF protocol DR is correct? ()
- A. DR must be the highest priority device in the network
- B. An interface priority is 0, then the interface cannot be a DR
- C. DR election is preemptive
- D. Router ID, the larger the value, the more preferred it is to be elected as DR
Answer: B
NEW QUESTION 115
The config mode is the default ACL matching order on Huawei devices.
- A. False
- B. True
Answer: B
NEW QUESTION 116
In the OSI reference model, what can complete end-to-end error detection and flow control is ()
- A. data link layer
- B. Network layer
- C. Transport layer
- D. Physical layer
Answer: C
NEW QUESTION 117
When deploying ACL on Huawei equipment, which of the following descriptions is correct is ().*
- A. ACL can match the TCP/UDP port number of the packet, and can specify the range of port numbers
- B. When ACL defines rules, it can only proceed in the order of 10, 20, 30
- C. The same ACL can be called under multiple interfaces
- D. ACL cannot be used to filter OSPF traffic, because OSPF traffic does not use UDP protocol encapsulation
- E. When calling ACL under the interface, it can only be applied to the outbound direction
Answer: A,C
NEW QUESTION 118
The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field? ()
- A. 20B
- B. 10B
- C. 60B
- D. 40B
Answer: A
NEW QUESTION 119
As shown in the figure below, what kind of network equipment can host A and host B use to communicate? () (Single-choice question)
- A. router
- B. Layer 2 switch
- C. Hub
- D. HUB
Answer: A
NEW QUESTION 120
What to do when the Trunk port sends data frames?
- A. When the VLAN ID is different from the PVID of the port, replace it with PVID forwarding
- B. When the VLAN ID is different from the PVI ID of the port, strip off the TAG for forwarding
- C. When VLAN ID is the same as the PVID of the port, and it is the VLAN ID allowed by the port, remove the Tag and send the message
- D. When the VLAN ID is different from the P? ID of the port, the data frame is discarded
Answer: C
NEW QUESTION 121
The administrator wants to configure the P address on the G0/0/0 interface of the router. Which of the following addresses is correct?
- A. 127.3.1.4/28
- B. 237.6.1.2/24
- C. 192.168.10.112/30
- D. 145.4.2.55/26
Answer: D
NEW QUESTION 122
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