試験準備には欠かさないトップクラスのHuawei H12-811試験学習ガイド練習問題最新版
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質問 # 38
The MAC address table of existing switches is shown in the figure. Which of the following statement is correct?
- A. The MAC address 5489-9885-18a8 is manually configured by the administrator
- B. The MAC address 5489-989d-1d30 is manually configured by the administrator
- C. The MAC address 5489-9811-0b49 is manually configured by the administrator
- D. After the switch restarts, all MAC addresses need to be relearned
正解：C
質問 # 39
The Priority field in the VLAN tag can identify the priority of the data frame. What is the scope of this priority? ()
- A. 0-3
- B. 0-15
- C. 0-7
- D. 0-63
正解：C
質問 # 40
In the network shown in the figure below, all routers run the OSPF protocol, and the link cost value is shown in the figure. What is the cost value of the route entry to the network 10.0.0.0/8 in the RTA routing table?
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
質問 # 41
Which of the following statements about Prefix Segment is wrong?
- A. Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective
- B. Prefix Segment can be automatically allocated by IGP
- C. Prefix Segment is used to identify a destination address prefix in the network (Prefix)
- D. Prefix Segment needs to be configured manually
正解：B
質問 # 42
Which fields in the IPv4 header are related to fragmentation? ()*
- A. TTL
- B. Flags
- C. Fragment Offset
- D. Identification
正解：B、C、D
質問 # 43
PAP authentication is more secure than CHAP authentication because it does not carry passwords in clear text
- A. True
- B. False
正解：B
質問 # 44
Which field of the ipv6 packet header can be used for QoS? ()
- A. Next Header
- B. Version
- C. TraffiC.Class
- D. PayloaD.Length
正解：C
質問 # 45
The IPv6 address 2001: ABEF:2240E:FFE2:BCC0:CD0:DDBE:8D58 cannot be abbreviated. ()
- A. False
- B. True
正解：B
質問 # 46
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
正解：B
質問 # 47
Which of the following is not included in the VRP system login method? ()
- A. Netstream
- B. Telnet
- C. SSH
- D. web
正解：A
質問 # 48
Which of the following methods can read data non-blocking in Python's telnetliB.? ()
- A. telnet_reaD._very_eager
- B. telnet._read_eager
- C. telnet_Read_all
- D. telnet_read_very_lazy
正解：B
質問 # 49
On Huawei routers, what is the default value of the OSPF protocol internal routing priority? ()
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
質問 # 50
Which planes of the following does a network device have? (Multiple choice)
- A. Business plane
- B. Control plane
- C. Data plane
- D. Management plane
正解：B、C
質問 # 51
In the network shown in the figure below, there are the following configurations in Router A.
Which of the following statements is correct?
ip route-statiC.10.0.2.2255.255.255.25510.0.12.2iP
Route-statiC.10.0.2.2255.255.255.25510.0.21.2pre ference 70
- A. The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.12.2
- B. If the G0/0/1 port is Down, the route NextHap from Router A to 10.0.2.2 is changed to 10.0.21.2
- C. If the G0/0/2 port is Down, then Router A reaches 10.0.2.2. The route NextHop. is changed to
10.012.2 - D. The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.21.2
正解：A、B
質問 # 52
The device port running STP protocol is in Forwarding state. Which of the following statements is correct?
- A. The port not only forwards user traffic but also processes BPDU packets.
- B. The port not only does not process BPDU packets, but also does not forward user traffic.
- 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.
正解：A
質問 # 53
Which of the following commands to configure the default route is correct? ()
- A. (Huawei-serialO)ip route-statiC.0.0.0.0 0. 0.0.00.0.0.0
- B. (Huawei)ip route-statiC.0.0.0.0 0.0.0.0 192.168.1.1
- C. (Huawei)ip route-statiC.0.0.0.0 0.0.0.0 0.0.0.0
- D. (Huawei)ip route-statiC.0.0.0.0 255.255.255.255192.168.1.1
正解：B
質問 # 54
Which of the following descriptions about the switch is wrong?
- A. Switches generally work at the data link layer
- B. The switch can provide network access services for terminal devices (PC/server)
- C. The switch can complete the exchange of data frames
- D. The switch is generally used as the export equipment of the network
正解：D
質問 # 55
If the broadcast address of a network is 172.16.1.255, then its network address may be ().
- A. 172.86.1.253
- B. 172.16.2.0
- C. 172.16.1.128
- D. 172.16.1.1
正解：C
質問 # 56
Trunk ports can allow multiple VLANs to pass, including VLAN4096.
- A. True
- B. False
正解：B
質問 # 57
According to the command shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
- A. GigabitEthernet (PVID of port 0/0/1 is 1
- B. GigabitEthernet (the pVID of port 0/0/2 is 10
- C. GigabitEthernet (PVD of port 0/0/1 is 10
- D. The pVD of the GigabitEthernet0/0/2 port is 1
正解：C、D
質問 # 58
In the network shown in the figure below, the host has an ARP cache, and host A sends a packet to host B.
What are the destination MAC and destination IP of this packet?
- A. MAC-B,11.0.12.1
- B. MAC-C,10.0.12.2
- C. MAC-A,11.0.12.1
- D. MAC-D,11.0.12.1
正解：D
質問 # 59
The broadcast address is a special address in which the host bits in the network address are all set to 1, and it can also be used as a host address.
- A. True
- B. False
正解：B
質問 # 60
The network shown in the figure below assumes that all routers can enable OSPF at the same time. Which router is the DR in this network? () (Single-choice question)
- A. Router D
- B. Router C
- C. Router A
- D. Router B
正解：D
質問 # 61
Which of the following description about the Layer 2 Ethernet switch is incorrect?
- A. It is necessary to make certain modifications to the layer 3 header of the forwarded message, and then forward it
- B. Layer 2 Ethernet switches work at the data link layer
- C. Able to learn MAC address
- D. Forward according to the Layer 2 header information of the Ethernet frame
正解：A
質問 # 62
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問題集練習試験問題学習ガイドはH12-811試験で使える：https://drive.google.com/open?id=1iZ662E9aO7xYEFHepM7_G7zo2_JDqd9v