最新HCIA-Datacom H12-811_V1.0-ENU考試題庫，Huawei H12-811

問題1
Assume that there are four flows a, b, c, and d each of which are 50M, and the total port bandwidth is 100M. Traffic congestion occurs, and congestion management is performed on it. Among them, traffic a belongs to PQ queue scheduling, traffic b, c, and d belong to WFQ queue scheduling, and the weight ratio is 1:2:2. Regarding the description of the scheduling results of the four flows, which is wrong? (Multiple choice)

A. Flow b passes through 25M, flow c and d pass through 12.5M

B. Traffic a passes 100M

C. Traffic a passes 50M

D. Flow b passes through 10M, flow c and d pass through 20M

正確答案: A,B

問題2
ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 20, which statement about this command is correct? (Multiple choice)

A. This route can guide the forwarding of data packets whose destination IP address is 10.0.12.2

B. The priority of this route is 20

C. This route can guide the forwarding of data packets whose destination IP address is 10.0.2.2

D. The Next Hop of this route is 10.0.12.2

正確答案: B,C,D

問題3
The full name of the LER in the MPLS domain is Label Egress Router.

A. False

B. True

正確答案: A

問題4
Which of the following refers to network communication? (Multiple choice)

A. Use a computer to watch videos online

B. Use instant messaging software (such as: QQ, WeChat) to chat with friends

C. Use a computer to visit the company's official website

D. Download emails from the company mailbox to your own computer

正確答案: A,B,C,D

問題5
If two Huawei S5710 switches are interconnected using a 10G optical module, the default working mode of the interconnection port is full duplex.

A. False

B. True

正確答案: B

問題6
The election of the root switch in STP only compares the switch priority, while in RSTP, the switch priority and MAC address are compared at the same time.

A. False

B. True

正確答案: A

問題7
What extension headers are supported by IPv6 packets? (Multiple choice)

A. VLAN extension header

B. Destination Options Extension Header

C. Hop-by-Hop Options Extension Header

D. Fragmentation Extension Header

正確答案: B,C,D

問題8
As shown in the figure below, all switches enable the STP protocol, and keep other configurations in the default state. When the network is stable, which of the following statements is correct? (Multiple choice)

A. SWB is the root bridge in this network

B. Both ports of SWC are in Forwarding state

C. Both ports of SWB are in Forwarding state

D. SWA is the root bridge in this network

正確答案: C,D

問題9
According to the command output shown in the figure, which of the following descriptions is correct? (Multiple choice)

A. GigabitEthernet0/0/1 does not allow VLAN1 to pass through

B. GigabitEthernet0/0/1 allows VLAN1 to pass through

C. If you want to change GigabitEthernet0/0/1 into an Access port, you first need to use the command "undo port trunk allow-pass vlan all"

D. If you want to change GigabitEthernet0/0/1 into an Access port, you first need to use the command "undo port trunk allow-pass vlan 2 to 4094"

正確答案: B,D

問題10
How many ways does VRP support to configure the router? (Multiple choice)

A. Configure the router through the mini USB port

B. Configure the router through Telnet

C. Configure the router through the Console port

D. Configure the router via FTP

正確答案: A,B,C

問題11
Which statement about the dynamic MAC address table is correct? (Multiple choice)

A. By checking the number of specified dynamic MAC address entries, you can get the number of users communicating on the interface

B. After the device restarts, the previously saved entries will not be lost

C. The dynamic MAC entries obtained through learning the source MAC address in the packet will age out

D. After the device restarts, the previous dynamic entries will be lost

正確答案: A,C,D

問題12
If two switches use manual link aggregation at the same time, which of the following statement is wrong?

A. Close the G0/0/1 and G0/0/2 ports on switch B, and the Eth-Trunk status is still UP

B. Only close the G0/0/1 port on switch B, and the Eth-Trunk status is still UP

C. Only close the G0/0/2 port on switch B, and the Eth-Trunk status is still UP

D. Close the G0/0/1 and G0/0/2 ports on switch B, and the Eth-Trunk status is down

正確答案: A

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