In the network as shown in the figure below, the host has an ARP cache. Which of the following statements is correct? (Multiple Choice)

• A.The following entries exist in the ARP cache of host A 11.0.12.1 MAC-B
• B.Host A and Host B can communicate in both directions
• C.The router needs to be configured with static routing, otherwise host A and host B cannot communicate in both directions
• D.The following entries may exist in the ARP cache of host A, 10.0.12.2 MAC-C

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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 address table is to match the route of the destination network segment with the longest mask
• B.The flow table is variable length. A network device can only have one flow table
• C.The matching method of the flow table is to match the MAC address and IP address of the traffic at the same time
• D.The routing table is of fixed length. A device can only have one public routing table

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On Huawei ARG3 routers, the -i parameter of the Ping command in VRP is used to set ().

• A.Interface for sending Echo Request messages
• B.The source IP address of the Echo Request message
• C.Destination IP address for receiving Echo Reply reply
• D.Interface for receiving Echo Reply messages

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A company applies for a C. address segment, which needs to be evenly distributed to 8 subsidiaries. The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments. The subnet mask should be designed as ( )

• A.255.255.255.192
• B.255.255.255.128
• C.255.255.255.240
• D.255.255.255.0

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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.2.3.4.6,100
• B.1,2.3,100
• C.2.3.100
• D.1,2.3.4.6,100

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