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質問 1：
Network switch A and router A are connected by two links. The two links are aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link needs to carry VLAN TAG100 when forwarding data. The switch When A uses a trunk link, which of the following configurations need to be used by switch A? ()
A. 4
B. 5
C. 3
D. 2
正解：A
質問 2：
What is the maximum negotiation rate supported by the IEEE802.11g standard? ()
A. 54Kbps
B. 300Mbps
C. 150Mbps
D. 1200Mbps
正解：A
質問 3：
RTA. Uses NAT technology and realizes many-to-many NAPT address translation by defining an address pool, so that hosts in the private network can access the public network. Assuming that there are only two public network P addresses in the address pool, and they have been assigned to hosts A and B for address conversion, and at this time, if the host also wants to access the public network, the following description is correct ().
A. RTA. Assign interface address (200.10.10.3) to host C. Host C can access the public network
B. All hosts can access the public network by using the public network address in turn
C. HostC.Unable to assign a public network address, and cannot access the public network
D. RTA. Convert the source port of host C., the host can access the public network
正解：D
質問 4：
The WPLS tag header is encapsulated between the data link layer header and the network layer header of the message.
A. False
B. True
正解：B
質問 5：
Which of the following descriptions about the 0SPF area is correct ()*
A. The number range of the area is from 0.0.0.0 to 255.255.255.255
B. Before configuring the OSPF area, you must configure an IP address for the loopback interface of the router
C. The number of the backbone area cannot be 2
D. All networks should be declared in zone 0
正解：A,C
質問 6：
The router needs to modify the destination IP address in the data packet when forwarding the data packet ()
A. False
B. True
正解：A
Network switch A and router A are connected by two links. The two links are aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link needs to carry VLAN TAG100 when forwarding data. The switch When A uses a trunk link, which of the following configurations need to be used by switch A? ()
A. 4
B. 5
C. 3
D. 2
正解：A
質問 2：
What is the maximum negotiation rate supported by the IEEE802.11g standard? ()
A. 54Kbps
B. 300Mbps
C. 150Mbps
D. 1200Mbps
正解：A
質問 3：
RTA. Uses NAT technology and realizes many-to-many NAPT address translation by defining an address pool, so that hosts in the private network can access the public network. Assuming that there are only two public network P addresses in the address pool, and they have been assigned to hosts A and B for address conversion, and at this time, if the host also wants to access the public network, the following description is correct ().
A. RTA. Assign interface address (200.10.10.3) to host C. Host C can access the public network
B. All hosts can access the public network by using the public network address in turn
C. HostC.Unable to assign a public network address, and cannot access the public network
D. RTA. Convert the source port of host C., the host can access the public network
正解：D
質問 4：
The WPLS tag header is encapsulated between the data link layer header and the network layer header of the message.
A. False
B. True
正解：B
質問 5：
Which of the following descriptions about the 0SPF area is correct ()*
A. The number range of the area is from 0.0.0.0 to 255.255.255.255
B. Before configuring the OSPF area, you must configure an IP address for the loopback interface of the router
C. The number of the backbone area cannot be 2
D. All networks should be declared in zone 0
正解：A,C
質問 6：
The router needs to modify the destination IP address in the data packet when forwarding the data packet ()
A. False
B. True
正解：A
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