What is the range of VLAN ID that users can use? ()

• A.0-4095
• B.0-4096
• C.1-4096
• D.1-4094

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There are hosts in a private network that need to access 1nternet. In order to achieve this requirement, which of the following configurations should be done by the administrator on the edge router of the network? ()*

• A.DHCP
• B.STP
• C.Default route
• D.NAT

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As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? () (Single-choice question)

• A.R1 and R2 can establish a stable OSPF neighbor relationship
• B.As long as the interface network type of R1 is restored to the default broadcast type, R1 and R2 can establish a stable neighbor relationship
• C.As long as the interface network type of R1 is restored to the default broadcast type, and the hello time is adjusted to 10s, R1 and R2 can establish a stable neighbor relationship
• D.R1 is more likely to become DR than R2, because its interface DR priority value is smaller

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The configuration information of a certain interface of the router is shown in the figure. Which VILAN data packet can this port receive? () interface Gigabit Ethernet 0/0/2.30 dotlq terainatlon viD.100 ip address 10.0.21.1 255.255.255.0 arp broadcast enable

• A.30
• B.100
• C.1
• D.20

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What is wrong in the following statement about the main functions of the router?

• A.Forwarding according to the source IP address of the received data packet
• B.Guide data forwarding according to the routing table
• C.Realize mutual communication between devices on the same network segment
• D.Establish routing tables through multiple protocols

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