The router running the OSPF protocol can reach the FULL state after completing the LSDB synchronization.

• A.True
• B.False

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The network structure and OSPF partition is shown in the following figure, in addition to RTA, router RTB, RTC and RTD are ABR routers.

• A.TRUE
• B.False

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In order to join the wireless network STA needs to obtain wireless network information first. Which of the following messages is used by the STA to actively obtain the SSID information?

• A.Beacon
• B.Probe
• C.Join
• D.Discovery

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The administrator has configured the router as shown in the figure, then what IP address can a host connected to the G1/0/0 interface of the router obtain through DHCP?

• A.The IP address obtained by the host may belong to the 10.10.10.0/24 network, or it may belong to the 10.20.20.0/24 network
• B.The host cannot obtain an IP address
• C.The IP address obtained by the host belongs to the 10.20.20.0/24 network
• D.The IP address data obtained by the host 10.10.10.0/24

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The configuration information of a interface of the router is shown in the figure, then which VILAN data packet can this port receive?
interface Gigabit Ethernet 0/0/2.30
dot1q terainat1on vid 100
ip address 1o.o.21.1 255.255.255.0
arp broadcast enable

• A.1
• B.20
• C.100
• D.30

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