The networking is shown in the figure, RTA and RTB are route reflectors, RTC and RTD are route reflector clients, and RTC and RTD need to learn BGP routes from each other. How should I plan?

• A.RTA and RTB are configured with the same cluster-id, RTC and RTA establish iBGP neighbor relationship, RTD and RTB establish iBGP neighbor relationship
• B.RTA and RTB are configured with different cluster-ids, RTC and RTB establish iBGP neighbor relationship, RTD and RTA establish iBGP neighbor relationship
• C.RTA and RTB are configured with different cluster-ids, RTC and RTB establish iBGP neighbor relationship, RTD and RTA establish iBGP neighbor relationship
• D.RTA and RTB configure the same cluster-id, RTC and RTA establish iBGP neighbor relationship, RTD and RTA establish iBGP neighbor relationship

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The networking is as shown in the figure, RTA and RTB are located in AS 1001, RTC, RTD and RTE are located in AS 1002, AS 1001 advertises the BGP route 11.11.11.0/24 to AS 1002, the main configuration of BGP of RTC and RTD is as follows, if RTE, RTC The interconnect link is interrupted, RTE accesses the 11.11.11.0/24 network segment, which WAN link is prioritized?
RTC]
bgp 1002
preference 20 170 200
peerRTA as-number 1001
peerRTD as-number 1002
peerRTA route-policsetmed import
route-policsetmed permit node 10
applcost 100
RTD]
bgp 1002
preference 20 170 200
peerRTB as-number 1001
peerRTC as-number 1002
peerRTA route-policsetmed import
route-policsetmed permit node 10
applcost 200

• A.Priority passes through WAN link 1, because eBGP routes on RTC have priority.
• B.Priority passes through WAN link one, because MED 100 of RTC < MED 200 of RTD
• C.Priority goes through wide area link two, because MED 200 of RTD > MED 100 of RTC.
• D.Priority goes through the WAN link 2, because the eBGP route on the RTD has priority.

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The advantages of modular network architecture include ______. (Choose one or more)

• A.It replaces the traditional hierarchical network model, which facilitates network planning and deployment.
• B.It is allowed to dynamically call IT resources through an open interface to achieve a standard, compatible, safe, intelligent and manageable IT application environment.
• C.Each module can be planned and deployed separately, and network functions can be added or removed by adding or deleting modules, which is conducive to building a complex network.
• D.Allow different application functions or application systems to share data, resources and capabilities, and participate in business processes.

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Drag and drop

• A.0.0.0.0/0
• B.2.2.2.2/32
• C.1.1.1.1/32
• D.3.3.3.3/32

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In the topology shown in the figure, the following configurations are performed on RTA, RTB, RTC and RTD:
RTA-LoopBack0] ip address 1.1.1.1 255.255.255.255
RTA]ospf 1
RTA-ospf-1]area 1
RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTA-ospf-1]import-route direct
RTB-LoopBack0] ip address 2.2.2.2 255.255.255.255
RTB]ospf 1
RTB-ospf-1]area 1
RTB-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1]area 0
RTB-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-LoopBack0] ip address 3.3.3.3 255.255.255.255
RTC]ospf 1
RTC-ospf-1]area 0
RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-ospf-1-area-0.0.0.0]area 2
RTC-ospf-1-area-0.0.0.2]nssa default-route-advertise no-summarRTC-ospf-1-area-0.0.0.2]network
30.0.0.0 0.0.0.255
RTC-ospf-1]import-route direct
RTD-LoopBack0] ip address 4.4.4.4 255.255.255.255
RTD]ospf 1
RTD-ospf-1]area 2
RTD-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
RTD-ospf-1-area-0.0.0.2]nssa
RTD-ospf-1]import-route direct
Which of the following routes may exist in the RTD routing table _______.

• A.3.3.3.3/32
• B.2.2.2.2/32
• C.1.1.1.1/32
• D.0.0.0.0/0

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