On the MSR router, you can see the following display in the routing table:
Destination/Mask Proto Pre Cost NextHop Interface
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.96.0/19 Direct 0 0 192.168.120.153 S6/0
Then the correct description of the route with the destination address of 192.168.96.0/19 is ______.

• A.The next hop of the router, that is, the IP address of the peer device is 192.168.120.153
• B.This is a manually configured static route with a metric value of 0
• C.This is a direct route with a metric value of 0
• D.The interface IP address of S6/0 on this router is 192.168.120.153

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The three MSR routers RTA, RTB, and RTC are connected to the same frame relay network through their respective S1/0 interfaces. This frame relay network can provide enough PVC resources. As a network engineer, you need to assign IP addresses to these frame relay interfaces.
Which of the following statements is incorrect?

• A.If transit through any router is not allowed, at least three IP subnets are required to realize the two-by-two intercommunication of the three routers through this frame relay network
• B.If transit through any router is not allowed, at least two IP subnets are required to enable three routers to communicate with each other through this frame relay network
• C.Under the premise of correct routing configuration, three routers can communicate through this frame relay network with only one IP subnet.
• D.Under the premise of correct routing configuration, three routers can communicate through this frame relay network without configuring sub-interfaces.

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Xiao L is a senior IP network expert, determined to develop a new dynamic routing protocol. Which of the following should be included in the working process of a routing protocol? (multiple choice) (multiple choice)

• A.Maintain and update routing
• B.Switch routing
• C.Calculate route
• D.Found neighbors

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The WAN interface S0/0 of the customer's two routers MSR-1 and MSR-2 uses the PPP protocol, and the routers learn the routes from each other by configuring RIP. The following configuration is available on MSR-1: rip 1 network 0.0.0.0 import -route static # ip route-static 0.0.0.0 0.0.0.0 Serial0/0 Then the wrong explanation about this configuration is ______.

• A.By configuring MSR-1 as above, the default route can be dynamically advertised to the peer through RIP
• B.RIP imports the statically configured default route and advertises it to MSR-2
• C.Through the above configuration, MSR-1 will not dynamically advertise the default route to the peer through RIP
• D.RIP 1 in the configuration means that the configured RIP version is V1

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The customer's network is composed of two MSR routers interconnected, and the RIPv1 protocol is running between the two MSRs. The dynamic route learning has been completed and the remote route has been learned. Now the customer will modify RIPv1 to RIPv2, then the following will happen What are the possible changes? (multiple choices)

• A.The mask length of the remote route learned on the router may change
• B.The routing entries in the routing table on the router may change
• C.The way the router sends RIP packets may change
• D.The time interval for sending RIP update packets on the router will change

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