Which two components are needed for a service provider to utilize the LVPN MPLS application? (Choose two.)

• A.The P routers must be configured for MP-iBGP toward the PE routers
• B.The P routers must be configured with RSVP.
• C.The PE routers must be configured for MP-iBGP with other PE routers
• D.The PE routers must be configured for MP-eBGP to connect to CEs
• E.The P and PE routers must be configured with LDP or RSVP

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Exhibit:

Which action resolves the authentication problem?

• A.Configure the user name on the TACACS+ server
• B.Configure the UDP port 1812 to be allowed on the TACACS+ server
• C.Configure the TCP port 49 to be reachable by the router
• D.Configure the same password between the TACACS+ server and router.

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An engineer configured Reverse Path Forwarding on an interface and noticed that the routes are dropped when a route lookup fails on that interface for a prefix that is available in the routing table Which interface configuration resolves the issue?

• A.ip verify unicast source reachable-via rx
• B.ip verify unicast source reachable-via any
• C.ip verify unicast source reachable-via allow-default
• D.ip verify unicast source reachable-via 12-src

Correct Answer: B

According to this question, uRPF is running in strict mode because packets are dropped even when that route exists in the routing table. Maybe packets are dropped because the receiving interface is different from the interface the local router uses to send packets to that destination.
The ip verify unicast source reachable-via rx command enables Unicast RPF in strict mode.
To enable loose mode, administrators can use the any option (ip verify unicast source reachable-via any). In loose mode, it doesn't matter if we use this interface to reach the source or not.

The allow-default option allows the use of the default
route in the source verification process.

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Refer to the exhibit.

Which interface configuration must be configured on the spoke A router to enable a dynamic DMVPN tunnel with the spoke B router?

• A.Option C
• B.Option A
• C.Option D
• D.Option B

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Refer to the exhibit.

The OSPF routing protocol is redistributed into the BGP routing protocol, but not all the OSPF routes are distributed into BGP Which action resolves the issue?

• A.Include the word external in the redistribute command
• B.Use a route-map command to redistribute OSPF external routes defined in an access list
• C.Include the word internal external in the redistribute command
• D.Use a route-map command to redistribute OSPF external routes defined in a prefix list.

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