Refer to the exhibit:

Router 1 was experiencing a DDoS attack that was traced to interface gjgabitethernet0/1.
Which statement about this configuration is true?

• A.Router 1 accepts source addresses that have a match in the FIB that indicates it is reachable through a real interface
• B.Router 1 accepts all traffic that ingresses and egresses interface gigabitethernet0/1
• C.Router 1 accepts source addresses on interface gigabitethemet0/1 that are private addresses
• D.Router 1 drops all traffic that ingresses interface gigabitethernet0/1 that has a FIB entry that exits a different interface

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Which two tasks must an engineer perform when implementing LDP NSF on the network? (Choose two.)

• A.Disable Cisco Express Forwarding.
• B.Enable NSF for EIGRP.
• C.Enable NSF for the link-state routing protocol that is in use on the network.
• D.Implement direct connections for LDP peers.
• E.Enable NSF for BGP.

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Refer to the exhibits:

R1 and R2 are directly connected and IS-IS routing has been enabled between R1 and R2 R1 message periodically Based on this output, which statement is true?

• A.IS-IS neighbor authentication is failing for Level 1 PDUs only
• B.IS-IS neighbor authentication is failing for Level 2 PDUs only.
• C.1S-1S neighbor authentication is failing for Level 1 and Level 2 PDUs .
• D.IS-IS neighbor authentication is failing for Level 2 first and then for Level 1 PDUs

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Refer to the exhibit:

When implementing an LDP protocol, an engineer experienced an issue between two directly connected routers and noticed that no LDP neighbor exists for 1.1.1.1.
Which factor should be the reason for this situation?

• A.R2 sees the wrong type of hellos from R1
• B.R2 does not see any hellos from R1
• C.LDP needs to be enabled on the R2 physical interface
• D.LDP needs to be enabled on the R2 loopback interface

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Refer to the exhibit.

An engineer is implementing Auto-RP and reviewing the configuration of the PE-A.
Which configuration permits Auto-RP messages to be forwarded over this interface?

• A.PE-A(config-if)#ip pim sparse-dense-mode
• B.PE-A(config-if)#ip igmp version 3
• C.PE-A(config-if)#no ip pim bsr-border
• D.PE-A(config-if)#ip pim sparse-mode

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