JN0-664 practice questions 61–70

1. Question 61 · 95 in bank

   Click the Exhibit button.

   

   CE-1 must advertise ten subnets to PE-1 using BGP. Once CE-1 starts advertising the subnets to PE-1, the BGP peering state changes to Active. Referring to the CLI output shown in the exhibit, which statement is correct?

   • ACE-1 is unreachable.
   • BThe prefix limit has been reached on PE-1.
   • CCE-1 is advertising its entire routing table.
   • DCE-1 is configured with an incorrect peer AS.

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   Answer: B

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2. Question 62 · 95 in bank

   Click the Exhibit button.

   

   Referring to the exhibit, the PE-to-CE protocol being used is OSPF for the L3VPN. Also, there is an OSPF neighborship between CE-1 and CE-2. Which statement is correct in this situation?

   • AYou must set a high metric on the CE-1 to PE-1 link for hosts at Site-1 to use the CE-1 to CE-2 link to reach hosts at Site-2.
   • BYou must set a high metric on the CE-1 to CE-2 link for hosts at Site-1 to use the L3VPN to reach hosts at Site-2.
   • CHosts at Site-1 will reach hosts at Site-2 through the CE-1 and CE-2 link by default.
   • DHosts at Site-1 will reach hosts at Site-2 through the L3VPN by default.

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   Answer: C

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3. Question 63 · 95 in bank

   Click the Exhibit button.

   

   You are troubleshooting an issue for a customer site that uses 10.10.0.0/24 in AS 65224, but you see another AS in the AS path. Referring to the exhibit, what is the cause of the problem?

   • AAS 65000 is pre-pending AS 65137 to route advertisements.
   • BThe local AS is in the process of withdrawing the route from AS 65137.
   • CAS 65137 is advertising the 10.10.0.0/24 prefix.
   • DThe local AS is receiving two equal cost routes to 10.10.0.0/24.

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   Answer: C

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4. Question 64 · 95 in bank

   Select 2

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   You are attempting to summarize routes from the 203.0.113.128/25 IP block on R8 to AS 64500. You implement the export policy shown in the exhibit and all routes from the routing table stop being advertised. In this scenario, which two steps would you take to summarize the route in BGP? (Choose two.)

   • AReplace exact in the export policy with orlonger.
   • BRemove the from protocol bgp command from the export policy.
   • CAdd the set protocols bgp family inet unicast add-path command to allow additional routes to the RIB tables.
   • DAdd the set routing-options aggregate route 203.0.113.128/25 command.

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   Answer: BD

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5. Question 65 · 95 in bank

   Which statement is true regarding BGP FlowSpec?

   • AIt is used to protect a network from denial-of-service attacks dynamically.
   • BIt uses dynamically created routing policies to protect a network from denial-of-service attacks.
   • CIt uses a remote triggered black hole to protect a network from a denial-of-service attack.
   • DIt verifies that the source IP of the incoming packet has a resolvable route in the routing table.

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   Answer: A

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6. Question 66 · 95 in bank

   Click the Exhibit button.

   

   The environment is using BGP. All devices are in the same AS with reachability redundancy. Referring to the exhibit, which statement is correct?

   • APeering is dynamically discovered between all devices.
   • BRR2 is in an OpenConfirm State until RR1 becomes unreachable.
   • CRR1 is peered to Client2 and RR2.
   • DClient1 is peered to Client2 and Client3.

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   Answer: C

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7. Question 67 · 95 in bank

   Select 2

   In which two ways does OSPF prevent routing loops in multi-area networks? (Choose two.)

   • AAll areas are required to connect as a full mesh.
   • BAll areas are required to connect to area 0.
   • CThe LFA algorithm prunes all looped paths within an area.
   • DThe SPF algorithm prunes looped paths within an area.

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   Answer: BD

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8. Question 68 · 95 in bank

   Select 2

   Click the Exhibit button.

   

   Referring to the exhibit, which two statements are correct about BGP routes on R3 that are learned from the ISP-A neighbor? (Choose two.)

   • AThe next-hop value for these routes Is changed by ISP-A before being sent to R3.
   • BAll BGP attribute values must be removed before receiving the routes.
   • CThe BGP local-preference value that is used by ISP-A is not advertised to R3.
   • DBy default, the next-hop value for these routes is not changed by ISP-A before being sent to R3.

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   Answer: AC

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9. Question 69 · 95 in bank

   You are configuring a BGP signaled Layer 2 VPN across your MPLS enabled core network. In this scenario, which statement is correct?

   • AYou must use the same route-distinguisher value on both PE devices.
   • BYou must assign a unique site number to each attached site's configuration.
   • CThis type of VPN only supports Ethernet interfaces when connecting to CE devices.
   • DThis type of VPN requires the support of the inet-vpn NLRI on all core BGP devices.

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   Answer: B

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10. Question 70 · 95 in bank

    Click the Exhibit button.

    

    Referring to the exhibit, you are receiving the 192.168.0.0/16 route on both R3 and R4 from your EBGP neighbor. You must ensure that R1 and R2 receive both BGP routes from the route reflector. In this scenario, which BGP feature should you configure to accomplish this behavior?

    • Aadd-path
    • Broute-target
    • Cmultipath
    • Dmultihop

    Show answer

    Answer: A

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JN0-664 practice, question 61. 95 questions available.