JN0-664 practice questions 41–50

1. Question 41 · 95 in bank

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   PE-1 and PE-2 are configured with LDP-signaled pseudowires to provide connectivity between CE-1 and CE-2. You notice no connectivity exists between CE-1 and CE-2. Referring to the exhibit, which two statements describe potential causes for this fault? (Choose two.)

   • AThere is no LSP configured from PE-1 to PE-2.
   • BInterface ge-0/0/0 on PE-1 is down.
   • CThe VC IDs are mismatched.
   • DThere is no LSP configured from PE-2 to PE-1.

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   Answer: CD

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2. Question 42 · 95 in bank

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   Which two statements are correct about reflecting inet-vpn unicast prefixes in BGP route reflection? (Choose two.)

   • AClients add their originator ID when advertising routes to their route reflector.
   • BRoute reflectors add their cluster ID to the AS path when readvertising client routes.
   • CRoute reflectors do not change any existing BGP attributes by default when advertising routes.
   • DA BGP peer does not require any configuration changes to become a route reflector client.

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   Answer: CD

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3. Question 43 · 95 in bank

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   Which three statements about IS-IS in a multi-area network are correct? (Choose three.)

   • AInternal L1 PDUs are flooded to all L1 routers in other areas.
   • BExternal L2 PDUs are only flooded to the local area’s L2 routers.
   • CInternal L1 PDUs are flooded to the local area’s L2 routers.
   • DExternal L2 PDUs are flooded to all L2 routers in other areas.
   • EInternal L1 PDUs are only flooded to the local area's L1 routers.

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   Answer: CDE

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4. Question 44 · 95 in bank

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   Which two statements describe PIM-SM? (Choose two.)

   • ARouters without receivers must periodically prune themselves from the SPT.
   • BTraffic is only forwarded to routers that request to join the distribution tree.
   • CTraffic is initially flooded to all routers and an S,G is maintained for each group.
   • DRouters with receivers send join messages to their upstream neighbors.

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   Answer: BD

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5. Question 45 · 95 in bank

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   A network is using IS-IS for routing. In this scenario, why are there two TLVs shown in the exhibit?

   • AThere are both narrow and wide metric devices in the topology.
   • BBoth IPv4 and IPv6 are being used in the topology.
   • CWide metrics have specifically been requested.
   • DThe interface specified a metric of 100 for L2.

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   Answer: A

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6. Question 46 · 95 in bank

   You are asked to protect your company's customers from amplification attacks. In this scenario, what is Juniper's recommended protection method?

   • AASN prepending
   • BBGP FlowSpec
   • Cdestination-based Remote Triggered Black Hole
   • Dunicast Reverse Path Forwarding

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   Answer: D

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7. Question 47 · 95 in bank

   Click the Exhibit button.

   

   You have an OSPF environment. You have recently added a router called R4 that is directly connected to R1 and R2. You discover that R4 is only peering with R2. Referring to the exhibit, how would you correct the peering?

   • AAdjust the Hello Interval on R1 and R2 to match the Hello Interval on R4.
   • BChange the MTU size on R1 and R2 to be 22 bytes higher than R4's MTU size.
   • CAdjust the Dead Interval on R4 to match the Dead Interval on R1 and R2.
   • DAdjust the Priority on R1 to be lower than the Priority on R4.

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   Answer: A

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8. Question 48 · 95 in bank

   What is the correct order of packet flow through configurable components in the Junos OS CoS features?

   • AMultifield Classifier -> Behavior Aggregate Classifier -> Input Policer -> Forwarding Policy Options -> Fabric Scheduler -> Output Policer -> Rewrite Marker -> Scheduler/Shaper/RED
   • BBehavior Aggregate Classifier -> Multifield Classifier -> Input Policer -> Forwarding Policy Options -> Fabric Scheduler -> Output Policer -> Scheduler/Shaper/RED -> Rewrite Marker
   • CBehavior Aggregate Classifier -> Input Policer -> Multifield Classifier -> Forwarding Policy Options -> Fabric Scheduler -> Output Policer -> Scheduler/Shaper/RED -> Rewrite Marker
   • DBehavior Aggregate Classifier -> Multifield Classifier -> Input Policer -> Forwarding Policy Options -> Fabric Scheduler -> Scheduler/Shaper/RED -> Output Policer -> Rewrite Marker

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   Answer: B

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9. Question 49 · 95 in bank

   Select 3

   Click the Exhibit button.

   

   Referring to the exhibit, which three statements are correct about route 10.0.0.0/16 when using the default BGP advertisement rules? (Choose three.)

   • AR2 will advertise 10.0.0.0/16 to R4 with 172.16.1.1 as the next hop.
   • BR2 will advertise 10.0.0.0/16 to R3 with 192.168.1.1 as the next hop.
   • CR1 will advertise 10.0.0.0/16 to R2 with 192.168.1.1 as the next hop.
   • DR1 will prepend AS 65531 when advertising 10.0.0.0/16 to R2.
   • ER4 will advertise 10.0.0.0/16 to R6 with 172.16.1.1 as the next hop.

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   Answer: ACE

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10. Question 50 · 95 in bank

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    In IS-IS. which two statements are correct about the designated intermediate system (DIS) on a multi-access network segment? (Choose two.)

    • AOn the multi-access network, each router forms an adjacency to every other router on the segment.
    • BOn the multi-access network, each router only forms an adjacency to the DIS.
    • CA router with a priority of 1 wins the DIS election over a router with a priority of 10.
    • DA router with a priority of 10 wins the DIS election over a router with a priority of 1.

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    Answer: AD

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JN0-664 practice, question 41. 95 questions available.