JN0-351 practice questions 91–100

1. Question 91 · 105 in bank

   Which statement is correct about GRE tunnels?

   • AThe time-to-live field in the tunnel payload is decremented during transit.
   • BGRE tunnels only support encapsulating non-IP traffic.
   • CThere are 20 bytes of overhead with GRE encapsulation.
   • DGRE tunnels only support encapsulating IP traffic.

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   Answer: A

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2. Question 92 · 105 in bank

   You are using tunnels in your network. It is important that the routes be specific enough to ensure that the tunnels are established. You need to prevent a route that is new to the network from being used. In this scenario, which type of route should be used?

   • Amulticast
   • Baggregate
   • Cstatic
   • Danycast

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   Answer: C

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3. Question 93 · 105 in bank

   Select 2

   What are two purposes of an aggregate route? (Choose two.)

   • Ato allow external peers to see internal routes
   • Bto hide internal routes from external peers
   • Cto increase the number of route advertisements
   • Dto decrease the number of route advertisements

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   Answer: BD

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4. Question 94 · 105 in bank

   

   You have configured a GRE interface, but no traffic will flow. Referring to the exhibit, which statement is true?

   • AThe IP subnet mask cannot be a /32.
   • BThe unit number cannot be 0.
   • CThe source and destination addresses cannot have the same third octet.
   • DThe gr-1/2/0 interface is an invalid GRE interface.

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   Answer: A

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5. Question 95 · 105 in bank

   You are configuring a router as a new Level 1 router in an existing Level 1 area. The NET address for an existing Level 1 router is 49.0011.1111.2222.3333.00. The new router must form a Level 1 adjacency with the existing router. What should be the area ID in this scenario?

   • A49
   • B00
   • C3333
   • D0011

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   Answer: D

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6. Question 96 · 105 in bank

   Select 2

   

   Which two actions are performed by the firewall filter shown in the exhibit? (Choose two.)

   • AFrames with the 88:05:00:29:3c:de source MAC address are accepted and logged.
   • BFrames without the 88:05:00:29:3c:de source MAC address are discarded and logged.
   • CAll traffic is permitted.
   • DTerm two requires a from statement.

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   Answer: AC

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7. Question 97 · 105 in bank

   Select 2

   Which two multicast IP addresses are used for link-state update packets? (Choose two.)

   • A224.0.0.6
   • B224.0.0.5
   • C224.0.0.10
   • D224.0.0.9

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   Answer: AB

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8. Question 98 · 105 in bank

   Your GRE tunnel is not transitioning to the Up status. What would be the first step in troubleshooting the problem?

   • AVerify tunnel endpoint reachability.
   • BVerify that the status of the management interface is up.
   • CVerify the status of the management routing instance.
   • DVerify that the routing instance for GRE tunnels is created.

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   Answer: A

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9. Question 99 · 105 in bank

   Select 2

   Which two statements are correct about IS-IS? (Choose two.)

   • AIS-IS uses IPv6 as its transport protocol in the Junos OS implementation.
   • BIS-IS has two metric types and Junos sends both by default.
   • CIS-IS sends a maximum metric value of 63 by default.
   • DIS-IS only allows you to configure two areas.

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   Answer: BC

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10. Question 100 · 105 in bank

    What is the default hello interval on an OSPF interface?

    • A10 seconds
    • B20 seconds
    • C30 seconds
    • D60 seconds

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    Answer: A

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JN0-351 practice, question 91. 105 questions available.