JN0-351 practice questions 61–70

1. Question 61 · 105 in bank

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   What are two characteristics of RSTP alternate ports? (Choose two.)

   • ARSTP alternate ports block traffic while receiving superior BPDUs from a neighboring switch.
   • BRSTP alternate ports provide an alternate lower cost path to the root bridge.
   • CRSTP alternate ports provide an alternate higher cost path to the root bridge.
   • DRSTP alternate ports are active ports used to forward frames toward the root bridge.

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   Answer: AC

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2. Question 62 · 105 in bank

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   Which two statements are true about the default VLAN on Juniper switches? (Choose two.)

   • AThe default VLAN is set to a VLAN ID of 1 by default
   • BThe default VLAN ID is not assigned to any interface.
   • CThe default VLAN ID is not visible.
   • DThe default VLAN ID can be changed.

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   Answer: AD

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3. Question 63 · 105 in bank

   

   You have configured a GRE tunnel. To reduce the risk of dropping traffic, you have configured a keepalive OAM probe to monitor the state of the tunnel; however, traffic drops are still occurring. Referring to the exhibit, what is the problem?

   • AFor GRE tunnels, the OAM protocol requires that the BFD protocols also be used.
   • BThe "event link-adjacency-loss" option must be set
   • CLLDP needs to be removed from the gr-1/1/10.1 interface.
   • DThe hold time value must be two times the keepalive-time value

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   Answer: D

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4. Question 64 · 105 in bank

   

   You want to redistribute the static routes into BGP, but they do not show as BGP routes. What causes this result to occur?

   • AThe static routes do not have a valid next hop.
   • BThe as-path parameter must be specified.
   • CA community string must be configured.
   • DThe no-readvertise feature is specified.

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   Answer: D

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5. Question 65 · 105 in bank

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   Which two statements are correct about link aggregation? (Choose two.)

   • AIP traffic is hashed using source and destination MAC addresses.
   • BMember links must use the same MTU.
   • CAll RE-generated traffic traverses the lowest member link.
   • DLAGs provide physical layer redundancy.

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   Answer: BD

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6. Question 66 · 105 in bank

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   Which two statements about MACsec are true? (Choose two.)

   • AMACsec functions on point-to-multipoint connections.
   • BMACsec is an IEEE standard.
   • CMACsec functions on point-to-point connections.
   • DMACsec does not provide data integrity.

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   Answer: BC

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7. Question 67 · 105 in bank

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   You are combining two existing interfaces into a single LAG interface, but you do not see the LAG interface being created. Which two actions are required to solve this problem? (Choose two.)

   • AEnsure that the first LAG interface name is ae1.
   • BEnsure that LAG is enabled on the chassis.
   • CEnsure that LAG is enabled on each member interface.
   • DEnsure that the first LAG interface name is ae0.

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   Answer: BD

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8. Question 68 · 105 in bank

   You enable persistent MAC learning on your Juniper switch. In this scenario, which statement is correct?

   • AYou can only enable persistent MAC learning on an interface on which 802.1x authentication is configured.
   • BYou can enable persistent MAC learning on an interface where MAC learning is disabled.
   • CYou can enable persistent MAC learning on an interface that is part of a redundant trunk group.
   • DYou can only enable persistent MAC learning on an interface in access mode.

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   Answer: D

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9. Question 69 · 105 in bank

   You are deploying a trunk port with multiple VLANs. In this scenario, which statement is true about the native VLAN?

   • AThe native VLAN is the highest tagged VLAN ID on the port.
   • BThe native VLAN must be the default VLAN on the port.
   • CThe native VLAN is an untagged VLAN ID on the port.
   • DThe native VLAN is automatically configured through DHCP.

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   Answer: C

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10. Question 70 · 105 in bank

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    In addition to the MAC addresses, what information is stored in the bridging table? (Choose two.)

    • Aether type details
    • BMAC learned time
    • Cinterface details
    • Dpreamble of Ethernet packet

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    Answer: BC

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JN0-351 practice, question 61. 105 questions available.