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Free JN0-363 Exam Braindumps
Service Provider Routing and Switching, Specialist (JNCIS-SP) Questions 6–10 (page: 3)

Updated On: 9-Feb-2026
Page 3 of 20
PDF with 94 Questions

How does a Junos device learn about MAC addresses when it is first connected to an Ethernet LAN?

  1. The device sends out a network multicast message asking for all devices and MAC addresses on the network and stores this information in addition to the interface from which the response was received.
  2. The device sends out a network broadcast message asking for all devices and MAC addresses on the network and stores this information in addition to the interface from which the response was received.
  3. The device learns the destination MAC addresses from traffic in the network and stores this MAC address in addition to the interface from which the traffic was received.
  4. The device learns the source MAC addresses from traffic in the network and stores this MAC address in addition to the interface from which the traffic was received.

Answer(s): D



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

  1. By default, an IS-IS interface has a maximum metric value of 1023.
  2. Wide metrics enable IS-IS interface to have a maximum metric value of around 16 million.
  3. Wide metrics enable an IS-IS interface to have a maximum metric value of 1023.
  4. By default, an IS-IS interface has a maximum metric value of 63.

Answer(s): A,B



Which two statements are correct about BGP? (Choose two.)

  1. IBGP neighbors must use the same AS number.
  2. By default, the TTL on product-related packets for external neighbors is set to 1.
  3. EBGP neighbors must use the same AS number.
  4. By default, the TTL on protocol-related packets for internal neighbors is set to 1.

Answer(s): A,B



Click the Exhibit button.


Referring to the exhibit, what will happen to untagged frames?

  1. The untagged frames are associated with VLAN 10.
  2. The untagged frames are dropped.
  3. The untagged frames are load balanced between VLAN 10 and VLAN 20.
  4. The untagged frames are associated with VLAN 20.

Answer(s): D



An OSPF router does not have a router ID configured.
In this scenario, which statement is correct about the router ID?

  1. The Junos OS will use the IP address assigned to the interface with the lowest MAC address.
  2. The Junos OS will use the IP address assigned to the loopback interface for the router ID.
  3. A router ID will not be assigned until it is manually configured.
  4. The Junos OS will use the IP address assigned to the interface with the highest priority.

Answer(s): B



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