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Juniper JN0-349 Exam Questions
Enterprise Routing and Switching, Specialist (Page 3 )

Updated On: 21-Feb-2026
Page 3 of 21
PDF with 110 Questions

You want to configure Layer 2 services over an IP-based tunneling mechanism between two sites. Which configuration statement is required to accomplish this task?

  1. Set interface gr-0/0/0.0 family bridge
  2. Set interface ip-00/0/0.0 encapsulation valn-bridge
  3. Set interfaces gr—0/0/0.0 encapsulation vlan-bridge
  4. Set interface ip-0/0/0.0 family bridge

Answer(s): A



You are enabling dynamic ARP inspection on an EX4300 switch Which service is enabled by default in this scenario?

  1. DHCP snooping
  2. persistent MAC learning
  3. MAC limiting
  4. IP Source Guard

Answer(s): A



Which two routers belong to the 172.16.0.0/22 aggregate route? (Choose two.)

  1. 172.16.4.0/24
  2. 172.16.0.0/24
  3. 172.16.5.0/24
  4. 172.16.3.0/24

Answer(s): B,D



What are two reasons for configuring more than one VLAN on a switch? (Choose two.)

  1. A group of clients requires that security be applied to traffic entering or exiting the group's devices
  2. A group of devices must forward traffic across a WAN.
  3. A group of devices are connected to the same Layer 3 network.
  4. A group of clients requires that the group's devices receive less broadcast traffic than they are currently receiving

Answer(s): A,D



Which two statements are correct regarding the root bridge election process when using ST P? (Choose two)

  1. A lower system MAC address is preferred
  2. A higher bridge priority is preferred
  3. A lower bridge priority is preferred
  4. A higher system MAC address is preferred

Answer(s): A,C






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