Free JN0-349 Exam Braindumps
Enterprise Routing and Switching, Specialist Questions 26–30 (page: 7)

Updated On: 9-Feb-2026

Which statement is correct about trunk ports?

  1. Trunk ports mast have an IRB assigned to accept VLAN tagged traffic
  2. By default, trunk ports accept only VLAN tagged traffic
  3. By default, a trunk port can have only a single VLAN assigned
  4. Trunk ports must have an IRB assigned to accept untagged traffic.

Answer(s): B



Click the Exhibit button.



Referring to the output shown in the exhibit, which two statements are true?

  1. The route is active
  2. The route is not active
  3. The route is a generate route
  4. The route is an aggregate route

Answer(s): B,C



Which two requirements must be satisfied before graceful restart work? [Choose two)

  1. a stable network topology
  2. a neighbor configured with BfD
  3. a neighbor configured with graceful restart
  4. a neighbors with an uptime greater than an hour

Answer(s): A,C

Explanation:

The primary drawback to GR is the need for protocol extensions and helper support in neighboring routers, and a stable network topology. If any neighbors do not support GR, or if other changes occur in the network, GR ends up aborting and loss results in the dataplane. Even when all goes to plan and the GR event succeeds, which means there is zero loss in the data plane, there is still control plane flap and a subsequent need for protocol reconvergence between the restarting router and its helpers, ...


Reference:

https://www.oreilly.com/library/view/juniper-mx-series/9781449358143/ch09s03.html



You need to a new ESXi host connected to port ge-0/0/1. One of the VMs configured with VLAN 10 is not reachable from any other device on the switch. To troubleshoot, you decide to verify of the VMs MAC address is learned properly under VLAN 10.
Which command would you use in this scenario?

  1. Show Ethernet-switching table vlan-id 10
  2. Show interfaces ge-0/01 detail
  3. Show vlans 10
  4. Monitor interface ge-0/01

Answer(s): A



What is the default BGP group type on a Junos device?

  1. Internal
  2. External
  3. Multihop
  4. null

Answer(s): B



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