Free JN0-349 Exam Braindumps
Enterprise Routing and Switching, Specialist Questions 21–25 (page: 6)

Updated On: 9-Feb-2026

Exhibit.


Based on the traceoptions output shown in the exhibit, what is the problem with the adjacency?

  1. authentication mismatch
  2. area mismatch
  3. connectivity
  4. MTU mismatch

Answer(s): B



Which Junos feature allows you to combine multiple interface into a single bundle?

  1. VRRP
  2. Virtual Classis
  3. LAG
  4. NSB

Answer(s): C



How many bytes of overhead are added to packet traversing a GRE tunnel?

  1. 20
  2. 24
  3. 12
  4. 16

Answer(s): B

Explanation:

IP-IP adds 20 bytes of overhead GRE adds 24 bytes of overhead



Click the Exhibit button.


Referring to the exhibit, Router-1 is attempting to form an EBGP session with Router-2. However, BGP routes are never exchanged between Router-1 and Router-2.

What is causing the problem?

  1. The TCP-MSS value is set too low
  2. The EXT group is not configured as an external type BGP peering session
  3. The EBGP session is configured to use the wrong AS
  4. The keep all statement is preventing the session from establishing

Answer(s): C



Click the Exhibit button.



Referring to the exhibit, which router becomes the OSPF DR when all routers are powered on at the same time?

  1. R3
  2. R4
  3. R1
  4. R2

Answer(s): D

Explanation:

OSPF DR
Election: On a broadcast network, DR election takes place based on OSPF router priority. The Priority is set to 128 by default by JUNOS software. In case of a tie, the router with highest router-id is elected the DR.


Reference:

https://sites.google.com/site/amitsciscozone/home/juniper-junos/junos--ospf-designated-router



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