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Free JN0-349 Exam Braindumps
Enterprise Routing and Switching, Specialist Questions 36–40 (page: 9)

Updated On: 9-Feb-2026
Page 9 of 21
PDF with 110 Questions

Your network is configured with dynamic ARP inspection (DAI) using the default parameters for all the DHCP and ARP related configurations. You just added a new device connected to a trunk port and configured it to obtain an IP address using DHCP.
Which two statements are correct in this scenario? (Choose two.)

  1. The DHCP server assign the IP addressing information to the new device.
  2. DAI validates the ARP packets for the new device against the DHCP snooping database.
  3. The SRP request and response packets for the new device will bypass DAI.
  4. DHCP snooping adds the DHCP assigned IP address for the device to its database.

Answer(s): A,D


Reference:

https://www.juniper.net/documentation/en_US/junos/topics/concept/port-security-dhcp-snooping- els.html



You configured a GRE that traverses a path using default MTU settings. You want to ensure that packets are not dropped or fragmented.
In this scenario. What is the maximum packet size that would traverse the GRE tunnel?

  1. 1500
  2. 1400
  3. 1524
  4. 1476

Answer(s): D



Click the Exhibit button.


Based on the output shown in the exhibit, which statement is correct?

  1. This switch has been elected as the root bridge
  2. This switch has a bridge priority of 32k
  3. The ge-0/0/15 interface is using the default port cost
  4. The ge-0/0/9 interface is using the default priority value

Answer(s): C



You are adding a new EX4300 member switch to your existing EX4300 Virtual Chassis. However, the new member is not running the same Junos version as the other members.
By default, what is the expected behavior in this scenario?

  1. The virtual Chassis will transition into a brain situation between the existing master Routing Engine and the switch running the different version.
  2. The new switch will be assigned a member ID and then placed in an inactive state.
  3. The new switch will be assigned a member ID and then placed in an inactive state.
  4. The new switch is not recognized by the virtual Chassis.

Answer(s): C


Reference:

https://www.juniper.net/documentation/en_US/junos/topics/concept/virtual-chassis-ex4200- software-automatic-update.html



Exhibit.

***Exhibit is Missing***

Which two statements are correct. (Choose two.)

  1. Route 2001:2244:3311:321:233::.128 has been prepended.
  2. The active path to2001:2244:3311:321:233::.128 will exist using interface irb.433.
  3. Route 2001:2244:3311:321:233::.128 will be advertised to an EBGP peer in AS 62553.
  4. The AS path shows two hops to their IBGP routers within autonomous system 62553.

Answer(s): A,B



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