Juniper JN0-349 - Enterprise Routing and Switching, Specialist (JNCIS-ENT) Exam

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Total 95 questions

Your BGP router receives routes from two upstream ISPs: ISP A and ISP B.
In this scenario, which change would you make to prefer routes from ISP A?

  • A. Set the local-preference attribute for all routes received from ISP A to 200 while all routes received from ISP B use the default local-preference value of 100.
  • B. Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.
  • C. Change the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value.
  • D. Set the local-preference attribute for all routes received from ISP A to 50 while all routes received from ISP B use the default local-preference value of 100.


Answer : A

Each PC and IP phone in your network is connected to a switch using the same port. All incoming data traffic is untagged and belongs to the v10 VLAN, while traffic coming from the IP phones is tagged with a VLAN value of 20 and should belong to the v20 VLAN on your switch.
In this scenario, which statement is correct?

  • A. You must enable the voice VLAN feature on the incoming interfaces and assign the v20 VLAN.
  • B. You must enable an IRB interface and assign it to the v10 and v20 VLANs.
  • C. You must enable LLDP-MED on the incoming interfaces and assign the v20 VLAN.
  • D. You must enable the guest VLAN feature on the incoming interfaces and assign the v20 VLAN.


Answer : A

What are three reasons a BGP route would be hidden? (Choose three.)

  • A. The AS Path contains a 0.
  • B. It is suppressed by a damping policy.
  • C. The Local Preference is 0.
  • D. The next hop is unreachable.
  • E. It is rejected by a firewall term.


Answer : ABD

Click the Exhibit button.

You have an ESXi host that is connected to ge-0/0/23 on a Juniper EX Series switch. You added a new VM that will also use the same ge-0/0/23 interface. Unfortunately, the new VM is not able to reach external devices.
Referring to the exhibit, which command would solve this problem?

  • A. set vlans default switch-options interface-mac-limit 4
  • B. set vlans default switch-options interface-mac-limit 5
  • C. set switch-options interface ge-0/0/23.0 interface-mac-limit 3
  • D. clear ethernet-switching recovery-timeout interface ge-0/0/23.0


Answer : C

Click the Exhibit button.

A routing table contains multiple BGP routes to the same destination prefix. The route preference is the same for each route.
Referring to the exhibit, which route would be selected?

  • A. route A
  • B. route B
  • C. route C
  • D. route D


Answer : B

Page:    1 / 19   
Total 95 questions