Juniper JN0-648 Online Practice Questions and Exam Preparation

Juniper JN0-648 Online Questions & Answers

• Question 61:

  Click the Exhibit button.

  

  You are configuring the PVLAN feature on your switches. The PVLAN will span the two EX Series switches shown in the exhibit. Which three configuration parameters must be enabled on the ports connecting the two switches? (Choose three.)

  A. family inet
  B. family ethernet-switching
  C. inter-switch-link
  D. interface-mode trunk
  E. interface-mode access
  B. family ethernet-switching
  C. inter-switch-link
  E. interface-mode access

• Question 62:

  You have multiple BGP routes to the same prefix with equal local-preference values and AS-path lengths. In this scenario, which route will be preferred in the route selection process?

  A. The route with the least preferred origin value.
  B. The route with the lowest MED value.
  C. The route with the most preferred origin value.
  D. The route with the highest MED value.
  C. The route with the most preferred origin value.

• Question 63:

  You notice a mass withdrawal of routes for some of the network hosts. You determine that the link on the ESI interface is down. Which route type is used in this scenario?

  A. Type 2
  B. Type 3
  C. Type 1
  D. Type 5
  C. Type 1

• Question 64:

  Click the Exhibit button.

  

  Referring to the exhibit, you must advertise the 100.0.0.0/16 routes from AS1 to AS2, but R2 is not advertising any BGP routes to R5. Why is this happening in this scenario?

  A. The IBGP routes will not be advertised because you must use a policy to advertise IBGP routes.
  B. The IBGP routes are not active and EBGP will advertise only active routes.
  C. The IBGP routes will not be advertised because the AS path shows as incomplete.
  D. The IBGP routes are not active because the next hop is not reachable.
  B. The IBGP routes are not active and EBGP will advertise only active routes.

• Question 65:

  Click the Exhibit button.

  

  You recently implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2. What must be done to allow these community devices to communicate?

  A. You must configure an isolation VLAN ID under the vlan-pri VLAN on the AS-2 switch.
  B. You must configure the ge-0/0/10 interface on AS-1 as the inter-switch link
  C. You must configure the ge-0/0/1 interface on both switches as the inter-switch links.
  D. You must configure an isolation VLAN ID under the vlan-pri VLAN on both switches.
  C. You must configure the ge-0/0/1 interface on both switches as the inter-switch links.

• Question 66:

  Which protocol is used for port-level access control and authentication?

  A. MD5
  B. IPsec
  C. 802.1X
  D. AES
  C. 802.1X

• Question 67:

  Click the Exhibit button.

  

  You are troubleshooting a route problem in the topology shown in the exhibit. The 10.30.0.0/24 route is not reachable from the R3 router. What would cause this problem?

  A. R3 does not have an established BGP session with R4.
  B. R3 does not have a route to the BGP next hop of 10.30.0.0/24.
  C. R4 is not advertising the 10.30.0.0/24 route to R3.
  D. R3 does not have an OSPF route for 10.30.0.0/24.
  B. R3 does not have a route to the BGP next hop of 10.30.0.0/24.

• Question 68:

  Click the Exhibit button.

  

  Referring to the exhibit, the source is currently sending multicast traffic using group 224.1.1.1, which is being received by R1. R2 is not receiving PIM register messages. What would be the cause of this problem?

  A. Tunnel services have not been enabled on R1.
  B. All routers have not been configured with the same Auto-RP discovery group.
  C. R5 has not received an IGMP report of 224.1.1.1.
  D. A(*,G) tree has not been built yet.
  C. R5 has not received an IGMP report of 224.1.1.1.

• Question 69:

  Which EVPN route type is used for fast convergence and for advertising the split horizon label?

  A. Type 4
  B. Type 2
  C. Type 5
  D. Type 1
  D. Type 1

• Question 70:

  What is the correct authentication processing order on EX Series switches when multiple Layer 2 authentication methods are enabled?

  A. MAC RADIUS -> 802.1X -> captive portal
  B. 802.1X -> MAC RADIUS -> captive portal
  C. 802.1X -> captive portal -> MAC RADIUS
  D. captive portal -> MAC RADIUS -> 802.1X
  B. 802.1X -> MAC RADIUS -> captive portal