Juniper JN0-648 Online Practice Questions and Exam Preparation

Juniper JN0-648 Online Questions & Answers

• Question 21:

  Which statement is correct about MSTP?

  A. MSTP enables mapping multiple independent spanning-tree instances onto one physical topology.
  B. MSTP enables dynamic discovery of Layer 2 neighbors.
  C. MSTP dynamically manages VLAN registration in a LAN.
  D. MSTP uses stacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites.
  A. MSTP enables mapping multiple independent spanning-tree instances onto one physical topology.

• Question 22:

  Which type of BGP is used to peer with a different autonomous system?

  A. external
  B. classless
  C. dynamic
  D. static
  A. external

• Question 23:

  Click the Exhibit button.

  

  The policy shown in the exhibit is applied as an export policy to your BGP neighborship. Which action will be taken for route 12.233.45.5?

  A. It will rejected by term 2.
  B. It will be accepted by term 1.
  C. It will be accepted by the default policy.
  D. It will be evaluated by the next policy.
  B. It will be accepted by term 1.

• Question 24:

  Click the Exhibit button.

  

  Referring to the exhibit, which two statements are true? (Choose two.)

  A. There can be more than one OSPF neighbor on the ge-0/0/1 interface.
  B. There can be more than one OSPF neighbor on the ge-0/0/0 interface.
  C. There is no need for a DR for the ge-0/0/0 interface.
  D. The DR election process is not finished for the ge-0/0/0 interface.
  A. There can be more than one OSPF neighbor on the ge-0/0/1 interface.
  C. There is no need for a DR for the ge-0/0/0 interface.

• Question 25:

  Click the Exhibit button.

  

  YourNet is learning the 210.210.40.0/24 route from Provider A and Provider B. YourNet would like to forward traffic destined to the 210.210.40.0/24 network using Provider B. Referring to the exhibit, how would you accomplish this task?

  A. Add the well-known no-export community to the routes learned through R2.
  B. Add the well-known no-export community to the routes learned through R1.
  C. Apply an export policy to R2's IBGP peers to set a higher local preference.
  D. Apply an export policy to R1's IBGP peers to set a higher local preference.
  C. Apply an export policy to R2's IBGP peers to set a higher local preference.

• Question 26:

  Which two statements are correct about a functional ESI LAG interface? (Choose two.)

  A. The LACP system ID must be the same.
  B. The ESI values must be the same.
  C. The LACP system ID must be different.
  D. The ESI values must be different.
  A. The LACP system ID must be the same.
  B. The ESI values must be the same.

• Question 27:

  Click the Exhibit button.

  

  You are implementing CoS for a custom application that is labeling its packets with DSCP code-point 101111. You have applied the configuration shown in the exhibit, but note that while some custom application traffic ingressing on ge-0/0/1 transits the SRX Series device successfully, packets ingressing all other ge-* interfaces are being dropped.

  Which action should you take to solve this problem?

  A. Apply the rate-limit-ef policer to all ge- interfaces.
  B. Remove the BA classifier from all ge- interfaces.
  C. Configure a scheduler and scheduler map for expedited-forwarding and apply to all interfaces.
  D. Modify the BA classifier to assign code point 101111 to loss priority low.
  D. Modify the BA classifier to assign code point 101111 to loss priority low.

• Question 28:

  Click the Exhibit button.

  

  Referring to the exhibit, how is R5 able to learn the networks that exist within the NSSA?

  A. R5 learns those networks from Type 3 LSAs advertised by R2.
  B. R5 learns those networks from Type 3 LSAs advertised by R3.
  C. R5 does not learn those networks and uses a default route advertised by R3 instead.
  D. R5 does not learn those networks but uses a default route advertised by R2 instead.
  D. R5 does not learn those networks but uses a default route advertised by R2 instead.

• Question 29:

  

  Referring to the exhibit, there are multiple ASM groups in the 224.0.0.0/4 range.

  Which configuration change is needed to ensure R1 is always the RP for group 224.224.1.1?

  A. Set the priority on R1 to zero.
  B. Increase the priority on R1 to higher than R2.
  C. Configure R1 with a higher local RP address.
  D. Ensure R1 has a more specific group range.
  A. Set the priority on R1 to zero.

• Question 30:

  Click the Exhibit button.

  

  Which well-known community needs to be used to restrict 10.0.0.0/8 from being advertised to AS 2?

  A. no-publish
  B. no-advertise
  C. no-export-subconfed
  D. no-export
  D. no-export