Free Juniper JN0-648 Exam Dumps Questions & Answers

Exhibit.

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

You are asked to deploy 802.1X on your EX Series switches. You need to ensure authenticated devices continue to have access to the network even if the authentication server fails.
Which action meets this configuration objective?

• A.  Configure the static MAC bypass for the authentication server.
• B.  Configure the server fail fallback with a value of sustain.
• C.  Set the reauthentication interval to a value of disable.
• D.  Set the reauthentication interval to a value of 0.

What information is contained in an OSPF LSA header? (Choose two.)

• A.  length
• B.  subnet mask
• C.  protocol
• D.  options

You have an IPv4 multicast network configured as PIM-SM.
What must be done before replacing your static RP with auto-RP?

• A.  Configure auto-RP domains on each router in the network.
• B.  Enable each router in the network to forward multicast packets.
• C.  Configure each router in the network as a candidate BSR.
• D.  Enable sparse-dense mode on each of the routers in the network.

Exhibit.

Referring to the exhibit, a RMSM network is set up to enable communication between multicast devices.
Which statement is true in this scenario?

• A.  After the formation of the shortest-path tree, a prune message is sent from R1 to R2.
• B.  After the formation of the shortest-path tree, a join message is sent from R1 to R5
• C.  After the formation of the shortest-path tree, a join message is sent from R2 to R1.
• D.  After the formation of the shortest-path free, a prune message is sent from R1 to R5.