Juniper JN0-647 問題集

質問 1：
Click the Exhibit.

Referring to the exhibit, you are receiving multiple routes from ISP3 through two EBGP neighbors. You must ensure that all traffic leaving R1 destined to the networks advertised by ISP3 go through ISP2.
What should you do on R1 to accomplish this task?
A. Create and apply an import policy to set the route preference on routes learned from ISP2 to be lower than those learned from ISP1.
B. Create and apply an import policy to set the local preference on routes learned from ISP2 to be lower than those learned from ISP1.
C. Create and apply an import policy to set the local preference on routes learned from ISP2 to be higher than those learned from ISP1.
D. Create and apply an import policy to set the route preference on routes learned from ISP2 to be higher than those learned from ISP1.
正解：C

質問 2：
Click the exhibit.

Referring to the exhibit, traffic handled by the s-1 scheduler is out of profile.
Assuming bandwidth is available in this scenario, which statement is correct?
A. Traffic handled by the s-1 scheduler is serviced immediately after traffic being serviced by the s-2 scheduler.
B. Traffic handled by the s-1 scheduler is serviced immediately before traffic being serviced by the s-2 scheduler.
C. Traffic handled by the s-1 scheduler is serviced immediately before traffic being serviced by the s-4 scheduler.
D. Traffic handled by the s-1 scheduler is serviced immediately after traffic being serviced by the s-4 scheduler.
正解：A

質問 3：
Click the Exhibit.

The Receiver is attempting to join two different groups, one from each source. You want to endure that load balancing is taking place.
Referring to the exhibit, which statement is true?
A. R3 must have join-load-balance configured under protocol PIM.
B. R4 must have join-load-balance configured under protocol PIM.
C. R1 must have join-load-balance configured under protocol PIM.
D. R2 must have join-load-balance configured under protocol PIM.
正解：B

質問 4：
A new PoE+VoIP handset was added to an EX Series device. The handset is experiencing connectivity issues.
The EX Series device's committed configuration includes the set PoE interface all telemetry command. You look at the telemetry log in the device to review power consumption and you notice entries have not been occurring for days.
What would cause telemetry logging to stop?
A. Telemetry logging stops when all reserved power for PoE has been consumed.
B. Telemetry logging only occurs for one hour by default.
C. Telemetry logging stops when the logging file reaches 128 KB.
D. Telemetry logging only works on Enhanced PoE VoIP handsets.
正解：B

質問 5：
Your enterprise network is providing layer 2 connectivity between remote-sites using Q-in-Q tunneling. A customer wants to ensure their connection through your network is also participating in their spanning free topology. In this scenario, which solution must be used?
A. you must configure the Q in Q tunnel to use L2PT to tunnel STP packets
B. you must configure spanning tree on the interfaces connected to the customers sites
C. you must configure the same isolation ID on both sides of the tunnel
D. you must configure spanning tree to tunnel packets
正解：A

質問 6：
Click the Exhibit.


The ping command shows that connectivity of the 200.0.1/24 network to the 200.0.200.0/24 network exists.
You notice that all the ping test results from various devices on 200.0.1.0/24 follow the same path even through equal cost paths exist to the 200.0.200.0/24 network.
Referring to the exhibit, what is happening?
A. Load balancing needs to be enabled for equal cost pathing to work.
B. RIPv2 does not support load balancing static routes.
C. The rip-exp policy needs to be modified to advertise RIP routes
D. The RIP group must include the preference statement.
正解：A

質問 7：
Click the Exhibit.

All of the clients attached to your EX4300 report that authentication to the network is abnormally slow. While troubleshooting, you individually test the RADIUS servers used for authentication and receive the information shown in the exhibit.
What happened to the RADIUS server 172.28.30.95?
A. The server is no longer reachable.
B. There is a RADIUS version mismatch.
C. Someone changed the RADIUS secret.
D. The RADIUS daemon went offline.
正解：C

質問 8：
Which two statements are true about PIM source-specific multicast (SSM)? (Choose two.)
A. A Different group address must be used by each source.
B. S, G is always used.
C. The receiver DR builds a source-base tree to the RP.
D. IGMPv3 is required.
正解：B,D