Free Juniper JN0-648 Exam Dumps Questions & Answers

You have an MX960 configured as a Fusion aggregation device (AD) and two QFX5100 switches as satellite devices (SD). You have configured local-switching for each SD. A packet with an unknown MAC address is received on one of the SD extended ports.
Which statement is correct in this scenario?

• A.  The packet is flooded out of all the ports on the SD except the one where it was received.
• B.  The packet is dropped and a reject message is sent out to the port where it was received.
• C.  The packet is silently discarded and a reject message is sent to the AD.
• D.  The packet is sent to the AD to be processed and forwarded.

Exhibit.


You have applied the CoS configuration shown in the exhibit to an EX4300 switch.
Which two statements are true? (Choose two. )

• A.  All strict-high priority queues are serviced in a round-robin fashion regardless of available credits.
• B.  All strict-high priority queues are serviced in a round-robin fashion as long as they have remaining credits
• C.  Packets in low priority queues are serviced when strict-high priority queues have no available credits
• D.  Packets in low priority queues transmit only when start-high priority queues are empty

Exhibit.

Referring to the exhibit, which TTL value will be sent to the LLDP neighbors?

• A.  200 seconds
• B.  90 seconds
• C.  120 seconds
• D.  400 seconds

Exhibit.

Referring to the exhibit, which two statements are true with regards to deploying CoS? (Choose two.)

• A.  You should apply MF classifiers on the point-to-point interfaces of the routers
• B.  You should apply MF classifiers on the LAN-facing interfaces of the routers
• C.  You should apply BA classifiers on the point-to point interfaces of the routers.
• D.  You should apply BA classifiers on the LAN-facing interfaces of the routers

Click the Exhibit button.

Referring to the exhibit, you configured a new multifield classifier for the ge-1/2/0 interface to move ICMP traffic to the best-effort queue and traffic from 192.168.20.0/24 to the expedited forwarding queue. You received notice that some applications are not working after the change.
Which configuration change will remedy the problem?

• A.  Option B
• B.  Option C
• C.  Option D
• D.  Option A