JN0-648 by Juniper Actual Free Exam Q&As

Question 1

Exhibit.

Referring to the exhibit, which two statements are true regarding Q-in-Q tunneling? {Choose two)

A. The C-VLAN traffic will be encapsulated with an outer VLAN tag of 10. B. The C-VLAN traffic will be encapsulated with an outer VLAN lag of 150 C. The C-VLANs 100-200 will be sent as the inner VLAN tag D. The C-VLAN 150 will be sent as the inner VLAN tag

Discussion 0

Correct Answer: B,D Vote an answer

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Question 2

When configuring class of services, what would be you use to allocate bandwidth to a forwarding class?

A. buffer depth B. transmit rate C. speed D. bandwidth

Discussion 0

Correct Answer: B Vote an answer

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Question 3

Which two statements are true about IS-IS levels? (Choose two.)

A. Level 1 systems use a default route to reach AS external routes located in other areas. B. Level 2 systems do not advertise Level 2 routes into a Level area by default. C. Level 2 systems must use the loopback address as a part of the ISO network address. D. Level 1 system only from adjacencies with other systems that have different area IDs.

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Correct Answer: A,B Vote an answer

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Question 4

Your IPv4 multicast network uses different MX Series routers for the source DR and the PIM sparse-mode RP.
What is required before PIM register messages are exchanged between the DR and RP routers?

A. Configure PIM encapsulation on the DR and RP routers. B. Add an adaptive services PIC to the DR router. C. Add a tunnel services PIC to the RP router. D. Enable tunnel services on the DR and RP routers.

Discussion 0

Correct Answer: D Vote an answer

Question 5

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

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

Discussion 0

Correct Answer: D Vote an answer

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Question 6

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

Discussion 0

Correct Answer: D Vote an answer

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Question 7

When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)

A. count B. permit C. sustain D. move E. log

Discussion 0

Correct Answer: B,C,D Vote an answer

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Question 8

A BA classifier, input policer, and a multifield classifier are applied to an interface in which order are these features processed?

A. multifield classifier -> BA classifier -> policer B. policer > multifield classifier -> BA classifier C. policer -> BA classifier -> multifield classifier D. BA classifier -> multifield classifier -> policer

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Correct Answer: D Vote an answer

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Question 9

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

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Correct Answer: A Vote an answer

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Question 10

Which two statements about OSPF routing policies are correct? (Choose two.)

A. By default, OSPF import policies accept network-summary LSAs. B. By default, OSPF import policies reject network-summary LSAs. C. By default, OSPF export policies reject network-summary LSAs. D. By default, OSPF export policies accept network-summary LSAs.

Discussion 0

Correct Answer: A,C Vote an answer

Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) - JN0-648 Exam Practice Test