Juniper JN0-648 Online Practice Questions and Exam Preparation

Juniper JN0-648 Online Questions & Answers

• Question 81:

  You have configured CoS on a Junos device. A packet is classified as best effort by a behavior aggregate (BA) classifier, and as expedited forwarding by a multifield (MF) classifier. Which statement is true in this scenario?

  A. The packet will be placed in a queue associated with the BA classifier.
  B. The packet will be placed into the queue which is least congested.
  C. The packet will be placed into the queue that has the most bandwidth assigned to it.
  D. The packet will be placed in a queue associated with the MF classifier.
  A. The packet will be placed in a queue associated with the BA classifier.

• Question 82:

  Click the Exhibit button.

  

  A router is attempting to form an OSPF neighborship with another router. However, the OSPF neighborship fails to establish completely. Referring to the exhibit, what is the problem?

  A. There is an interface type mismatch.
  B. There is an interface subnet mask mismatch.
  C. There is an OSPF area mismatch.
  D. There is an interface MTU mismatch.
  A. There is an interface type mismatch.

• Question 83:

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

• Question 84:

  You must ensure that all management traffic sourced from your Junos devices is set with a specific DSCP code-point value. Which action will accomplish this task?

  A. Apply the DSCP code-point to the [edit class-of-service host-outbound-traffic] hierarchy.
  B. Apply the DSCP code-point to the [edit class-of-service interface lo0.0] hierarchy
  C. Apply the DSCP code-point in an egress policer.
  D. Apply the DSCP code-point to a rewrite rule.
  A. Apply the DSCP code-point to the [edit class-of-service host-outbound-traffic] hierarchy.

• Question 85:

  Click the Exhibit button.

  

  Referring to the configuration shown in the exhibit, how many of the routes received from 10.0.0.2 will be active in the routing table?

  A. 5
  B. 3
  C. 8
  D. 2
  B. 3

• Question 86:

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

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

• Question 87:

  You are implementing 802.1X authentication in your Layer 2 network. Each user will have a computer and a phone and you must ensure that both devices are authenticated individually. In this scenario, which supplicant mode should be used?

  A. captive-portal
  B. single
  C. multiple
  D. single-secure
  B. single

• Question 88:

  What are three well-known mandatory BGP attributes? (Choose three.)

  A. MED
  B. AS-path
  C. origin
  D. next-hop
  E. community
  B. AS-path
  C. origin
  D. next-hop

• Question 89:

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

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

• Question 90:

  Click the Exhibit button.

  

  You are configuring an EVPN overlay to allow VLANs to be stretched between two campus sites, but EVPN routes are not being exchanged. Referring to the exhibit, which configuration statement would solve this problem?

  A. Apply the delete protocols bgp group EVPN cluster 172.1.1.55 configuration on MX2.
  B. Apply the set protocols bgp group EVPN family inet-vpn any configuration on MX1 and MX2.
  C. Apply the delete protocols bgp group EVPN multipath multiple-as configuration on MX1 and MX2.
  D. Apply the set protocols bgp group EVPN family evpn signaling configuration on MX2.
  D. Apply the set protocols bgp group EVPN family evpn signaling configuration on MX2.