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2021 Feb JN0-660 practice
Q111. - (Topic 2)
What does the Junos command advertise-inactive allow?
A. OSPF inactive routes to be advertised using BGP
B. inactive and hidden BGP routes to be redistributed into OSPF
C. the best BGP route to be re-advertised by BGP, even when it is not the best route
D. the second-best BGP route to be re-advertised by BGP, to back up the best BGP route
Answer: C
Q112. - (Topic 3)
Click the Exhibit button.
In the exhibit, the RIP network 192.168.0.0/24 is redistributed into OSPF on R8 Which two statements are true? (Choose two.)
A. R4 receives the RIP network in a Type 7 LSA from R8.
B. R7 receives the RIP network in a Type 5 LSA from R4.
C. R2 receives the RIP network in a Type 7 LSA from R4.
D. R3 receives the RIP network in a Type 5 LSA from R4.
Answer: A,D
Q113. - (Topic 3)
Refer to the exhibit.
What would explain why the policer is allowing 100 Mbps of traffic into the router?
A. The burst-size-limit is inappropriate for the bandwidth-limit and for the default MTU of the ge-*/3# interfaces.
B. The policer is not using shared-bandwidth-policer, which it must to achieve a rate of 50 Mbps of traffic.
C. The policer is applied in the wrong direction.
D. The policer is not using logical-interface-policer, which it must to achieve a rate of 50 Mbps of traffic.
Answer: B
Q114. - (Topic 1)
Which two statements correctly describe BGP operation? (Choose two.)
A. IBGP does not advertise routes learned from other IBGP neighbors.
B. IBGP advertises routes learned from other IBGP neighbors.
C. EBGP advertises routes learned from other IBGP or EBGP neighbors.
D. EBGP does not advertise routes learned from other EBGP neighbors.
Answer: A,C
Q115. - (Topic 3)
You are setting up MPLS RSVP LSPs between R1 and R6 through your core network. You must ensure that R1 has redundant ERO paths. If the main path fails and moves traffic to a second path, it should not switch back to the original path automatically. Which two actions will accomplish these requirements? (Choose two.)
A. Create two secondary paths.
B. Create a primary path with a revert timer of 0 and create a secondary path.
C. Create two primary paths.
D. Create a primary path with the revert timer set to 255 and create a secondary path.
Answer: A,B
Regenerate JN0-660 test:
Q116. - (Topic 2)
An IS-IS level 1-only router is configured within a larger multilevel hierarchy. Which OSPF area type resembles the routing information in the L1 router's table?
A. OSPF default area
B. OSPF stub area
C. OSPF NSSA
D. OSPF NSSA with no summaries
Answer: D
Q117. - (Topic 3)
You want to aggregate policing for different protocol families and different logical interfaces on the same physical interface. Which CoS configuration attribute will accomplish this goal?
A. hierarchical policer
B. shared bandwidth policer
C. physical interface policer
D. logical interface policer
Answer: C
Q118. - (Topic 2)
Click the Exhibit button.
Customer A is complaining that routes advertised from the CE2 router are not being received on the CE1 router. The physical topology of the network is CE1-PE1-PE2-CE2. The CE1-PE1 subnet is 172.16.1.0/24. The CE2-PE2 subnet is 172.16.2.0/24. PE1's loopback is 192.168.3.1 and PE2's loopback is 192.168.4.1.Referring to the output in the exhibit, what is the problem?
A. No LSP exists between PE1 and PE2.
B. Route targets are not properly configured.
C. as-override is not configured in the VRFs.
D. family inet-vpn is not configured on the PEs.
Answer: B
Q119. - (Topic 2)
Click the Exhibit button.
Based on the topology shown in the exhibit, which two configuration statements must be applied on R2 so that it announces the 10.100/22 network to its OSPF neighbors? (Choose
two.)
A. [edit policy-options policy-statement announce]
user@router# set teem 1 from route-filter 10.100.0.0/22 exact accept
B. [edit policy-options policy-statement announce] user@router# set term 1 from 10.100.0.0/22 exact accept
C. [edit]
user@router# set protocols ospf export announce
D. [edit]
user@router# set protocols ospf area 0 export announce
Answer: A,C
Q120. - (Topic 2)
Click the Exhibit button.
On your MX Series router, traffic using the voice scheduler has exceeded its transmit rate. All other data is currently in profile. Referring to the exhibit, which statement is correct?
A. The voice queue is serviced later than the less-critical queue.
B. The voice queue is serviced later than the left-over queue.
C. The voice queue is serviced before the critical queue.
D. The voice queue is serviced after data queue.
Answer: C
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