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JN0-663 Service Provider Routing and Switching, Professional (JNCIP-SP)

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Juniper · JN0-663

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Question 1

Single choice

You manage an MX Series device which includes the configuration shown in the exhibit. Traffic marked with DSCP 000011 is entering the ge-1/0/4 interface at 102 Mbps. The traffic exits the device on the ge- 1/0/5 interface. No other traffic is transiting the router.

In this scenario, what happens to traffic exceeding 100 Mbps?

A
Traffic exceeding 100 Mbps is redirected to a rate limiter.
B
Traffic exceeding 100 Mbps is buffered.
C
Traffic exceeding 100 Mbps is dropped.
D
Traffic exceeding 100 Mbps is forwarded.

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Correct answerC

Question 2

Multiple choice

Referring to the exhibit, which three statements about route 10.222/16 are correct when using the default BGP advertisement rules? (Choose three)

A
R1 will prepend AS10 when advertising 10.222/16 to R2.
B
R2 will prepend AS10 when advertising 10.222/16 to R7.
C
R2 will advertise 10.222/16 to R4 with itself as the next hop.
D
R1 will advertise 10.222/16 to R2 with itself as the next hop.
E
R7 will advertise 10.222/16 to R9 with itself as the next hop.

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Correct answersB, C, E

Question 3

Multiple choice

You are establishing a Layer 3 VPN between two PE devices. Currently you have a single internal IPv4 BGP peering between the PE devices. You must ensure that the IPv4 and IPv6 routes from both CE devices are exchanged between these sites.

Which two statements are correct in this scenario? (Choose two.)

A
You must enable IPv6 tunneling on the LSPs between the PE devices.
B
You must establish an IPv6 BGP peering between the two PEs.
C
You must enable the inet6-vpn NLRI on both PE devices.
D
You must enable the inet-vpn NLRI on both PE devices.

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Correct answersC, D

Question 4

Single choice

R4 is directly connected to both RPs (R2 and R3). R4 is currently sending all joins upstream to R3 but you want to load balance the joins between both RPs.

Referring to the exhibit, which configuration change will solve this issue?

A
Configure the join-load-balance parameter under PIM on R4.
B
Configure the default route in inet.2 on R4 from R3 as the next hop to both R3 and R2.
C
Configure the group-range parameter to be the same on R2 and R3.
D
Configure the bootstrap priority on R2 to be the same as R3.

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Correct answerA

Question 5

Multiple choice

You are troubleshooting BGP routing issues between two MX Series routers. The BGP session is established but no BGP routes are being communicated.

What are two reasons for this problem? (Choose two.)

A
The peer type should be external.
B
No active BGP routes are in the inet.0 table.
C
The peers are in different ASs.
D
No export routing policy is applied.

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Correct answersB, D

Question 6

Multiple choice

Referring to the exhibit, traffic sent from CE-A2 to PE3 does not loop back to CE-A2 through PE2.

Winch two EVPN functions accomplish this task? (Choose two.)

A
multicast ingress replication
B
aliasing
C
split horizon
D
designated forwarder election

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Correct answersC, D

Question 7

Single choice

Which statement is correct about BGP FlowSpec between a service provider's PE router and a customer?

A
The flow routes received from a customer are limited to /32 masks for IPv4.
B
The NLRI received from a customer is stored in the flowspec.inet.0 table.
C
The RFC deterministic traffic filtering algorithm is used by default in Junos.
D
The NLRI received from a customer is stored in the inetflow.0 table.

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Correct answerD

Question 8

Multiple choice

You are troubleshooting a problem with a BGP peer where BGP routes are not being accepted from that peer.

Referring to the exhibit, which two statements are correct? (Choose two.)

A
Term 0 is missing a terminating action that allows BGP routes to be accepted.
B
Term 0 is missing a route-filter that specifies the allowed routes.
C
The reject at the end of the policy is preventing the routes from being accepted.
D
You cannot have terminating actions outside of terms.

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Correct answersA, C

Question 9

Multiple choice

Which two statements about wide and narrow metrics used in IS-IS are correct? (Choose two.)

A
Wide metrics are enabled with the wide-metrics-only parameter under protocols isis hierarchy.
B
Narrow metrics are enabled by default and use 8 bits in TLVs to send information.
C
Wide metrics are sent by default and use 24 bits in TLVs to send information.
D
Disabling narrow metrics results in external routes being leaked from L1 to L2 areas automatically.

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Correct answersA, B

Question 10

Single choice

The exhibit shows a BGP peering session for two PE routers. The BGP session is up, but the hosts in the Layer 2 VPN that uses the BGP session are unable to communicate.

What is the problem in this situation?

A
The BGP peer does not support the add-path feature.
B
There is a mismatch in the supported NLRI address families between the BGP peers.
C
The local BGP router does not support Layer 2 VPN and Layer 3 VPN NLRI address families at the same time.
D
The BGP peer does not support the restarter functionality.

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Correct answerB

Question 11

Single choice

You are responsible for configuring CoS for your network Your network includes a video application with strict latency requirements, so that any packets delayed by more than 75 ms are effectively useless. You want to ensure that you do not waste buffer space.

When configuring the scheduler for this application, which feature would you use?

A
remainder
B
exact
C
temporal
D
rate limit

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Correct answerC

Question 12

Multiple choice

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

A
Level 1 intermediate systems exchange routing information with Level 1 intermediate systems on other IS-IS areas.
B
An IS-IS router sets the attached bit in the PDUs it sends to a Level 1 area to indicate that it is a backbone router.
C
A Level 1 router can only form adjacencies with other Level 1 routers.
D
Level 2 routers can form adjacencies with either Level 1 or Level 2 routers.

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Correct answersB, C

Question 13

Single choice

You are troubleshooting an issue where R1 is no longer receiving the default IS-IS route from R3.

Referring to the exhibit, which action would you take to solve the problem?

A
Delete the protocols isis ignore-attached-bit configuration statement on R1.
B
Delete the protocols isis level 2 disable configuration statement on R3.
C
Delete the protocols isis import configuration statement on R1.
D
Delete the protocols isis ignore-attached-bit configuration statement on R3.

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Correct answerA

Question 14

Multiple choice

Which two statements regarding the output shown in the exhibit are correct? (Choose two.)

A
The type of connection is remote.
B
The type of connection is local.
C
The PEs have matching control word values.
D
The label associated with this virtual circuit is out of range.

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Correct answersA, C

Question 15

Multiple choice

Which two statements regarding ingress replication in EVPN are correct? (Choose two.)

A
Ingress replication labels are learned from remote PEs through the EVPN Type-3 route.
B
Ingress replication relies on PIM to build the multicast replication tree.
C
Ingress replication is only supported in vrf-type routing instances.
D
Ingress replication will replicate all BUM traffic to all remote PEs in the EVI.

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Correct answersA, D

VOL	TYPE	QUESTIONS
1	Single choice	6
2	Multiple choice	9

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Service Provider Routing and Switching, Professional (JNCIP-SP)

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