UPDATED [Apr 01, 2023] Pass Service Provider Routing and Switching, Professional (JNCIP-SP) Exam with Latest Questions
JN0-663 Exam Practice Questions prepared by Juniper Professionals
Juniper JN0-663 Exam Syllabus Topics:
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NEW QUESTION 55
A customer recently migrated to IS-IS and is concerned about resource starvation when the routing protocol daemon (RPD) starts.
To resolve this issue and protect R2 and R3, which feature should you implement?
- A. Use the forwarding-options ip-options-protocol-queue parameter to increase resources.
- B. Implement the overload bit and timer to signal service availability.
- C. Double the policy-options damping half-life timer to let the network settle.
- D. Deploy firewall filters to limit the prefix count in the route table
Answer: B
NEW QUESTION 56
Exhibit:
A network administrator is concerned about the number of LSAs that they are observing on the network.
What will reduce Type 7 LSAs advertised from R2 to the non-backbone routers shown in the exhibit?
- A. Configure nssa under area 0.0.0.2 on R2.
- B. Configure no-naaa-abr under protocols ospf3 on R2.
- C. Configure no-summaries under area 0.0.0.2 on R2.
- D. Configure no-summaries under protocols ospf3 on R2.
Answer: B
NEW QUESTION 57
Exhibit:
CE-1, CE-2, and CE-3 are part of a single VPLS VPN An Ethernet frame has just arrived at PE-3 from CE-3. It has a source MAC address of CE-3 and a destination MAC address of CE-1. You want to know what PE-3 does with the Ethernet frame.
Referring to the exhibit, which statement is correct?
- A. It forwards the packet to PE-1 only.
- B. It drops the packet because the destination MAC address is not for PE-3.
- C. It drops the packet because the destination MAC address is not in PE-3's MAC table.
- D. It forwards the packet to PE-1 and PE-2.
Answer: D
Explanation:
The difference is that, for VPLS, packets can traverse the service provider networks in point-to-multipoint fashion, meaning that a packet originating from a CE device can be broadcast to all the PE routers participating in a VPLS routing instance. In contrast, a Layer 2 VPN forwards packets in point-to-point fashion.
NEW QUESTION 58
Exhibit.
A network designer wants to ensure that traffic from R2 destined for 2001 db9:ffff:ff00. '62 always traverses the R2-R1 link it that link is available Referring to the exhibit, which configuration change will satisfy this requirement?
A)
B)
C)
D)
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Answer: B
NEW QUESTION 59
Exhibit:
Referring to the exhibit, what will the IS-IS cost be for R1 to reach R3?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 60
Exhibit:
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 R3.
- B. Delete the protocols isis import configuration statement on R1.
- C. Delete the protocols isis ignore-attached-bit configuration statement on R1.
- D. Delete the protocols isis level 2 disable configuration statement on R3.
Answer: C
NEW QUESTION 61 
Traffic is being sent from R2 to R3. The link between R2 and R3 fails.
Referring to the exhibit, which statement is correct?
- A. Traffic will automatically reroute distributed between all available paths.
- B. Traffic will automatically reroute using R2 to R4 to R1 to R3.
- C. Manual intervention is required for traffic to be rerouted.
- D. Traffic will automatically reroute using the shortest path, which is R2 to R1 to R3.
Answer: B
NEW QUESTION 62
You recently deployed CoS-based forwarding in your network, which uses OSPF as its IGP You notice that the forwarding of traffic has not changed and is not following the path indicated within your configuration.
In this scenario, which statement explains this behavior?
- A. Load balancing has not been enabled under [edit forwarding-options.
- B. The defined policy references interface names as the next-hops instead of IP addresses.
- C. The defined policy has not been applied under [edit class-of-service forwarding-policy
- D. The defined policy references IP addresses as the next-hops instead of interface names
Answer: D
NEW QUESTION 63
Exhibit:
R2 is receiving the same route from R1 and R3. You must ensure that you can load balance traffic for that route.
Referring to the exhibit, which two configuration changes will allow load balancing? (Choose two.)
- A. Apply the prepend policy as an import policy under group R1.
- B. Configure multipath under group R1.
- C. Configure multipath under the global BGP configuration.
- D. Apply the prepend policy as an import policy under group R3.
Answer: A,C
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/routing-policy/topics/concept/policy-prepending-as-numbers-to-bgp-as-paths.html
NEW QUESTION 64
Exhibit:
Your network is connected to two different ISPs and you notice that they are using your network for transit traffic.
In this scenario, which two configuration statements will solve this problem? (Choose two.)
- A. set policy-options as-path LOCAL-ROUTES "()"
- B. set policy-options policy-statement ISP term ROUTES then reject
- C. set policy-options policy-statement ISP term REST then reject
- D. set policy-options as-path LOCAL-ROUTES " (65310 I 65441) +"
Answer: A,C
NEW QUESTION 65
Exhibit:
Referring to the exhibit, you want to make ISP1 your preferred connection for inbound and outbound traffic.
Which two steps will accomplish this task? (Choose two.)
- A. Create an export policy to prepend the ASN on advertised routes and apply it to the EBGP peer on R2.
- B. Create an export policy setting local-preference 200 and next-hop self and apply it to the IBGP peers on R2.
- C. Create an export policy to prepend the ASN on advertised routes and apply it to the EBGP peer on R1.
- D. Create an export policy setting local-preference 200 and next-hop self and apply it to the IBGP peers on R1.
Answer: A,D
NEW QUESTION 66
Exhibit:
Referring to the exhibit, traffic sent from CE-A2 to PE3 does not loop back to CE-A2 through PE2.
Which two EVPN functions accomplish this task? (Choose two.)
- A. aliasing
- B. multicast ingress replication
- C. split horizon
- D. designated forwarder election
Answer: C,D
NEW QUESTION 67
Exhibit:
Referring to the exhibit, which two statements are true? (Choose two.)
- A. There is one interface marked as passive.
- B. This router is an ASBR.
- C. There are two interfaces marked as passive.
- D. This router is an ABR
Answer: B,C
NEW QUESTION 68
Which two statements about wide and narrow metrics used in IS-IS are correct? (Choose two)
- A. Disabling narrow metrics results in external routes being leaked from L1 to L2 areas automatically
- 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. Wide metrics are enabled with the wide-metrics-or.ly parameter under protocols IS-IS hierarchy.
Answer: A,B
NEW QUESTION 69
Exhibit:
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. No active BGP routes are in the inet.0 table
- B. The peer type should be external.
- C. The peers are in different ASs.
- D. table ii No export routing policy is applied.
Answer: A,D
NEW QUESTION 70
Exhibit:
You must configure an OSPF virtual link to facilitate communication between Area 0 and Area 20.
Referring to the exhibit, which two addresses should you use as the neighbor IDs of the virtual link endpoints?
(Choose two.)
- A. The address that is associated with R4's xe-0/0/1 interface.
- B. The address that is associated with R2's xe-1/2/0 interface.
- C. The address that is associated with R4's router ID.
- D. The address that is associated with R2's router ID.
Answer: C,D
NEW QUESTION 71
Exhibit.
You are the administrator of AS 65512 You are learning the 192 168 1 0/24 prefix from both AS 100 and AS 200 You want traffic destined to the 192 168 1.0.0/24 prefix to exit your AS towards AS 200 How would you accomplish this task'?
- A. Configure an import routing policy on PE-2 to append the AS path attribute on the path learned from AS 100
- B. Configure an import routing policy on PE-2 to set a higher local preference value on the path learned from AS 200
- C. Configure an import routing policy on PE-2 to set a higher MED on the path learned from AS 100
- D. Configure an import routing policy on PE-2 to modify the origin attribute on the path learned from AS 100
Answer: A
NEW QUESTION 72
Exhibit:
Referring to the exhibit, which two statements are true? (Choose two.)
- A. The vrf-target configuration stops routes from being shared between CE-1 and CE-2.
- B. The route-distinguisher configuration stops routes from being shared between CE-1 and CE-2.
- C. The vrf-target configuration allows routes to be shared between CE-1 and CE-2.
- D. The route-distinguisher configuration allows routes to be shared between CE-1 and CE-2.
Answer: A,D
NEW QUESTION 73
Exhibit:
Referring to the exhibit, external routes are being received at R1. These routes must appear on R5.
Which action will produce this result?
- A. Turn on wide metrics on R4 and R5 and write an export policy on R2 from level 1 to level 2 matching the external routes.
- B. Turn on wide metrics on R1 and R2 and write an export policy on R4 from level 2 to level 1 matching the external routes.
- C. Write an export policy on R4 from level 2 to level 1 matching the external routes.
- D. Write an export policy on R2 from level 1 to level 2 matching the external routes.
Answer: B
NEW QUESTION 74
You are configuring a BGP signaled Layer 2 VPN across your MPLS enabled core network.
In this scenario, which statement is correct?
- A. You must ensure that all interfaces within the site's configuration are explicitly defined with their remote site identifier values.
- B. This type of VPN requires the support of the I2vpn signaling NLRI on all route reflectors and participating PE devices.
- C. This type of VPN is only supported over LSPs that are using traffic-engineering.
- D. You must use a unique route distinguisher value on all PE devices in your environment.
Answer: B
NEW QUESTION 75
Exhibit:
The route shown in the exhibit is an example of which type of next-generation MVPN route?
- A. Type 1 Intra-AS inclusive MVPN membership discovery
- B. Type 4 Selective MVPN autodiscovery route for leaf
- C. Type 2 Inter-AS inclusive MVPN membership discovery
- D. Type 3 Selective MVPN autodiscovery route
Answer: A
NEW QUESTION 76 
Referring to the exhibit, a Layer 3 VPN is configured, however, the routes are being hidden.
What is the problem?
- A. A route distinguisher mismatch exists between the peers.
- B. The BGP peer is not reachable through the IGP.
- C. An active MPLS tunnel does not exist between the peers.
- D. A VRF target community mismatch exists between the peers.
Answer: C
NEW QUESTION 77
Exhibit.
Referring to the exhibit, which statement is true?
- A. The BGP session between R1 and R2 will establish correctly and only the met unicast NLRI will pass routing information
- B. The BGP session between R1 and R2 will fail to establish correctly due to an NLRI mismatch
- C. The BGP session between R1 and R2 will establish correctly and the met unicast and the met6 unicast NLRIs will pass routing information
- D. The BGP session between R1 and R2 will establish correctly and only the inet6 unicast NLRI will pass routing information
Answer: C
NEW QUESTION 78
Exhibit:
You have a Layer 3 VPN established between PE-1 and PE-2 as well as between PE-1 and PE-3. You are using a route reflector (RR-1) to distribute VPN routes to your IBGP peers. You are asked to ensure that only relevant routes are sent from RR-1 to each of the PE routers.
Referring to the exhibit, which statement is correct?
- A. You should use route target filtering only on RR-1 to control which routes are sent to each PE router.
- B. You should use firewall filtering on RR-1 and all the PE devices to control which routes are sent to each PE router.
- C. You should use VRF export policies on RR-1 to control which routes are sent to each PE router.
- D. You should use route target filtering on RR-1 and all the PE devices to control which routes are sent to each PE router.
Answer: A
NEW QUESTION 79
Exhibit:
Referring to the ABR configuration shown in the exhibit, which three statements are correct? (Choose three.)
- A. The ABR does not summarize any routes within the 192.168.16.0/20 range.
- B. The ABR advertises a Type 5 external LSA to the backbone area for each Type 7 LSA in the NSSA.
- C. The ABR advertises a single Type 5 external LSA to the backbone area for all Type 7 LSAs in the NSSA.
- D. The ABR advertises a single Type 3 summary LSA to the backbone area for all Type 1 and Type 2 LSAs in the 192.168.16 0/20 range.
- E. The ABR advertises a default route to the NSSA using a Type 7 LSA.
Answer: B,D,E
NEW QUESTION 80
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What is the duration of the Service Provider Routing and Switching, Professional JN0-663 Exam
- Number of Questions: 65
- Length of Examination: 120 minutes
- Format: Multiple choices, multiple answers
- Language: English
Additional Resources for JN0-663
While there are many supportive materials available on the Juniper website, several other resources will also help you prepare for your exam. A correct combination of these and the right approach will enable you to pass your JN0-663 certification test confidently. Thus, here are some of the top-rated books from Amazon that you can look at while studying for JN0-663:
- First Edition of Network Mergers and Migrations by Gonzalo Gomez Herrero and Jan Anton Bernal van der Ven
Such a book offers students a detailed guide to network transition processes by describing a number of examples of internetworking. Based on the experience and skills of two senior Juniper Networks engineers, both enterprise and service provider scenarios are analyzed here. Each case study covers planning and execution, as well as discusses approaches and incorporates additional relevant services and JUNOS resources, from MPLS Layer 3 VPN approaches for migration processes to complicated consolidation and integration for networking protocols in order to ensure effective execution at each transition point.
- First Edition of OSPF and IS-IS by Jeff Doyle
This comprehensive guide clearly explains how OSPF and IS-IS protocols are incorporated in large-scale IP organizations and service-provider networking companies. Moreover, the book has thoroughly organized its topics to make sure you understand the application of OSPF and IS-IS. Also, the author explains how a subject or function is incorporated in OSPF and then walks through a specific application with IS-IS.
- JNCIP: Juniper Networks Certified Internet Professional Study Guide by Harry Reynolds
This book covers the major exam objectives of the JNCIP-SP exam. Moreover, it discusses the concepts of networking, monitoring, troubleshooting route operations, upgrading & backing JUNOS, working with IS-IS, and monitoring OSPF. Besides, the author dives deep into topics such as IBGP routing and EBGP operations. All in all, such a study guide is a great start to refer to when preparing for your JN0-663 exam. Engineers who need to update networks, consolidate operations, or deploy new functionality or services have invaluable material in the form of this manual.
- First Edition of Interdomain Multicast Routing by Brian M. Edwards
This guide contains all of IP multicast protocols, software, network architecture and integration, implementation, configuration, and management that network specialists need to know about. In addition, the author demonstrates the setup of multicasting depending on the Internet on both Juniper and Cisco routers and provides a comprehensive case study. The book also reviews the purpose and basic principles, then implements all new multicast IP protocols.
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