Pass Juniper JN0-663 exam questions - convert Test Engine to PDF
Pass Your JN0-663 Exam Easily - Real JN0-663 Practice Dump Updated Jan 10, 2022
Test Prerequisites
To take the Professional Service Provider Routing and Switching or JN0-663 exam, you need to first complete the Specialist Service Provider Routing and Switching certification by nailing JN0-362. Further, Juniper recommends some work experience in networking, cloud services, cloud management, security, and routing configurations. Nevertheless, the right preparation and industrial experience will get you higher chances of passing the official exam.
Topics of Service Provider Routing and Switching, Professional JN0-663 Exam
Candidates must know the exam topics before they start preparation. Because it will help them in hitting the core. Our Juniper JN0-663 exam dumps will include the following topics: OSPF
- Metrics, including external metric types
- OSPFv2 versus OSPFv3
- Virtual links
- LSA flooding through an OSPF multi-area network
- SPF algorithm
- Summarize and restrict routes
IS-IS
- DIS operation
- IS-IS areas/levels and operations
- SPF algorithm
- Route summarization and route leaking
- Metrics, including wide metrics
BGP
- Multipath
- Multihop
- BGP communities
- BGP attributes: concept and operation
- FlowSpec
- BGP route damping
- Regular expressions
- Multiprotocol BGP
- Next hop resolution
Class of Service (CoS)
- Classification
- Schedulers
- Policers
- CoS header fields
- Packet loss priority
IP Multicast
- IP multicast traffic flow
- Anycast RP
- RPF: concept and operation
- SSM: requirements, benefits, address ranges
- Rendezvous point (RP): concept, operation, discovery, and election
Layer 3 VPNs
- Route distinguishers
- Route targets
- AutoDiscovery
- Connection mapping
- Traffic flow: control and data planes
- Virtual circuit label
Layer 2 VPNs
- Traffic flow: control and data planes
- Traffic flow: control and data planes
- BGP Layer 2 VPNs
- EVPN Multihoming
- MAC learning and distribution
- BGP VPLS label distribution
- Given a scenario, demonstrate knowledge of how to configure, monitor, or troubleshoot Layer 2 VPNs
- Site IDs
- EVPNs
- VPLS
- LDP VPLS label distribution
- LDP Layer 2 circuits
- Route targets
- BGP EVPN label distribution
NEW QUESTION 10
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 drops the packet because the destination MAC address is not for PE-3.
- B. It forwards the packet to PE-1 only.
- 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
NEW QUESTION 11 
R1 assigns incoming voice traffic to the ef forwarding class. All other traffic is assigned to the best-effort forwarding class. You have configured a CoS re-write rule on R1 to include the correct CoS bit values in packets sent towards R2. You want R2 to classify traffic using the CoS markings created by R1.
Which two configuration steps are necessary to accomplish this task? (Choose two.)
- A. Configure a behavior aggregate classifier on R2.
- B. Assign the CoS re-write rule to the ge-0/0/1.0 interface on R2.
- C. Assign the behavior aggregate classifier to the ge-0/0/1.0 interface on R2.
- D. Configure a CoS re-write rule on R2 and assign matching CoS values.
Answer: B,C
NEW QUESTION 12
Exhibit:
Referring to the exhibit, which three statements are correct? (Choose three.)
- A. This ESI Auto-Discovery route is used for designated forwarder election.
- B. The router with the IP address 10.101.100.3 is the originator of this route.
- C. This route contains the MAC address of an end host.
- D. The ESI is 00:22:22:22:22:22:22:22:22:22.
- E. This route is an EVPN Type-1 route.
Answer: B,D,E
NEW QUESTION 13
What is the purpose of the duster-list attribute within a BGP route reflector group?
- A. to disable internal cluster re-advertisements
- B. to define the router that first advertised the route to the route reflector
- C. to facilitate loop detection within the route reflector network
- D. to override the router 10 value within the cluster
Answer: C
NEW QUESTION 14
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 R2's router ID.
- D. The address that is associated with R4's router ID.
Answer: C,D
NEW QUESTION 15 
Referring to the exhibit, what will the IS-IS cost be for R3 to reach R1?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 16
Exhibit:
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. R2 stops sending LSAs into the network.
- B. The OSPF interface metrics on R2 are all set to 65535.
- C. R1 will never forward transit traffic through R2.
- D. Transit traffic from R1 to R4 will traverse R3.
Answer: B,D
NEW QUESTION 17
Exhibit:
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.
Answer: C
NEW QUESTION 18
Exhibit.
Referring to the exhibit, which command would reduce the size of the OSPF database and corresponding routes?
A)
B)
C)
D)
- A. Option C
- B. Option B
- C. Option A
- D. Option D
Answer: D
NEW QUESTION 19
Click the Exhibit button.
A network administrator is investigating why traffic from R2 is not being forwarded to R1 Referring to the show isis database command output shown in the exhibit, what is causing this problem on the network?
- A. R2 is ignoring specific LSPs from R1 in its SPF calculations.
- B. The preferred interface between R1 and R2 is experiencing errors
- C. R1 is configured to drop all incoming traffic.
- D. R1 and R2 are in different IS-IS areas.
Answer: A
NEW QUESTION 20
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. Implement the overload bit and timer to signal service availability.
- B. Deploy firewall filters to limit the prefix count in the route table
- C. Double the policy-options damping half-life timer to let the network settle.
- D. Use the forwarding-options ip-options-protocol-queue parameter to increase resources.
Answer: A
NEW QUESTION 21
The link between CE1 and PE1 has a history of flapping To avoid the impact that flapping causes to the network you decide to use route damping Which statement is correct in this scenario?
- A. Dampened routes decay at a sliding rate known as half-life
- B. Routes become dampened when the configured max-suppress value is reached
- C. Dampened routes become active when their figure of merit drops below the reuse value.
- D. Dampening is enabled on interfaces
Answer: A
NEW QUESTION 22
Exhibit.
Two CE devices (CE-1 and CE-2) belong to the same customer and connect into a single PE device (PE-1) However, the CE devices cannot communicate with each other You want to allow the CE devices to communicate with each other Referring to the exhibit, which action would solve the problem?
- A. Configure both routing instances with the as-override statement within the BGP protocol
- B. Configure both routing instances with the vrf-table-label statement
- C. Configure both routing instances with the set routing-options autonomous-system loops 3 statement
- D. Configure both routing instances with the set routing-opt ions auto-export-statement
Answer: D
NEW QUESTION 23 
Refer
ring to the exhibit, which two statements are correct for a route advertised by R1 towards R4? (Choose two.)
- A. The AS path is set to 150 by R2.
- B. The AS path is set to null by R2.
- C. The BGP next hop is set to 14.1.1.1 by R2.
- D. The BGP next hop is set to 192.168.2.2 by R2.
Answer: B,C
NEW QUESTION 24
Exhibit:
R1 assigns incoming voice traffic to the ef forwarding class. All other traffic is assigned to the best-effort forwarding class You have configured a CoS re-write rule on R1 to include the correct CoS bit values in packets sent towards R2 You want R2 to classify traffic using the CoS markings created by R1.
Which two configuration steps are necessary to accomplish this task? (Choose two.)
- A. Configure a behavior aggregate classifier on R2.
- B. Assign the CoS re-write rule to the ge-0/0/1.0 interface on R2.
- C. Assign the behavior aggregate classifier to the ge-0/0/1.0 interface on R2.
- D. Configure a CoS re-write rule on R2 and assign matching CoS values.
Answer: B,C
NEW QUESTION 25
Exhibit:
Which three statements are true about the show pim join output shown in the exhibit? (Choose three.)
- A. The shortest path to the source is through the RP
- B. The multicast stream does not have an RP.
- C. The multicast stream has been configured with a backup path to allow for fast reroute.
- D. This is a source-specific multicast stream. G The multicast receiver is still using the RP to receive the stream.
Answer: A,B,C
NEW QUESTION 26
Exhibit:
Your network connects two segments of your customer's network as shown in the exhibit They need to exchange routes between Segment 1 and Segment 2 but both segments use the same AS number.
Which two steps will accomplish this task? (Choose two.)
- A. Configure the BGP group with the advertise-peer-as parameter on routers R2 and R3.
- B. Configure the routing-options autonomous-system loops l parameter on routers R2 and R3.
- C. Configure the BGP group with the as-override parameter on routers R1 and R4.
- D. Configure the routing-options autonomous-system loops l parameter on routers R1 and R4.
Answer: A,D
NEW QUESTION 27 
A network administrator is investigating why traffic from R2 is not being forwarded to R1.
Referring to the show isis databasecommand output shown in the exhibit, what is causing this problem on the network?
- A. R2 is ignoring specific LSPs from R1 in its SPF calculations.
- B. The preferred interface between R1 and R2 is experiencing errors.
- C. R1 is configured to drop all incoming traffic.
- D. R1 and R2 are in different IS-IS areas.
Answer: A
NEW QUESTION 28 
Referring to the exhibit, there is a Layer 3 VPN setup that connects sites CE-A-1, CE-A-2, and CE-A-3 together. Host-1 can communicate with Host-3, but Host-1 cannot communicate with Host-2.
What must you do to solve the problem?
- A. Use the next-tableconfiguration statement for static routes in the corresponding routing instances.
- B. Change the route distinguisher in both routing instances to the same value.
- C. Use the auto-exportcommand in both routing instances.
- D. Use BGP instead of static routing between the CE and PE devices.
Answer: C
NEW QUESTION 29 
Referring to the exhibit, which statement is true?
- A. The BGP session between R1 and R2 will establish correctly and the inet unicast and the inet6 unicast NLRIs 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 only the inet6 unicast NLRI will pass routing information.
- D. The BGP session between R1 and R2 will establish correctly and only the inet unicast NLRI will pass routing information.
Answer: D
NEW QUESTION 30
Exhibit:
Referring to the exhibit, which two statements are true? (Choose two.)
- A. This router is an ASBR.
- B. There is one interface marked as passive.
- C. There are two interfaces marked as passive.
- D. This router is an ABR
Answer: A,C
NEW QUESTION 31
Exhibit:
Referring to the exhibit, which two statements about route reflectors are correct? (Choose two.)
- A. RR2 adds its cluster ID when advertising routes from CHent4 to Client3.
- B. RR2 advertises routes learned from Client3 to EBGP2 with itself as the next hop.
- C. RR1 and RR2 need the same cluster ID to exchange routes learned from their clients.
- D. RR1 advertises routes learned from Client1to RR2 with itself as the next hop.
Answer: A,B
NEW QUESTION 32
Exhibit.
Referring to the exhibit, which two statements are correct for a route advertised by R1 towards R4? (Choose two )
- A. The BGP next hop is set to 192.168.2 2 by R2
- B. The AS path is set to null by R2
- C. The BGP next hop is set to 14.1 1.1 byR2
- D. The AS path is set to 150 by R2
Answer: C
NEW QUESTION 33
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