[2021] JN0-663 Answers JN0-663 Free Demo Are Based On The Real Exam
JN0-663 [Dec-2021 Newly Released] Exam Questions For You To Pass
Career Benefits
Certifications from Juniper Networks most commonly lead to network engineering roles, either with Juniper Networks directly or with consulting firms promoting the related products. Moreover, you can apply for positions such as Network Administrators and Network Security Engineers. Average remuneration for Network Engineers starts at $51,000 up to $108,000 per year, whereas earnings for Network Admins are estimated at $84,000 annually as rendered by Payscale. So, as far as you can see it can pay off well to get the necessary experience and at least one Juniper certification.
Introduction to Service Provider Routing and Switching, Professional JN0-663 Exam
Service Provider Routing and Switching, Professional Juniper JN0-663 exam test is related to Juniper Service Provider Routing & Switching Certification. Juniper Service Provider Routing and Switching Certification are designed for experienced Networking Professionals with advanced knowledge of the Juniper Network JUNOS OS. This exam validates and measures the candidate’s understanding of Advanced Routing Technologies and related platform configuration and troubleshooting skills. Networking Services Manager and Network Administrators usually hold or pursue this certification and you can expect the same job role after completion of this certification.
NEW QUESTION 54
Exhibit:
All networks shown in the exhibit contain more than one BGP speaker You operate ISP A and must ensure that Customer Y sends their traffic to you over the directly connected link. Customer Y is not to be used for transit into your network.
What would you do to accomplish this task?
- A. Advertise routes to Customer X with the well-known no-advertise community.
- B. Advertise routes to Customer X with the custom defined 0:0 community
- C. Advertise routes to Customer Y with the well-known no-export community
- D. Advertise routes to Customer Y with the custom defined 65535:65535 community.
Answer: C
NEW QUESTION 55
You are creating a new LDP signaled Layer 2 circuit between three customer sites.
In this scenario, which two statements are correct? (Choose two.)
- A. LDP is used to exchange the virtual circuit labels with other PEs.
- B. BGP is used to exchange the virtual circuit labels with other PEs.
- C. You are not allowed to use any RSVP-signaled LSPs in your core network.
- D. You are allowed to tunnel your LDP sessions through RSVP LSPs.
Answer: A,D
NEW QUESTION 56 
Which three statements are true about the show pim joinoutput shown in the exhibit? (Choose three.)
- A. The multicast receiver is still using the RP to receive the stream.
- B. This is a source-specific multicast stream.
- C. The multicast stream has been configured with a backup path to allow for fast reroute.
- D. The multicast stream does not have an RP.
- E. The shortest path to the source is through the RP.
Answer: C,D,E
NEW QUESTION 57 
A network designer wants to ensure that traffic from R2 destined for 2001:db9:ffff:ff00::/62 always traverses the R2-R1 link if that link is available.
Referring to the exhibit, which configuration change will satisfy this requirement?
- A.
- B.
- C.
Answer: A
NEW QUESTION 58
Exhibit:
Referring to the exhibit, which two statements are true? (Choose two.)
- A. This router is an ABR
- B. There are two interfaces marked as passive.
- C. This router is an ASBR.
- D. There is one interface marked as passive.
Answer: B,C
NEW QUESTION 59 
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 forwarded.
- B. Traffic exceeding 100 Mbps is buffered.
- C. Traffic exceeding 100 Mbps is dropped.
- D. Traffic exceeding 100 Mbps is redirected to a rate limiter.
Answer: C
NEW QUESTION 60
Exhibit:
Referring to the exhibit, you have recently established a Layer 3 VPN between PE-1 and PE-2, connecting the two CE sites. Rowing information is being shared between sites and the customer has two-way communication After adding this VPN to your core network, PE-1 and PE-2 are no longer able to forward traffic to the Internet.
In this scenario, what is the problem?
- A. You must configure a multihop external BGP session between your PE devices and the Internet provider's ISP-A device.
- B. You must configure the inet unicast NLRI for the BGP session on both your PE devices.
- C. You must configure the inet-vpn NLRI for the BGP sessions on both your PE devices.
- D. You must configure a separate internal BGP group on both your PE devices specifically for Internet connectivity.
Answer: B
NEW QUESTION 61
You have a mixed vendor EVPN environment and you need to ensure VXLAN interoperability between all devices In this scenario which statement is correct?
- A. You should only use pure Type 5 routes
- B. You should only use pure Type 2 routes
- C. You should only use Type 2 and Type 5 routes.
- D. You should only use Type 6 and Type 2 routes
Answer: C
NEW QUESTION 62
Exhibit:
Referring to the exhibit, you are asked to summarize all routes in the 10.10.0 0/22 address range ensuring that a single summary route is present in area 49.0002 while the IS-IS internal contributing routes are restricted to area 49.0001. All other routes must not be affected.
Which two operations would have to be performed on R2 to accomplish this task? (Choose two.)
- A. Create and apply a policy with a single term to accept only the summary route.
- B. Include the to level 2 match criteria when referencing the summary route.
- C. Create and apply a policy with two terms; one to accept the summary route and one to reject the contributing routes.
- D. Include the from level 1 match criteria when referencing the summary route.
Answer: B,C
NEW QUESTION 63
Exhibit:
You notice an inconsistency between the routing table and the OSPF database, as shown in the exhibit.
What are two reasons for this behavior? (Choose two.)
- A. The LSA is a Type 5 LSA.
- B. The LSA is a Type 4 LSA.
- C. An OSPF import policy is being applied to the route.
- D. An OSPF export policy is being applied to the route.
Answer: A,C
NEW QUESTION 64
What information is stored in a VRF table for a BGP Layer 2 VPN? (Choose three.)
- A. label-switched path
- B. remote interface of local CE device
- C. Layer 2 encapsulation
- D. logical interface provisioned to local CE device local site ID
Answer: A,C,D
NEW QUESTION 65
Exhibit:
A Layer 3 VPN exists in the provider network and the CE devices are connecting to the PE devices using BGP. The PE devices are receiving BGP routes from the CE devices and the PE devices have the CE BGP routes in their respective routing tables. However, the remote CE devices are not receiving the BGP routes.
Referring to the exhibit, what is the problem?
- A. A route distinguisher mismatch exists.
- B. A VRF target community mismatch exists.
- C. The CE devices are detecting an AS loop
- D. The PE devices are detecting an AS loop.
Answer: C
NEW QUESTION 66
Exhibit.
Referring to the exhibit, which command would reduce the size of the OSPF database and corresponding routes?
A)
B)
C)
D)
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: D
NEW QUESTION 67
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. Assign the behavior aggregate classifier to the ge-0/0/1.0 interface on R2.
- B. Configure a behavior aggregate classifier on R2.
- C. Assign the CoS re-write rule 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: A,C
NEW QUESTION 68
Which two types of LSAs have an area scope? (Choose two)
- A. Type5
- B. Type 7
- C. Type 11
- D. Type 2
Answer: C,D
NEW QUESTION 69
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 policy-statement ISP term ROUTES then reject
- B. set policy-options policy-statement ISP term REST then reject
- C. set policy-options as-path LOCAL-ROUTES "()"
- D. set policy-options as-path LOCAL-ROUTES " (65310 I 65441) +"
Answer: B,C
NEW QUESTION 70
You are considering different MPLS VPN connectivity options for a new customer deployment. Your customer requires shared LSPs, Layer 2 connectivity, and auto-provisioning.
Which type of VPN satisfies the requirements?
- A. circuit cross-connects
- B. BGP Layer 2 VPNs
- C. LDP Layer 2 circuits
- D. BGP Layer 3 VPNs
Answer: B
NEW QUESTION 71
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 " (65310 I 65441)+"
- 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 "()"
Answer: C,D
NEW QUESTION 72
You are deploying a new EVPN service for your customers.
You must build the service based on the following requirements:
- both Layer 2 and Layer 3 functionality must be supported;
- your customers must be able to support multiple VLANs in the same EVPN instance (EVI).
In this scenario, which two types of routing instances should be configured? (Choose two.)
- A. virtual router
- B. virtual switch
- C. VRF
- D. EVPN
Answer: C,D
NEW QUESTION 73
Exhibit:
Which two statements regarding the output shown in the exhibit are correct? (Choose two.)
- A. The PEs have matching control word values.
- B. The type of connection is remote.
- C. The label associated with this virtual circuit is out of range.
- D. The type of connection is local.
Answer: A,B
NEW QUESTION 74
Exhibit:
You have an established Layer 3 VPN between two PE devices. You are asked to only send certain routes from PE-1 over the VPN to the remote site while maintaining all the routes on the PE-1 device. You created a policy that matches the specific routes and then tags these routes with the appropriate target community values.
In this scenario, which configuration changes must be made to satisfy the requirement?
- A. Configure the vrf-export parameter and apply the policy under the edit routing-instances vpn-a hierarchy.
- B. Configure the export parameter and apply the policy to the my-ext-group BGP group configuration.
- C. Configure the import parameter and apply the policy to the my-ext-group BGP group configuration.
- D. Configure a RIB group and apply the policy as an import policy to routes distributed into the bgp I3vpn.0 routing table
Answer: A
NEW QUESTION 75
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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 dumps will include the following topics: OSPF
- Metrics, including external metric types
- OSPF area types and operations
- SPF algorithm
- DR/BDR operation
- OSPFv2 versus OSPFv3
IS-IS
- SPF algorithm
- Route summarization and route leaking
- IS-IS areas/levels and operations
- DIS operation
- LSP flooding through an IS-IS multi-area network
BGP
- Load balancing
- Regular expressions
- Multiprotocol BGP
- BGP route selection process
- BGP communities
- FlowSpec
Class of Service (CoS)
- Rewrite rules
- Forwarding classes
- Drop profiles
- Schedulers
- CoS header fields
- Classification
- Packet loss priority
- CoS processing on Junos devices
IP Multicast
- Any-Source Multicast (ASM) versus Source-Specific Multicast (SSM)
- PIM dense-mode and sparse-mode
- Anycast RP
- Components of IP multicast, including multicast addressing
- IGMP
- SSM: requirements, benefits, address ranges
Layer 3 VPNs
- Layer 2 interworking
- Traffic flow: control and data planes
- Layer 2 VPN NLRI
- Forwarding tables
- Traffic flow: control and data planes
- Route distinguishers
- AutoDiscovery
- Route targets
- Virtual circuit label
Layer 2 VPNs
- MAC learning and distribution
- Given a scenario, demonstrate knowledge of how to configure, monitor, or troubleshoot Layer 2 VPNs
- Route targets
- Traffic flow: control and data planes
- BGP Layer 2 VPNs
- EVPNs
- VPLS Multihoming
- BGP VPLS label distribution
- Site IDs
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