JN0-1361 Service Provider Design Specialist (JNCDS-SP) Exam

Description
Designed for networking professionals and designers with intermediate knowledge of service provider design, theory, and best practices, this written exam verifies the candidate’s understanding of service provider design principles.

Further Information
JNCDS-SP exam ics are based on the content of the recommended instructor-led training courses (when available), as well as additional resources.

Exam code: JN0-1361
Written exam
Exam length: 90 minutes
Exam type: 65 multiple-choice questions
Pass/fail status is available immediately

Objectives
The Contents list provides a general view of the skill set required to successfully complete the specified certification exam

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Content

Describe the various methods of WAN connectivity
Public/private/managed
Service provider connectivity
Service provider hand-off methods
Service provider MPLS services
Enterprise Internet transport
Enterprise Layer 2/Layer 3 handoff services
Enterprise private connections

Describe network availability concepts
Calculating availability
Physical redundancy
Logical redundancy
Fate sharing (for example, high availability)
Capacity planning

Describe class of service concepts
Diffserv
CoS processing

Describe the design considerations of a service provider’s core WAN
Network segmentation
IGP design
BGP design
MPLS design

Describe the design considerations of a service provider’s edge WAN
Layer 2 Services
Layer 3 services
Metro Ethernet
Subscriber services
Multicast services

Describe the design considerations of an Enterprise WAN
Private WANs
Large enterprise WAN design
SME WAN design

Describe the design considerations of a data center WAN
Gateway and fabric connectivity
L2 WAN extensions
EVPN
VXLAN

Describe the design considerations for security in the WAN
Platform security
BGP Flowspec
MACsec
IPsec
Subscriber access security

Describe the design considerations for WAN management
OoB management design
Junos Space management platform
Best practices

Describe the design considerations of SDN in the WAN
SD-WAN (protocols, considerations, benefits)
NorthStar Controller
NorthStar Planner
Contrail Cloud CPE

Related Courses
Juniper Networks Design-Service Provider

QUESTION 1
You work for service provider B that wants to implement a hot potato routing policy on the network
so that router C uses link C-A to reach service provider A’s advertised routes and router D uses link DB
to reach Service Provider A’s advertised routes Currently traffic from router C is traversing the core
to exit the network on router B .
Referring to the exhibit, what are two design actions that would satisfy the requirements? (Choose two.)

A. Implement BGP-ORR
B. Configure new IBGP neighbors between routers C and A and routers D and B
C. Implement BGP-LS
D. Configure the route reflector to send multiple copies of a route learned from different IBGP peers to its clients.

Answer: B, D

QUESTION 2
Your customer is paying for traffic prioritization and you must ensure that all traffic from their 172.27.
10.0 network receives top priority through your network.
Which action will satisfy this requirement?

A. Apply a behavior aggregate classifier to the egress interface.
B. Apply a custom rewrite rule to the ingress interface.
C. Apply a multifield classifier to the ingress interfaces.
D. Apply a custom scheduler map to the ingress interface.

Answer: C

We would need MF to match the address and set the forwarding class.

QUESTION 3
You are designing a service provider core network As part of the design, you must ensure that the
MPLS network utilizes the traffic engineering database (TED) for path selection and resiliency. You
have chosen OSPF as the IGP for your design.
In this scenario which statement is correct?

A. You must enable traffic engineering in OSPF to populate the TED.
B. OSPF cannot be used to populate the TED.
C. You must disable traffic engineering in OSPF to use the TED.
D. OSPF populates the TED by default.

Answer: A

QUESTION 4
Your company is designing a new data center in a remote location that must be connected to your
local data center. You have a service provider connection between the CE devices at each site. You
want to implement EVPN with VXLAN services between sites, but the service provider does not offer
EVPN services.
Which two statements are true in this scenario? (Choose two )

A. The provider’s edge devices must map your VXLAN VNIs to MPLS LSPs within the provider network at each site
B. The customer’s edge devices within your data center can act as VXLAN Layer 2 gateways
C. You can still implement EVPN service across the service provider as long as there is IP reachability between the sites.
D. The service provider must provide an MPLS-based VPN connection between sites

Answer: B, C