Implementing and Operating Cisco Service Provider Network Core Technologies
Duration: 120 minutes
Languages: English
Price: USD, plus tax or use Cisco Learning Credits
Associated certifications
CCNP Service Provider
CCIE Service Provider
Cisco Certified Specialist – Service Provider Core
Exam overview
This exam tests your knowledge of implementing core service provider network technologies, including:
Core architecture
Services
Networking
Automation
Quality of services
Security
Network assurance
Implementing and Operating Cisco Service ProviderNetwork Core Technologies v1.0 (350-501)
Exam Description:
Implementing and Operating Cisco Service Provider Network Core Technologies v1.0 (SPCOR 350-501) is a 120-minute exam associated with the CCNP and CCIE Service Provider
Certifications. This exam tests a candidate’s knowledge of implementing core service provider network technologies including core architecture, services, networking, automation, quality of services, security,
and network assurance. The course, Implementing and Operating Cisco Service Provider Network Core Technologies, helps candidates to prepare for this exam.
The following topics are general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam. To better reflect the contents
of the exam and for clarity purposes, the guidelines below may change at any time without notice.
15% 1.0 Architecture
1.1 Describe service provider architectures
1.1.a Core architectures (Metro Ethernet, MPLS, unified MPLS, SR)
1.1.b Transport technologies (Optical, xDSL, DOCSIS, TDM, and xPON)
1.1.c Mobility (packet core, RAN xhaul transport for 4G and 5G)
1.2 Describe Cisco network software architecture
1.2.a IOS
1.2.b IOS XE
1.2.c IOS XR
1.3 Describe service provider virtualization
1.3.a NFV infrastructure
1.3.b VNF workloads
1.3.c OpenStack
1.4 Describe QoS architecture
1.4.a MPLS QOS models (Pipe, Short Pipe, and Uniform)
1.4.b MPLS TE QoS (MAM, RDM, CBTS, PBTS, and DS-TE)
1.4.c DiffServ and IntServ QoS models
1.4.d Trust boundaries between enterprise and SP environments
1.4.e IPv6 flow label
1.5 Configure and verify control plan security
1.5.a Control plane protection techniques (LPTS and CoPP)
1.5.b BGP-TTL security and protocol authentication
1.5.c BGP prefix suppression
1.5.d LDP security (authentication and label allocation filtering)
1.5.e BGP sec
1.5.f BGP flowspec
1.6 Describe management plane security
1.6.a Traceback
1.6.b AAA and TACACS
1.6.c RestAPI security
1.6.d DdoS
1.7 Implement data plane security
1.7.a uRPF
1.7.b ACLs
1.7.c RTBH
30% 2.0 Networking
2.1 Implement IS-IS (IPv4 and IPv6)
2.1.a Route advertisement
2.1.b Area addressing
2.1.c Multitopology
2.1.d Metrics
2.2 Implement OSPF (v2 and v3)
2.2.a Neighbor adjacency
2.2.b Route advertisement
2.2.c Multiarea (addressing and types)
2.2.d Metrics
2.3 Describe BGP path selection algorithm
2.4 Implement BGP (v4 and v6 for IBGP and EBGP)
2.4.a Neighbors
2.4.b Prefix advertisement
2.4.c Address family
2.4.d Path selection
2.4.e Attributes
2.4.f Redistribution
2.5 Implement routing policy language and route maps (BGP, OSPF, IS-IS)
2.6 Troubleshoot routing protocols
2.6.a Neighbor adjacency (IS-IS, OSPF, BGP)
2.6.b Route advertisement (IS-IS, OSPF, BGP)
2.7 Describe IPv6 transition (NAT44, NAT64, 6RD, MAP, and DS Lite)
2.8 Implement high availability
2.8.a NSF / graceful restart
2.8.b NSR
2.8.c BFD
2.8.d Link aggregation
20% 3.0 MPLS and Segment Routing
3.1 Implement MPLS
3.1.a LDP sync
3.1.b LDP session protection
3.1.c LDP neighbors
3.1.d Unified MPLS
3.1.e MPLS OAM
3.2 Describe traffic engineering
3.2.a ISIS and OSPF extensions
3.2.b RSVP functionality
3.2.c FRR
3.3 Describe segment routing
3.3.a Segment types
3.3.b IGP control plane
3.3.c Segment routing traffic engineering
3.3.d TI-LFa
3.3.e PCE-PCC architectures
20% 4.0 Services
4.1 Describe VPN services
4.1.a EVPN
4.1.b Inter-AS VPN
4.1.c CSC
4.1.d mVPN
4.2 Configure L2VPN and Carrier Ethernet
4.2.a Ethernet services (E-Line, E-Tree, E-Access, E-LAN)
4.2.b IEEE 802.1ad, IEEE 802.1ah, and ITU G.8032
4.2.c Ethernet OAM
4.2.d VLAN tag manipulation
4.3 Configure L3VPN
4.3.a Intra-AS VPN
4.3.b Shared services (extranet and Internet)
4.4 Implement multicast services
4.4.a PIM (PIM-SM, PIM-SSM, and PIM-BIDIR)
4.4.b IGMP v1/v2/v3 and MLD
4.5 Implement QoS services
4.5.a Classification and marking
4.5.b Congestion avoidance, traffic policing, and shaping
15% 5.0 Automation and Assurance
5.1 Describe the programmable APIs used to include Cisco devices in network automation
5.2 Interpret an external script to configure a Cisco device using a REST API
5.3 Describe the role of Network Services Orchestration (NSO)
5.4 Describe the high-level principles and benefits of a data modeling language, such as YANG
5.5 Compare agent vs. agentless configuration management tools, such as Chef, Puppet, Ansible, and SaltStack
5.6 Describe data analytics and model-driven telemetry in service provider
5.7 Configure dial-in/out telemetry streams using gRPC
5.8 Configure and verify NetFlow/IPFIX
5.9 Configure and verify NETCONF and RESTCONF
5.10 Configure and verify SNMP (v2c/v3)
Sample Questions and Answers
QUESTION 1
Egress PE NAT is being used via a single centralized router to provide Internet access to L3VPN customers.
Which description of the NAT operation is true?
A. Users m different VRFs cannot share the same outside global IP address
B. The NAT table contains a field to identify the inside VRF of a translation
C. Multiple address pools are needed for the same L3VPN because each site has a separate NAT
D. The different L3VPNs using the Internet access must not have IP overlaps internally
Answer: B
QUESTION 2
How much must the MTU be increased when configuring the 802.1q VLAN tag?
A. 2 bytes
B. 4 bytes
C. 8 bytes
D. 12 bytes
Answer: B
QUESTION 3
Refer to the exhibit:
Export statistics received do not include the BGP next hop.
Which statement about the NetFlow export statistics is true?
A. Only the origin AS of the source router will be included in the export statistics.
B. Loopback 0 must be participating in BGP for it to be included in the export statistics.
C. The origin AS and the peer-as will be included in the export statistics.
D. To include the BGP next hop in the export statistics, those keywords must be included with the version 9 entry.
Answer: D
QUESTION 4
Refer to the exhibit:
Which three outcomes occur if the prefix list is added to the neighbor? (Choose three)
A. 192.168 0.0 is denied.
B. 192.168 0.0 is denied.
C. 192.168 0.0 is permitted
D. 192.168.0.0 is denied
E. 192.168 0.0 is permitted
F. 192.168 0.0 is permitted
Answer: CDF
QUESTION 5
Which statement about segment routing prefix segments is true?
A. It is linked to a prefix SID that is globally unique within segment routing domain.
B. It is the longest path to a node.
C. It is linked to an adjacency SID that is globally unique within the router.
D. It requires using EIGRP to operate.
Answer: A
QUESTION 6
DRAG DROP
Drag and drop the functions from the left onto the correct Path Computation Element Protocol roles
on the right
Answer:
Explanation:
Path Computation Element (Calculates paths through the network, keeps TE topology database
information, sends path status updates)
Path computation Client (sends path calculation request, sends path creation request)
Path Computation Element (PCE)
Represents a software module (which can be a component or application) that enables the router to
compute paths applying a set of constraints between any pair of nodes within the routers TE
topology database. PCEs are discovered through IGP.
Path Computation Client (PCC)
Represents a software module running on a router that is capable of sending and receiving path
computation requests and responses to and from PCEs. The PCC is typically an LSR (Label Switching
Router).
https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r5-3/mpls/configuration/guide/bmplscg53x-
crs/b-mpls-cg53x-crs_chapter_0110.html#con_1279822
QUESTION 7
You are creating new Cisco MPLS TE tunnels. Which type of RSVP message does the headend router send to reserve bandwidth on the path to the tunnels router?
A. error
B. reservation
C. path
D. tear
Answer: C
QUESTION 8
An engineer is setting up overlapping VPNs to allow VRF ABC and XYZ to communicate with VRF
CENTRAL but wants to make sure that VRF ABC and XYZ cannot communicate. Which configuration accomplishes these objectives?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
QUESTION 9
In an MPLS network, which protocol can be used to distribute a Segment Prefix?
A. OSPF
B. LDP
C. RSVP-TE
D. EIGRP
Answer: A
QUESTION 10
DRAG DROP
Drag and drop the NAT64 descriptions from the left onto the correct NAT64 types on the right.
Answer:
Explanation:
Stateful (It has 1: N translation, It uses address overloading, It conservers IPv4 addresses)
Stateless (It is limited on the number of endpoints, It mandates IPv4-translatable IPv6 address allocation)
QUESTION 11
Which statement about Network Services Orchestrator (NSO) is true?
A. It is used only in service provider environments
B. It can be used only with XML coding
C. It uses YANG modeling language to automate devices
D. It must use SDN as an overlay for addressing
Answer: C
QUESTION 12
Which task must be performed first to Implement BFD in an IS-IS environment?
A. Disable Cisco Express Forward.ng on all interfaces running routing protocols other than IS-IS
B. Configure BFD under the IS-IS process
C. Configure all ISIS routers as Level 2 devices
D. Configure BFD in an interface configuration mode
Answer: D
QUESTION 13
An engineer working for telecommunication company with an employee id: 3715 15 021 needs to
secure the LAN network using a prefix list Which best practice should the engineer follow when he implements a prefix list?
A. An engineer must use non sequential sequence numbers in the prefix list so that he can insert additional entries later.
B. The final entry in a prefix list must be
C. An engineer must identity the prefix list with a number only
D. An engineer must include only the prefixes for which he needs to log activity.
Answer: A
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