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How to Prepare For Automating and Programming Cisco Service Provider Solutions (300-535 SPAUTO)
Preparation Guide for Automating and Programming Cisco Service Provider Solutions (300-535 SPAUTO)
Introduction
This exam tests a candidate's knowledge of implementing service provider automated solutions, including programming concepts, orchestration, programming OS, and automation tools. This exam also tests your knowledge of implementing service provider automated solutions, including:
- Automation tools
- Programming OS
- Orchestration
- Programming concepts
CCNP Service Provider certification is for service provider network engineers, systems engineers, and network specialists who are responsible for delivering a scalable carrier-grade infrastructure capable of rapid expansion to support ongoing introduction of new managed services and other customer requirements.
CISCO 300-535 practice exams and CISCO 300-535 practice test will help to understand and memorize the concepts and detailed answers and solutions.
Cisco 300-535 certification exam is designed for professionals who wish to demonstrate their expertise in automating and programming Cisco collaboration solutions. Automating and Programming Cisco Collaboration Solutions certification exam is intended for individuals who are responsible for designing, implementing, and managing Cisco collaboration solutions. 300-535 exam covers a wide range of topics related to automation and programming of Cisco collaboration solutions, including programming languages, APIs, and automation tools.
NEW QUESTION # 21 
Refer to the exhibit. Which XML output is a valid instantiation of the YANG model?
- A.
- B.
- C.
- D.
Answer: D
Explanation:
Section: 3.0 Network Device Programmability
NEW QUESTION # 22 
Refer to the exhibit. What must be added after the last line of the Ansible playbook to check if the output contains "IOS-XR"?
- A. wait_for: result[1] contains "IOS-XR"
- B. notify: "IOS-XR"
- C. wait_for_connection:
- D. wait_for: result[0] contains IOS-XR
Answer: D
Explanation:
Section: 2.0 Automation APIs and Protocols
Explanation/Reference:
NEW QUESTION # 23
What tool is used to perform a "what if" failure analysis in a service provider network that is running Segment Routing?
- A. Cisco WAN Automation Engine
- B. Cisco Network Services Orchestrator
- C. Cisco Evolved Programmable Network Manager
- D. Cisco Segment Routing Path Computation Element
Answer: A
Explanation:
Reference: https://www.cisco.com/c/en/us/products/routers/wan-automation-engine/index.html
NEW QUESTION # 24
Refer to the exhibit.
The ncclient Python script is captured from the ncclient import manager. Which configuration on the Cisco IOS XE device is the script used to enable?
- A. router ospf 100 router-id 10.1.1.0
network 1.1.1.1 0.0.0.3 area 0 - B. router ospf 100 router-id 1.1.1.1
- C. router ospf 100 router-id 1.1.1.1
network 10.1.1.0 0.0.0.3 area 0 - D. router ospf 100
network 10.1.1.0 0.0.0.3 area 0
Answer: C
NEW QUESTION # 25
Refer to the exhibit.
What is the cause of the status of the interface subscription?
- A. The router is waiting for a collector to dial in.
- B. The router cannot establish a gRPC connection with the collector.
- C. This is the expected state of an active subscription.
- D. The sensor-group "Interface-Counters" does not contain a valid YANG path.
Answer: D
NEW QUESTION # 26
Refer to the exhibit.
XTC has been configured by an engineer. What does the IPv4 address represent on the snippet?
- A. configured for the local peer for state synchronization
- B. configured for the remote peer for state synchronization
- C. destination address of the router on which it listens for PCEP
- D. local address of the router on which it listens for PCEP
Answer: D
Explanation:
Reference:
http://ipnetworkgeek.blogspot.com/2017/05/path-disjointness-with-ios-xr-traffic.html
NEW QUESTION # 27
Referring to the Cisco IOS XR configuration exhibit,
which labels will be advertised by the router with this configuration?
- A. Only the label for 10.1.1.1/32 will be advertised to all the LDP peers.
- B. Labels for all prefixes will be advertised to all the LDP peers.
- C. Labels for all prefixes will be advertised to the 10.1.1.1 LDP peer.
- D. No labels will be advertised to any LDP peers.
Answer: A
NEW QUESTION # 28
Refer to the exhibit.
What is the result of the Ansible task?
- A. It configures a Cisco IOS router with BGP on AS500 and redistributes OSPF into BGP.
- B. It validates the BGP configuration on a Cisco IOS XR router, but it is a read-only module and cannot modify the configuration on the router.
- C. It configures a Cisco IOS XR router with BGP AS65000 with two neighbors and redistributes OSPF into BGP.
- D. It validates the BGP configuration on a Cisco IOS XE router, but it is a check mode-only network module and cannot modify the configuration on the router.
Answer: C
Explanation:
Reference: https://docs.ansible.com/ansible/latest/modules/iosxr_bgp_module.html
NEW QUESTION # 29
When using Cisco YDK, which syntax configures the BGP ASN using OpenConfig BGP?
- A. bgp.global_.config.as_ = 65000
- B. bgp.config.as_ = 65000
- C. bgp.global.config.as_ = 65000
- D. bgp.global_.config.as = 65000
Answer: A
Explanation:
Section: 2.0 Automation APIs and Protocols
Explanation/Reference: https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2019/pdf/BRKNMS-2032.pdf
NEW QUESTION # 30
Which Cisco IOS XR command should be used in order to enable LDP on all interfaces for which the IGP protocol is enabled?
- A. RP/0/0/CPU0:R1(config-ldp)#enable all
- B. RP/0/0/CPU0:R1(config-ospf)#enable all
- C. RP/0/0/CPU0:R1(config-ospf)#mpls ldp interface all enable
- D. RP/0/0/CPU0:R1(config-ospf)#mpls ldp auto-config
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION # 31
A Cisco NSO service has just been deployed. Which Cisco NSO CLI command is used to inspect the resulting device configuration changes before the changes are pushed to the network?
- A. commit dry-run outformat native
- B. show service impact
- C. pseudo-commit
- D. show dry-run output
Answer: A
Explanation:
Section: 2.0 Automation APIs and Protocols
NEW QUESTION # 32
Refer to the exhibit.
After this operation, what else is needed to change the hostname of the router to IOS-XR- SJC-19?
- A. <close-session>
- B. <commit>
- C. <get-config>
- D. <confirm>
Answer: B
NEW QUESTION # 33
Refer to the exhibit.
What is the significance of "*" before the "father" leaf that is shown in the pyang tree output?
- A. The node father is read-only in the family list.
- B. The father leaf is a key in the family list type.
- C. The leaf father is read-write in the family list.
- D. It is a node list in a leaf type node.
Answer: C
NEW QUESTION # 34
Refer to the exhibit.
XTC has been configured by an engineer. What does the IPv4 address represent on the snippet?
- A. configured for the local peer for state synchronization
- B. configured for the remote peer for state synchronization
- C. destination address of the router on which it listens for PCEP
- D. local address of the router on which it listens for PCEP
Answer: D
Explanation:
Reference:
http://ipnetworkgeek.blogspot.com/2017/05/path-disjointness-with-ios-xr-traffic.html
NEW QUESTION # 35
An engineer is deploying a Python script to manage network devices through SSH. Which library based on Paramiko is used?
- A. paramiko.agent
- B. libssh2
- C. sshmiko
- D. netmiko
Answer: D
Explanation:
Reference: https://pynet.twb-tech.com/blog/automation/netmiko.html
NEW QUESTION # 36
A user is debugging a problem with model-driven dial-in/out streams with gRPC for a Cisco IOS XR implementation. There is no streaming data and the path is not resolved when the show telemetry model- driven subscription command is issued on the router. What is the cause of the problem?
- A. SNMP is not enabled.
- B. The emsd process is not running.
- C. There is no support for IOS XR 64-bit.
- D. There are polling interval problems.
Answer: B
Explanation:
Reference: https://community.cisco.com/t5/service-providers-documents/implementing-grpc-telemetry-on-xr- devices/ta-p/3393966
NEW QUESTION # 37
What tool is used to perform a "what if" failure analysis in a service provider network that is running Segment Routing?
- A. Cisco WAN Automation Engine
- B. Cisco Network Services Orchestrator
- C. Cisco Evolved Programmable Network Manager
- D. Cisco Segment Routing Path Computation Element
Answer: A
Explanation:
Reference:
https://www.cisco.com/c/en/us/products/routers/wan-automation-engine/index.html
NEW QUESTION # 38
Refer to the exhibit.
Which two configuration leaves in this YANG model are optional? (Choose two.)
- A. type
- B. enabled
- C. mtu
- D. oper-status
- E. last-change
Answer: C,E
NEW QUESTION # 39
After a configuration request is sent using NETCONF, which call releases any locks and resources associated with the session?
- A. <close-activity>
- B. <close-session>
- C. <boot-app>
- D. <exit-operation>
Answer: B
Explanation:
Reference: https://tools.ietf.org/html/rfc6241
NEW QUESTION # 40
FILL BLANK
Fill in the blank to complete the statement about NETCONF and Python libraries.
________________ is a Python library that facilitates client-side scripting and deploying changes to the network using the NETCONF protocol.
Answer:
Explanation:
Ncclient
Section: Automation and Orchestration Platforms
Explanation/Reference:
https://pypi.org/project/ncclient/
NEW QUESTION # 41
When implementing MPLS DS-TE on Cisco IOS XR routers, all aggregate Cisco MPLS TE traffic is mapped to which class type by default?
- A. class type class-default (bandwidth best-effort)
- B. class-type 0 (bandwidth global pool)
- C. class-type 1 (bandwidth subpool)
- D. class-type 2 (bandwidth priority)
Answer: B
Explanation:
Explanation
Explanation:
Differentiated Services Traffic Engineering
MPLS Differentiated Services (Diff-Serv) Aware Traffic Engineering (DS-TE) is an extension of the regular MPLS-TE feature. Regular traffic engineering does not provide bandwidth guarantees to different traffic classes. A single bandwidth constraint is used in regular TE that is shared by all traffic. To support various classes of service (CoS), users can configure multiple bandwidth constraints. These bandwidth constraints can be treated differently based on the requirement for the traffic class using that constraint.
MPLS diff-serv traffic engineering provides the ability to configure multiple bandwidth constraints on an MPLSenabled interface. Available bandwidths from all configured bandwidth constraints are advertised using IGP.
TE tunnel is configured with bandwidth value and class-type requirements. Path calculation and admission control take the bandwidth and class-type into consideration. RSVP is used to signal the TE tunnel with bandwidth and class-type requirements.
Diff-Serv TE can be deployed with either Russian Doll Model (RDM) or Maximum Allocation Model (MAM) for bandwidth calculations.
TE Class Mapping
Each of the eight available bandwidth values advertised in the IGP corresponds to a TE Class. Because the IGP advertises only eight bandwidth values, there can be a maximum of only eight TE classes supported in an IETF DS-TE network.
TE class mapping must be exactly the same on all routers in a DS-TE domain. It is the responsibility of the operator configure these settings properly as there is no way to automatically check or enforce consistency.
The operator must configure TE tunnel class types and priority levels to form a valid TE class. When the TE class map configuration is changed, tunnels already up are brought down. Tunnels in the down state, can be set up if a valid TE class map is found.
Table 4 TE Classes and Priority
The default mapping includes four classes types.
NEW QUESTION # 42
Refer to the Cisco IOS XR policy-map configuration exhibit.
What is wrong with the policy-map configuration?
- A. missing the police command under class three
- B. missing the police command under class one and class two
- C. missing the priority percent command under class one and class two
- D. missing the priority bandwidth command under class one and class two
- E. missing the bandwidth command under class one and class two
Answer: B
Explanation:
Hierarchical policing is also supported. In such a configuration, both parent and child policies have class-maps containing policing statements, as in the following example:
!
policy-map child
class gold
police rate percent 50 conform-action set precedence immediate exceed-action drop
!
!
policy-map parent
class match_all
police rate 10000 kbps burst 15000 exceed-action drop
service-policy child
NEW QUESTION # 43
Refer to the exhibit.
What are the two outcomes when the RESTCONF POST code is implemented? (Choose two.)
- A. An L3VPN endpoint to a VPN is replaced.
- B. An L3VPN endpoint to a VPN is merged.
- C. An L3VPN endpoint to a VPN is updated.
- D. A new VPN endpoint to a VPN is added.
- E. A new L3VPN endpoint to a VPN is added.
Answer: C,E
NEW QUESTION # 44
Which command configures the remote peer when the Cisco IOS XR Traffic Controller is used?
- A. state ipv4 192.168.0.3
- B. peer ipv4 192.168.0.3
- C. peer-sync ipv4 192.168.0.3
- D. state-sync ipv4 192.168.0.3
Answer: D
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-2/segment-routing/ configuration/guide/b-segment-routing-cg-asr9000-62x/b-seg-routing-cg-asr9000-62x_chapter_01001.html
NEW QUESTION # 45
A user is debugging a problem with model-driven dial-in/out streams with gRPC for a Cisco IOS XR implementation. There is no streaming data and the path is not resolved when the show telemetry model- driven subscription command is issued on the router. What is the cause of the problem?
- A. SNMP is not enabled.
- B. The emsd process is not running.
- C. There is no support for IOS XR 64-bit.
- D. There are polling interval problems.
Answer: B
Explanation:
Section: 3.0 Network Device Programmability
Explanation/Reference: https://community.cisco.com/t5/service-providers-documents/implementing-grpc-telemetry-on-xr- devices/ta-p/3393966
NEW QUESTION # 46
......
Cisco 300-535 certification exam is an ideal certification for IT professionals who want to build their career in automation and programming in the Cisco collaboration environment. Automating and Programming Cisco Collaboration Solutions certification validates the candidates' ability to automate and program Cisco collaboration solutions using programming languages such as Python and APIs. Automating and Programming Cisco Collaboration Solutions certification is part of the Cisco Certified DevNet Professional certification program and covers a wide range of topics, including collaboration APIs, Python programming, event-driven programming, and network programmability foundations.
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