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NEW QUESTION # 20
Refer to the exhibit. What is the effect of the script on the device?
- A. It replaces the entire configuration for GigabitEthernet2 on the device using RESTCONF.
- B. It merges the new configuration with the existing configuration on the device using RESTCONF.
- C. All interfaces except GigabitEthernet2 are reset to their default configurations.
- D. It compares the configuration to the device. If it matches, the device sends back an HTTP 204 status code.
Answer: B
NEW QUESTION # 21
Which two operations must be used to allow a network engineer to use NETCONF to configure and manage networking devices? (Choose two.)
- A. <remove-config>
- B. <get-config>
- C. <close-session>
- D. <open-session>
- E. <put>
Answer: B,C
NEW QUESTION # 22
An engineer is deploying a Python script to manage network devices through SSH. Which library based on Paramiko is used?
- A. paramiko.agent
- B. netmiko
- C. sshmiko
- D. libssh2
Answer: B
NEW QUESTION # 23
You create a simple service package skeleton in Cisco NSO using ncs-make-package pervice- skeleton template vlan. Which two steps must be performed to complete the service? (Choose two.)
- A. Create the VLAN service template in XML.
- B. Compile the VLAN NED.
- C. Modify the VLAN FastMap algorithm.
- D. Create the VLAN service model in YANG.
- E. Start the VLAN Python VM.
Answer: A,D
Explanation:
There is no such thing as VLAN NED, NED is dedicated for connection with network devices.
The thing with the compilation of the service package is the make, and it is only used for YANG file compilation and clean the directories.
And if using a template based service, a service YANG ans a service XML template must be created and parameterized.
NEW QUESTION # 24
Refer to the exhibit.
An engineer updated the skeleton template. How can a device be entered into the YANG Model?
- A. Modify the device instance of the device by referencing the acl_lab variable from our YANG model.
- B. Modify the device instance by referencing the device variable from our YANG model.
- C. Deploy a service instance that configures a VLAN of all of the devices present in Cisco NSO.
- D. Deploy a service instance that configures a VLAN of a list of devices referenced to the service YANG model.
Answer: B
NEW QUESTION # 25
What are two characteristics of the NFV architecture approach? (Choose two.)
- A. It typically includes a hypervisor.
- B. It is specially designed for telecommunications service providers.
- C. It is specially designed for Internet providers.
- D. It decouples the network functions from proprietary hardware appliances.
- E. It provides 70% more efficiency of network infrastructure.
Answer: A,D
Explanation:
Section: 2.0 Automation APIs and Protocols
Explanation/Reference: https://www.ciscolive.com/c/dam/r/ciscolive/us/docs/2016/pdf/LTRSPM-2022.pdf
NEW QUESTION # 26
An engineer just completed the installation of Cisco NSO and all of its components. During testing, some of the services are not working properly. To resolve the issue, the engineer started undeploying service instances. What can this cause?
- A. It runs the service code again when the device is out of sync.
- B. It removes the service configuration from the network device only.
- C. It removes the service configuration from the network and NSO.
- D. It removes the service configuration from NSO only.
Answer: C
NEW QUESTION # 27
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: C
NEW QUESTION # 28
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-ospf)#mpls ldp auto-config
- 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-ldp)#enable all
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION # 29
Refer to the exhibit.
Using the provided XML snippet, which Xpath expression prints "Jane"?
- A. //employee[0]/firstName/value()
- B. //employee[0]/firstName/text()
- C. //employee[1]/firstName/text()
- D. //employee[1]/firstName/value()
Answer: B
NEW QUESTION # 30
An engineer is deploying a Python script to manage network devices through SSH. Which library based on Paramiko is used?
- A. paramiko.agent
- B. netmiko
- C. sshmiko
- D. libssh2
Answer: B
Explanation:
Section: 2.0 Automation APIs and Protocols
Explanation/Reference: https://pynet.twb-tech.com/blog/automation/netmiko.html
NEW QUESTION # 31
Refer to the exhibit.
XTC has been configured by an engineer. What does the IPv4 address represent on the snippet?
- A. local address of the router on which it listens for PCEP
- B. configured for the remote peer for state synchronization
- C. configured for the local peer for state synchronization
- D. destination address of the router on which it listens for PCEP
Answer: A
Explanation:
Reference:
http://ipnetworkgeek.blogspot.com/2017/05/path-disjointness-with-ios-xr-traffic.html
NEW QUESTION # 32
Which statement describes an asynchronous API communication?
- A. Synchronous communication is with a central orchestrator.
- B. It is not necessary to wait for availability of a resource.
- C. An application can freeze if there is no response from a request.
- D. Asynchronous communication waits for a response.
Answer: B
NEW QUESTION # 33
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. The emsd process is not running.
- B. There are polling interval problems.
- C. SNMP is not enabled.
- D. There is no support for IOS XR 64-bit.
Answer: A
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 # 34
Which two commands generate a template using Cisco NSO to build a service package? (Choose two.)
- A. show running-config devices device ce-ios config ios:interface Loopback 0 | display xml | save template.xml
- B. show running-config devices device ce-ios config ios:interface Loopback 0
- C. show running-config devices device ce-ios config ios:interface Loopback 0 | display template.xml
- D. show running-config devices device ce-ios config ios:interface Loopback 0 | display xml
- E. request running-config devices device ce-ios config ios:interface Loopback 0 | display xml
Answer: C,E
NEW QUESTION # 35
Which two communication protocols does Cisco IOS XR support? (Choose two.)
- A. gRPC
- B. XR-API
- C. XML
- D. NETCONF
- E. NX-API
Answer: A,D
NEW QUESTION # 36
Which two use cases are valid for Cisco WAN Automation Engine? (Choose two.)
- A. what-if analysis
- B. network controller
- C. device manager
- D. integration with Cisco XTC
- E. deployment of SR policies
Answer: D,E
Explanation:
Reference: https://www.ciscolive.com/c/dam/r/ciscolive/apjc/docs/2018/pdf/BRKSPG-2008.pdf Slide 16
NEW QUESTION # 37
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
Explanation:
https://pypi.org/project/ncclient/
NEW QUESTION # 38
Refer to the exhibit.
An automation engineer has created a RESTCONF POST to configure network devices. Which two tasks are accomplished when the code is executed? (Choose two.)
- A. If the specified configuration is already in the running configuration, the command updates this request.
- B. If the specified configuration is not on the device, the POST request creates it.
- C. If the specified configuration is already in the running configuration, the command is not replaced by this request.
- D. If the specified configuration is already executed in the running configuration, the command is merged with this request.
- E. If the specified configuration is already in the running configuration, the command is replaced by this request.
Answer: A,B
NEW QUESTION # 39
An engineer needs to configure network devices in an automated way. Which two ways are used to create structured data using YANG to provide REST-like APIs to enable programmability access? (Choose two.)
- A. E.XML
- B. YAML
- C. JSON
- D. JSON-RPC
- E. GPB
Answer: A,C
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/ b_166_programmability_cg/restconf_prog_int.pdf
NEW QUESTION # 40
A developer needs to create a new branch using the tag "v2.1". After creation, the new code must be applied in the newly created branch. Which set of commands must the developer use?
git checkout -b my-branch v2.1 -create
- A. git checkout my-branch
git branch my-branch - B. git checkout my-branch
git branch -create my-branch v2.1 - C. git checkout my-branch
git branch my-branch v2.1 - D. git checkout my-branch v2.1 create
Answer: A
Explanation:
The command git branch my-branch v2.1 creates a new branch named my-branch based on the tag v2.1. git checkout my-branch switches to the new branch to begin applying new code.
NEW QUESTION # 41
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. show dry-run output
- B. pseudo-commit
- C. show service impact
- D. commit dry-run outformat native
Answer: D
NEW QUESTION # 42
When implementing MPLS TE tunnels on Cisco IOS XR routers, what is the tunnel setup and hold priority value range, and which value has the highest priority?
- A. 0-63, where 63 is the highest priority
- B. 0-7, where 7 is the highest priority
- C. 0-63, where 0 is the highest priority
- D. 0-7, where 0 is the highest priority
Answer: D
NEW QUESTION # 43
Which component of Cisco Crosswork provides centralized control and automation for network operations?
- A. situation manager
- B. data gateway
- C. network controller
- D. health insights
Answer: C
Explanation:
The network controller component of Cisco Crosswork provides centralized control and automation for network operations.
NEW QUESTION # 44
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