Question 1

What is an interior YANG data node that exists in at most one instance in the data tree and has no value?

Accepted Answer

A)  listing node 
B)  tree node 
C)  container node 
D)  leaf node 
A)  listing node 
B)  tree node 
C)  container node 
D)  leaf node

Question 2

Which data format should be used to serialize structured data in the most compact way?

Accepted Answer

A)  protobufs 
B)  YAML 
C)  JSON 
D)  XML 
A)  protobufs 
B)  YAML 
C)  JSON 
D)  XML

Question 3

An engineer is deploying a Python script to manage network devices through SSH. Which library based on Paramiko is used?

Accepted Answer

A)  sshmiko 
B)  paramiko.agent 
C)  libssh2 
D)  netmiko 
A)  sshmiko 
B)  paramiko.agent 
C)  libssh2 
D)  netmiko

Question 4

Which option is the appropriate method for CBWFQ WRED implementation in Cisco IOS XR?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 5

Which NETCONF datastore is locked while the network device configuration is edited?

Accepted Answer

A)  running 
B)  common 
C)  startup 
D)  working 
A)  running 
B)  common 
C)  startup 
D)  working

Question 6

Refer to the exhibit. An engineer updated the skeleton template. How can a device be entered into the YANG Model?

Accepted Answer

A)  Modify the device instance of the device by referencing the acl_lab variable from our YANG model. 
B)  Deploy a service instance that configures a VLAN of all of the devices present in Cisco NSO. 
C)  Deploy a service instance that configures a VLAN of a list of devices referenced to the service YANG model. 
D)  Modify the device instance by referencing the device variable from our YANG model. 
A)  Modify the device instance of the device by referencing the acl_lab variable from our YANG model. 
B)  Deploy a service instance that configures a VLAN of all of the devices present in Cisco NSO. 
C)  Deploy a service instance that configures a VLAN of a list of devices referenced to the service YANG model. 
D)  Modify the device instance by referencing the device variable from our YANG model.

Question 7

Which Cisco IOS XR command should be used in order to enable LDP on all interfaces for which the IGP protocol is enabled?

Accepted Answer

A)  RP/0/0/CPU0:R1(config-ospf)#mpls ldp auto-config 
B)  RP/0/0/CPU0:R1(config-ospf)#mpls ldp interface all enable 
C)  RP/0/0/CPU0:R1(config-ospf)#enable all 
D)  RP/0/0/CPU0:R1(config-ldp)#enable all 
A)  RP/0/0/CPU0:R1(config-ospf)#mpls ldp auto-config 
B)  RP/0/0/CPU0:R1(config-ospf)#mpls ldp interface all enable 
C)  RP/0/0/CPU0:R1(config-ospf)#enable all 
D)  RP/0/0/CPU0:R1(config-ldp)#enable all

Question 8

Refer to the exhibit. Which XML output is a valid instantiation of the YANG model?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 9

Refer to the exhibit. Which command prints out (44, 22) when this code is run on Python 3?

Accepted Answer

A)  print(swap1(d, b)) 
B)  print(swap2(a, b)) 
C)  print(swap1(b, d)) 
D)  print(swap2(22, 44)) 
A)  print(swap1(d, b)) 
B)  print(swap2(a, b)) 
C)  print(swap1(b, d)) 
D)  print(swap2(22, 44))

Question 10

Refer to the exhibit. Which HTTP authentication mechanism is being used?

Accepted Answer

A)  simple 
B)  basic 
C)  OAuth 
D)  token 
A)  simple 
B)  basic 
C)  OAuth 
D)  token

Question 11

Refer to the exhibit. What must be added after the last line of the Ansible playbook to check if the output contains "IOS-XR"?

Accepted Answer

A)  wait_for: result[1] contains "IOS-XR" 
B)  wait_for: result[0] contains IOS-XR 
C)  notify: "IOS-XR" 
D)  wait_for_connection: 
A)  wait_for: result[1] contains "IOS-XR" 
B)  wait_for: result[0] contains IOS-XR 
C)  notify: "IOS-XR" 
D)  wait_for_connection:

Question 12

When implementing MPLS DS-TE on Cisco IOS XR routers, all aggregate Cisco MPLS TE traffic is mapped to which class type by default?

Accepted Answer

A)  class-type 0 (bandwidth global pool) 
B)  class-type 1 (bandwidth subpool) 
C)  class-type 2 (bandwidth priority) 
D)  class type class-default (bandwidth best-effort) 
A)  class-type 0 (bandwidth global pool) 
B)  class-type 1 (bandwidth subpool) 
C)  class-type 2 (bandwidth priority) 
D)  class type class-default (bandwidth best-effort)

Question 13

What is a primary difference between QoS operations on IOS and IOS XR?

Accepted Answer

A)  IOS XR features multi-level LLQ 
B)  IOS XR automatically polices the LLQ 
C)  IOS XR does not support NBAR 
D)  IOS XR cannot set FR-DE 
A)  IOS XR features multi-level LLQ 
B)  IOS XR automatically polices the LLQ 
C)  IOS XR does not support NBAR 
D)  IOS XR cannot set FR-DE

Question 14

Referring to the Cisco IOS XR configuration exhibit,   which labels will be advertised by the router with this configuration?

Accepted Answer

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 the 10.1.1.1 LDP peer. 
C)  Labels for all prefixes will be advertised to all the LDP peers. 
D)  No labels will be advertised to any LDP peers. 
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 the 10.1.1.1 LDP peer. 
C)  Labels for all prefixes will be advertised to all the LDP peers. 
D)  No labels will be advertised to any LDP peers.

Question 15

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?

Accepted Answer

A)  0-63, where 0 is the highest priority 
B)  0-63, where 63 is the highest priority 
C)  0-7, where 0 is the highest priority 
D)  0-7, where 7 is the highest priority 
A)  0-63, where 0 is the highest priority 
B)  0-63, where 63 is the highest priority 
C)  0-7, where 0 is the highest priority 
D)  0-7, where 7 is the highest priority

Question 16

Refer to the exhibit. What is the cause of the status of the interface subscription?

Accepted Answer

A)  The router cannot establish a gRPC connection with the collector. 
B)  The sensor-group "Interface-Counters" does not contain a valid YANG path. 
C)  The router is waiting for a collector to dial in. 
D)  This is the expected state of an active subscription. 
A)  The router cannot establish a gRPC connection with the collector. 
B)  The sensor-group "Interface-Counters" does not contain a valid YANG path. 
C)  The router is waiting for a collector to dial in. 
D)  This is the expected state of an active subscription.

Question 17

Which command configures the remote peer when the Cisco IOS XR Traffic Controller is used?

Accepted Answer

A)  peer-sync ipv4 192.168.0.3 
B)  state ipv4 192.168.0.3 
C)  peer ipv4 192.168.0.3 
D)  state-sync ipv4 192.168.0.3 
A)  peer-sync ipv4 192.168.0.3 
B)  state ipv4 192.168.0.3 
C)  peer ipv4 192.168.0.3 
D)  state-sync ipv4 192.168.0.3

Question 18

Refer to the exhibit. Based on the YANG presented, what is the correct xpath to retrieve the router named "ios-device" under the "CustomerA" service name?

Accepted Answer

A)  /ncs:abc_service/CustomerA/ios-device 
B)  /abc_service/CustomerA/"ios-device" 
C)  /ncs:service/abc_service/"CustomerA"/ios-device 
D)  /ncs:services/abc_service/CustomerA/ios-device 
A)  /ncs:abc_service/CustomerA/ios-device 
B)  /abc_service/CustomerA/"ios-device" 
C)  /ncs:service/abc_service/"CustomerA"/ios-device 
D)  /ncs:services/abc_service/CustomerA/ios-device

Question 19

Which two operations must be used to allow a network engineer to use NETCONF to configure and manage networking devices? (Choose two.)

Accepted Answer

A) B) C) D) E) A) B) C) D) E)

Question 20

What are two characteristics of the NFV architecture approach? (Choose two.)

Accepted Answer

A)  It decouples the network functions from proprietary hardware appliances. 
B)  It provides 70% more efficiency of network infrastructure. 
C)  It is specially designed for Internet providers. 
D)  It is specially designed for telecommunications service providers. 
E)  It typically includes a hypervisor. 
A)  It decouples the network functions from proprietary hardware appliances. 
B)  It provides 70% more efficiency of network infrastructure. 
C)  It is specially designed for Internet providers. 
D)  It is specially designed for telecommunications service providers. 
E)  It typically includes a hypervisor.

Exam 16: Designing Cisco Data Center Infrastructure (DCID)

What is an interior YANG data node that exists in at most one instance in the data tree and has no value?

Which data format should be used to serialize structured data in the most compact way?

An engineer is deploying a Python script to manage network devices through SSH. Which library based on Paramiko is used?

Which option is the appropriate method for CBWFQ WRED implementation in Cisco IOS XR?

Which NETCONF datastore is locked while the network device configuration is edited?

Refer to the exhibit. An engineer updated the skeleton template. How can a device be entered into the YANG Model?

Which Cisco IOS XR command should be used in order to enable LDP on all interfaces for which the IGP protocol is enabled?

Refer to the exhibit. Which XML output is a valid instantiation of the YANG model?

Refer to the exhibit. Which command prints out (44, 22) when this code is run on Python 3?

Refer to the exhibit. Which HTTP authentication mechanism is being used?

Refer to the exhibit. What must be added after the last line of the Ansible playbook to check if the output contains "IOS-XR"?

When implementing MPLS DS-TE on Cisco IOS XR routers, all aggregate Cisco MPLS TE traffic is mapped to which class type by default?

What is a primary difference between QoS operations on IOS and IOS XR?

Referring to the Cisco IOS XR configuration exhibit, which labels will be advertised by the router with this configuration?

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?

Refer to the exhibit. What is the cause of the status of the interface subscription?

Which command configures the remote peer when the Cisco IOS XR Traffic Controller is used?

Refer to the exhibit. Based on the YANG presented, what is the correct xpath to retrieve the router named "ios-device" under the "CustomerA" service name?

Which two operations must be used to allow a network engineer to use NETCONF to configure and manage networking devices? (Choose two.)

What are two characteristics of the NFV architecture approach? (Choose two.)

Supporting Cisco Data Center System Devices (DCTECH)

Cisco Certified Technician Routing & Switching (RSTECH)

Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS)

Cisco Certified Network Associate (CCNA)

Managing Industrial Networks with Cisco Networking Technologies (IMINS)

DevNet Associate (DEVASC)

Conducting Forensic Analysis and Incident Response Using Cisco CyberOps Technologies (CBRFIR)

Implementing Cisco Enterprise Advanced Routing and Services (ENARSI)

Implementing Cisco SD-WAN Solutions (ENSDWI)

Designing Cisco Enterprise Networks (ENSLD)

Designing Cisco Enterprise Wireless Networks (300-425 ENWLSD)

Implementing Cisco Enterprise Wireless Networks (300-430 ENWLSI)

Automating Cisco Enterprise Solutions (ENAUTO)

Implementing Cisco Service Provider Advanced Routing Solutions (SPRI)

Implementing Cisco Service Provider VPN Services (SPVI)

Troubleshooting Cisco Data Center Infrastructure (DCIT)

Implementing Cisco Application Centric Infrastructure (DCACI)

Configuring Cisco MDS 9000 Series Switches (DCSAN)

Implementing Cisco Application Centric Infrastructure - Advanced

Automating Cisco Data Center Solutions (DCAUTO)

Securing Networks with Cisco Firepower (300-710 SNCF)

Implementing and Configuring Cisco Identity Services Engine (300-715 SISE)

Securing Email with Cisco Email Security Appliance (300-720 SESA)

Securing the Web with Cisco Web Security Appliance (300-725 SWSA)

Implementing Secure Solutions with Virtual Private Networks (SVPN 300-730)

Automating Cisco Security Solutions (SAUTO)

Implementing Cisco Collaboration Applications (CLICA)

Implementing Cisco Advanced Call Control and Mobility Services (CLASSM)

Implementing Cisco Collaboration Cloud and Edge Solutions

Implementing Cisco Collaboration Conferencing

Automating Cisco Collaboration Solutions (CLAUTO)

Implementing DevOps Solutions and Practices using Cisco Platforms (DEVOPS)

Developing Solutions Using Cisco IoT and Edge Platforms (DEVIOT)

Developing Applications for Cisco Webex and Webex Devices (DEVWBX)

Performing CyberOps Using Core Security Technologies (CBRCOR)

Implementing Cisco Enterprise Network Core Technologies (ENCOR)

Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR)

Implementing and Operating Cisco Data Center Core Technologies (DCCOR)

Implementing and Operating Cisco Security Core Technologies

Implementing Cisco Collaboration Core Technologies (CLCOR)

Developing Applications using Cisco Core Platforms and APIs (DEVCOR)

CCDE Design Written

Deploying Cisco Unified Contact Center Express

Cisco Meraki Solutions Specialist

Securing Cisco Networks with Sourcefire FireAMP Endpoints

Designing Cisco Unified Contact Center Enterprise (UCCED)

Implementing and Supporting Cisco Unified Contact Center Enterprise (UCCEIS)

Cisco Collaboration SaaS Authorization Exam

Cisco Security Architecture for System Engineers

Adopting The Cisco Business Architecture Approach (DTBAA)

Cisco Customer Success Manager (CSM)

Mastering The Cisco Business Architecture Discipline (DTBAD)

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