Question 1

Which task must be performed first to implement BFD in an IS-IS environment?

Accepted Answer

A)  Configure BFD in an interface configuration mode. 
B)  Disable Cisco Express Forwarding on all interfaces running routing protocols other than IS-IS. 
C)  Configure all IS-IS routers as Level 2 devices. 
D)  Configure BFD under the IS-IS process. 
A)  Configure BFD in an interface configuration mode. 
B)  Disable Cisco Express Forwarding on all interfaces running routing protocols other than IS-IS. 
C)  Configure all IS-IS routers as Level 2 devices. 
D)  Configure BFD under the IS-IS process.

Question 2

Refer to the exhibit. If the NetFlow configuration is updated to version 9, which additional piece of information can be reported?

Accepted Answer

A)  IPv4 flow information 
B)  BGP AS information 
C)  IPv6 flow information 
D)  flow sequence numbers 
A)  IPv4 flow information 
B)  BGP AS information 
C)  IPv6 flow information 
D)  flow sequence numbers

Question 3

An engineer working for telecommunication company needs to secure the LAN network using a prefix list. Which best practice should the engineer follow when he implements a prefix list?

Accepted Answer

A)  An engineer must identify the prefix list with a number only. 
B)  The final entry in a prefix list must be /32. 
C)  An engineer must include only the prefixes for which he needs to log activity. 
D)  An engineer must use nonsequential sequence numbers in the prefix list so that he can insert additional entries later. 
A)  An engineer must identify the prefix list with a number only. 
B)  The final entry in a prefix list must be /32. 
C)  An engineer must include only the prefixes for which he needs to log activity. 
D)  An engineer must use nonsequential sequence numbers in the prefix list so that he can insert additional entries later.

Question 4

Which statement about segment routing prefix segments is true?

Accepted Answer

A)  It is the longest path to a node. 
B)  It is linked to an adjacency SID that is globally unique within the router. 
C)  It is linked to a prefix SID that is globally unique within segment routing domain. 
D)  It requires using EIGRP to operate. 
A)  It is the longest path to a node. 
B)  It is linked to an adjacency SID that is globally unique within the router. 
C)  It is linked to a prefix SID that is globally unique within segment routing domain. 
D)  It requires using EIGRP to operate.

Question 5

Refer to the exhibit. What does the REST API command do?

Accepted Answer

A)  It removes the information identified by Descriptions.xml. 
B)  It executes the information specified in Descriptions.xml. 
C)  It retrieves the information requested by Descriptions.xml. 
D)  It displays the information identified by Descriptions.xml. 
A)  It removes the information identified by Descriptions.xml. 
B)  It executes the information specified in Descriptions.xml. 
C)  It retrieves the information requested by Descriptions.xml. 
D)  It displays the information identified by Descriptions.xml.

Question 6

Refer to the exhibit. Router 4 is added to the network and must be in the same area as router 1. Which NET should the engineer assign?

Accepted Answer

A)  49.0111.0000.0000.0001.00 
B)  49.0001.0000.0000.0004.00 
C)  49.0011.0000.0000.0002.00 
D)  49.0011.0000.0000.0003.00 
A)  49.0111.0000.0000.0001.00 
B)  49.0001.0000.0000.0004.00 
C)  49.0011.0000.0000.0002.00 
D)  49.0011.0000.0000.0003.00

Question 7

Which two IS-IS parameters must match before two Level 2 peers can form an adjacency? (Choose two.)

Accepted Answer

A)  hello timer setting 
B)  authentication settings 
C)  area ID 
D)  system ID 
E)  MTU 
A)  hello timer setting 
B)  authentication settings 
C)  area ID 
D)  system ID 
E)  MTU

Question 8

Which regular expression query modifier function indicates the start of a string?

Accepted Answer

A)  + 
B)  ^ 
C)  $ 
D)  [^] 
A)  + 
B)  ^ 
C)  $ 
D)  [^]

Question 9

Refer to the exhibit. A network operator working for service provider with an employee id: 1234:56:789 applied this configuration to a router. Which additional step should the engineer use to enable LDP?

Accepted Answer

A)  Enable MPLS LDP on the interface. 
B)  Disable Cisco Express Forwarding globally. 
C)  Delete the static router ID. 
D)  Configure the both keyword to enable LDP globally. Configure the both keyword to enable LDP globally. 
A)  Enable MPLS LDP on the interface. 
B)  Disable Cisco Express Forwarding globally. 
C)  Delete the static router ID. 
D)  Configure the both keyword to enable LDP globally. Configure the both keyword to enable LDP globally.

Question 10

What is the characteristic of the TI-LFA?

Accepted Answer

A)  It guarantees a loop-free path for all areas configured in OSPF 
B)  It guarantees a loop-free path for all interfaces in the OSPF super backbone 
C)  It applies only on the instance and makes all the interfaces inherit the configuration 
D)  It applies on the area and instance and makes all the interfaces inherit the configuration 
A)  It guarantees a loop-free path for all areas configured in OSPF 
B)  It guarantees a loop-free path for all interfaces in the OSPF super backbone 
C)  It applies only on the instance and makes all the interfaces inherit the configuration 
D)  It applies on the area and instance and makes all the interfaces inherit the configuration

Question 11

How does model-driven telemetry use YANG?

Accepted Answer

A)  to poll network devices on a 30-minute interval 
B)  to set informs and traps on clients to report back to a centralized server 
C)  to subscribe to data that is streamed from a device 
D)  to reset network devices that malfunction 
A)  to poll network devices on a 30-minute interval 
B)  to set informs and traps on clients to report back to a centralized server 
C)  to subscribe to data that is streamed from a device 
D)  to reset network devices that malfunction

Question 12

Refer to the exhibit. What is the URL used for with REST API?

Accepted Answer

A)  It is used to initiate an FTP session to save a running configuration of a device. 
B)  It is used to send a message to the APIC to perform an operation on a managed object or class operator. 
C)  It is used to contact a URL filter to determine the efficacy of a web address. 
D)  It is used to send a TACACS + authentication request to a server. 
A)  It is used to initiate an FTP session to save a running configuration of a device. 
B)  It is used to send a message to the APIC to perform an operation on a managed object or class operator. 
C)  It is used to contact a URL filter to determine the efficacy of a web address. 
D)  It is used to send a TACACS + authentication request to a server.

Question 13

Refer to the exhibit. Router 1 was experiencing a DDoS attack that was traced to interface gigabitethernet0/1. Which statement about this configuration is true?

Accepted Answer

A)  Router 1 accepts all traffic that ingresses and egresses interface gigabitethernet0/1. 
B)  Router 1 drops all traffic that ingresses interface gigabitethernet0/1 that has a FIB entry that exits a different interface. 
C)  Router 1 accepts source addresses that have a match in the FIB that indicates it is reachable through a real interface. 
D)  Router 1 accepts source addresses on interface gigabitethernet0/1 that are private addresses. 
A)  Router 1 accepts all traffic that ingresses and egresses interface gigabitethernet0/1. 
B)  Router 1 drops all traffic that ingresses interface gigabitethernet0/1 that has a FIB entry that exits a different interface. 
C)  Router 1 accepts source addresses that have a match in the FIB that indicates it is reachable through a real interface. 
D)  Router 1 accepts source addresses on interface gigabitethernet0/1 that are private addresses.

Question 14

Refer to the exhibit. Which condition must be met by the OSPF peer of router R1 before the two devices can establish communication?

Accepted Answer

A)  The OSPF peer must use clear-text authentication. 
B)  The OSPF peer must be configured as an OSPF stub router. 
C)  The interface on the OSPF peer may have a different key ID, but it must use the same key value as the configured interface. 
D)  The interface on the OSPF peer must use the same key ID and key value as the configured interface. 
A)  The OSPF peer must use clear-text authentication. 
B)  The OSPF peer must be configured as an OSPF stub router. 
C)  The interface on the OSPF peer may have a different key ID, but it must use the same key value as the configured interface. 
D)  The interface on the OSPF peer must use the same key ID and key value as the configured interface.

Question 15

Which additional feature does MPLS DiffServ tunneling support?

Accepted Answer

A)  matching EXP and DSCP values 
B)  PHB layer management 
C)  using GRE tunnels to hide markings 
D)  interaction between MPLS and IGP 
A)  matching EXP and DSCP values 
B)  PHB layer management 
C)  using GRE tunnels to hide markings 
D)  interaction between MPLS and IGP

Question 16

Refer to the exhibit. Which two statements about the IS-IS topology are true? (Choose two.)

Accepted Answer

A)  R1 and R4 are Level 2 neighbors. 
B)  All four routers are operating as Level 1-2 routers. 
C)  All four routers are operating as Level 2 routers only. 
D)  All four routers are operating as Level 1 routers only. 
E)  R1 and R2 are Level 2 neighbors. 
A)  R1 and R4 are Level 2 neighbors. 
B)  All four routers are operating as Level 1-2 routers. 
C)  All four routers are operating as Level 2 routers only. 
D)  All four routers are operating as Level 1 routers only. 
E)  R1 and R2 are Level 2 neighbors.

Question 17

Refer to the exhibit. A network operator recently configured BGP FlowSpec for the internal IT network. What will be inferred from the configuration deployed on the network?

Accepted Answer

A)  The policy is configured locally on CSR1 and drops all traffic for TCP ports 80 and 443 
B)  The policy is configured locally on CSR1 and currently has no active traffic 
C)  The policy is learned via BGP FlowSpec and drops all traffic for TCP ports 80 and 443 
D)  The policy is learned via BGP FlowSpec and has active traffic 
A)  The policy is configured locally on CSR1 and drops all traffic for TCP ports 80 and 443 
B)  The policy is configured locally on CSR1 and currently has no active traffic 
C)  The policy is learned via BGP FlowSpec and drops all traffic for TCP ports 80 and 443 
D)  The policy is learned via BGP FlowSpec and has active traffic

Question 18

Which utility can you use to locate MPLS faults?

Accepted Answer

A)  MPLS LSP ping 
B)  QoS 
C)  MPLS traceroute 
D)  EEM 
A)  MPLS LSP ping 
B)  QoS 
C)  MPLS traceroute 
D)  EEM

Question 19

Refer to the exhibit. An engineer is preparing to implement data plane security configuration. Which statement about this configuration is true?

Accepted Answer

A)  Router 1 and Router 2 advertise the route to 192.0.2.0 to all BGP peers. 
B)  All traffic to 192.168.1.0/24 is dropped. 
C)  All traffic is dropped. 
D)  Router 1 drops all traffic with a local-preference set to 150. 
A)  Router 1 and Router 2 advertise the route to 192.0.2.0 to all BGP peers. 
B)  All traffic to 192.168.1.0/24 is dropped. 
C)  All traffic is dropped. 
D)  Router 1 drops all traffic with a local-preference set to 150.

Question 20

Refer to the exhibit. A network engineer is implementing QoS services. Which two statements about the qos-group keyword on Cisco IOS XR are true? (Choose two.)

Accepted Answer

A)  It marks packets for end-to-end QoS policy enforcement across the network. 
B)  QoS group marking occurs on the ingress. 
C)  The QoS group numbering corresponds to priority level. 
D)  QoS group can be used in fabric QoS policy as match criteria. 
E)  It cannot be used with priority traffic class. 
A)  It marks packets for end-to-end QoS policy enforcement across the network. 
B)  QoS group marking occurs on the ingress. 
C)  The QoS group numbering corresponds to priority level. 
D)  QoS group can be used in fabric QoS policy as match criteria. 
E)  It cannot be used with priority traffic class.

Exam 39: Implementing and Operating Cisco Data Center Core Technologies (DCCOR)

Which task must be performed first to implement BFD in an IS-IS environment?

Refer to the exhibit. If the NetFlow configuration is updated to version 9, which additional piece of information can be reported?

An engineer working for telecommunication company needs to secure the LAN network using a prefix list. Which best practice should the engineer follow when he implements a prefix list?

Which statement about segment routing prefix segments is true?

Refer to the exhibit. What does the REST API command do?

Refer to the exhibit. Router 4 is added to the network and must be in the same area as router 1. Which NET should the engineer assign?

Which two IS-IS parameters must match before two Level 2 peers can form an adjacency? (Choose two.)

Which regular expression query modifier function indicates the start of a string?

Refer to the exhibit. A network operator working for service provider with an employee id: 1234:56:789 applied this configuration to a router. Which additional step should the engineer use to enable LDP?

What is the characteristic of the TI-LFA?

How does model-driven telemetry use YANG?

Refer to the exhibit. What is the URL used for with REST API?

Refer to the exhibit. Router 1 was experiencing a DDoS attack that was traced to interface gigabitethernet0/1. Which statement about this configuration is true?

Refer to the exhibit. Which condition must be met by the OSPF peer of router R1 before the two devices can establish communication?

Which additional feature does MPLS DiffServ tunneling support?

Refer to the exhibit. Which two statements about the IS-IS topology are true? (Choose two.)

Refer to the exhibit. A network operator recently configured BGP FlowSpec for the internal IT network. What will be inferred from the configuration deployed on the network?

Which utility can you use to locate MPLS faults?

Refer to the exhibit. An engineer is preparing to implement data plane security configuration. Which statement about this configuration is true?

Refer to the exhibit. A network engineer is implementing QoS services. Which two statements about the qos-group keyword on Cisco IOS XR are true? (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)

Designing Cisco Data Center Infrastructure (DCID)

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 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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