QUESTION 21
What is the purpose of RSVP in an MPLS network?

A. supporting CAC with QoS max CIR values
B. reserving sufficient bandwidth to support the data transfer SLA
C. providing deep packet classification
D. providing LFA capabilities for data traffic on segment routing enabled networks

Correct Answer: B

QUESTION 22
How does TI-LFA reduce packet loss in segment routing?

A. It establishes multiple labels per path using more than one IGP
B. It determines which fink to use when load balancing to prevent packet fragmentation loss.
C. It enables path selection in SR-TE to support MPLS label allocation.
D. It calculates loop-free backup paths that are rapidly implemented in case of a link failure

Correct Answer: D

QUESTION 23
What is one of the main functions of 6RD?

A. It provides native reachability between IPv4-only hosts and 6RD-enabled IPv6 hosts
B. It provides stateful session translation with the 2002::/16 prefix.
C. It translates RFC 1918 IP addresses into public IP addresses.
D. It allows customers IPv6 traffic to be tunneled over IPv4 network infrastructure

Correct Answer: D

QUESTION 24
What is the primary purpose of Terraform in the network?

A. to facilitate the integration of Cisco networking solutions with cloud platforms to improve scalability
B. to schedule and manage maintenance tasks on Cisco network devices to minimize errors and downtime
C. to manage the Cisco network infrastructure as code to ensure consistent configuration and scalability
D. to enable the seamless migration of Cisco network configurations between diverse network environments

Correct Answer: C

QUESTION 25
What is the primary capability of Inter-AS VPN?

A. providing end-to-end VPN services across multiple service-provider networks
B. providing end-to-end encryption for traffic passing through multiple AS networks
C. providing multicast support between different service-provider networks
D. providing load balancing across multiple AS networks in the same VPN service

Correct Answer: A

QUESTION 26
Under which circumstance does BGP ignore the best-path algorithm after receiving multiple routes to a destination?

A. when the route’s first hop has a different AS number
B. when the route’s next hop is unreachable
C. when the routes are synchronized
D. when the routes have local-preference values less than 100

Correct Answer: B

QUESTION 27
How do PE routers operate with the MDT in a multicast VPN?

A. The default MDT uses PIM sparse mode and PIM establishes adjacency over the shortest path tree toward the destination PE router.
B. When the source PE router establishes adjacency using PIM SM mode in the default MDT, the receiving PE requests information about the source PE for BGP advertisement.
C. After the default MDT and BGP VPNV4 neighbor is configured, a different PE neighbor in the IPv6 MDT address family is configured automatically for migrating to MDT SAFI.
D. When the sending PE router recognizes that multicast data has exceeded the bandwidth threshold, it creates a data MDT and sends a UDP message to all routers using the default MDT.

Correct Answer: D

QUESTION 28
What is the primary purpose of RESTCONF when used with Cisco devices?

A. to provide a standardized RESTful API for device configuration and management
B. to provide load-balancing and traffic optimization in data center networks through RESTful API services
C. to provide encrypted access to SNMP data on Cisco devices
D. to route and switch network traffic between devices

Correct Answer: A

QUESTION 29
What is the primary purpose of containers in a service-provider virtualization environment?

A. to improve the redundancy of network components
B. to provide an isolated environment for applications and services
C. to enable secure communication between individual network devices
D. to simplify the integration of various hardware components

Correct Answer: B

QUESTION 30
What are two purposes of a data-modeling language such as YANG? (Choose two.)

A. modeling notifications, data configuration, and data status
B. defining API calls, JSON format, and XML structure
C. defining a hierarchical data scheme
D. defining a relational-model data scheme
E. defining a semi-structured data scheme

Correct Answer: AC

QUESTION 31
Which capability does RSVP provide in an MPLS network?

A. supporting interoperability between IntServ and DiffServ architecture models
B. reserving bandwidth for multicast flows
C. signaling a primary path for LSP tunnels
D. reserving up to 75% of interface bandwidth by default

Correct Answer: B

QUESTION 32
What is a key capability of EVPN?

A. establishing IPv6 overlay networks over IPv4 networks
B. supporting multitenancy for Layer 2 and Layer 3 VPN services
C. enabling real-time voice and video traffic optimization
D. providing built-in support for native integration with third-party cloud platforms

Correct Answer: B

QUESTION 33
After recent network outages and customer complaints, a large Tier 1 service provider has asked a network engineer to implement MPLS OAM policy on all Provider Edge devices in the MPLS network. To improve network performance and reliability, the policy must be able to detect 2% packet drops and a delay of 0.05 seconds. The solution must be based on RFC 6374 and RFC 4379 standards for MPLS OAM. The CCM to detect connectivity issues has already been configured with interval 1000. Which two actions must the engineer take to achieve the goal? (Choose two.)

A. Implement mpis ip oam map-policy on the PE routers.
B. Set loopback delay-frequency 50 and drop-threshold 0.2 on the PE routers.
C. Implement mpls oam policy oam on the PE routers.
D. Set loss-threshold 2 and delay-threshold 50 on the P routers.
E. Implement mpls Idp tracing on the PE and P routers.

Correct Answer: AD

QUESTION 34
R1 serves as a route reflector on a BGP-enabled network and has dual RPs installed. To ensure that all routes have been processed when an RP fails over, R1 must send the router request to all peers configured with NSR to refresh the route database. Which action completes the implementation?

A. Implement bp fast-external-failover under the BGP IPv4 address-family configuration.
B. Enable bgp sso route-refresh-enable in the global BGP configuration.
C. Enable bp ietf rp route-update in the global router configuration.
D. Implement bgp consistency-checker auto-repair under the Cisco Express Forwarding configuration.

Correct Answer: B

QUESTION 35
Company_A is implementing VoIP services across the company. The network architect designed a QoS policy to allow only specific IP subnets and mark the signaling flow with DSCP 36 The solution should be as secure as possible. Phones receive their IP addresses from the 172.184.12.0/24 pool and are assigned by the RADIUS server to VLAN 1021. Skinny Client Control Protocol is used as a signaling protocol in the network. For security reasons, switchport port-security maximum 1 vlan voice has been preconfigured on the switch side. Which two tasks must an engineer perform on SW_1 to achieve this goal? (Choose two.)

A. Implement a class map with the set dscp af43 command.
B. Implement a class map with the set dsep af42 command.
C. Implement an ACL with the set dscp af41 command.
D. Implement an ACL with the permit udp 172.184.12.0 0 0.0.0.255 any range 2000 2002 command.
E. Implement an ACL with the permit tcp any 10.124.121.0 0 0.0.0.255 range 16384 32767 command.

Correct Answer: BD

QUESTION 36
What is the primary purpose of NAT64?

A. allow an IPv6-addressed device to communicate with an IPv4-addressed device
B. allow IPv4-addressed and IPv6-addressed devices to access cloud services using a VPN tunnel
C. allow IPv4-addressed and IPv6-addressed devices to communicate with each other only if they exist within the same geographic location
D. allow an IPv4-addressed device to access the internet using an IPv6 address

Correct Answer: A

QUESTION 37
An organization with big data requirements is implementing NETCONF as part of its migration to a new cloud-based environment. The organization has multiple offices across widespread geography. A network engineer is configuring NETCONF on one of the border routers. Which configuration must the engineer apply to save the running configuration?

A. logging history debugging
logging snmp-trap emergencies
logging snmp-trap alerts
logging snmp-trap critical
logging snmp-trap errors
logging snmp-trap warnings
logging snmp-trap notifications
logging snmp-trap informational
logging snmp-trap debugging
B. <?xml version=”1.0″ encoding=”utf-8″?>
<rpc xmins=”urn:ietf:params:xml:ns:netconf:base:1.0’message-id=””>
<cisco-ia:save-config xmins:cisco-ia=”http://cisco.com/yang/cisco-ia”/>
</rpc>
C. <?xml version=”1.0″ encoding=”utf-8″?>
<rpc xmins=”urn:ietf:params:xml:ns:netconf:base:1.0″message-id=’’’’>
<edit-config>
<target>
<running/>
</target>
<config>
D. snmp-server community public RW
snmp-server trap link ietf
snmp-server enable traps snmp authentication linkdown linkup
snmp-server enable traps syslog
snmp-server manager

Correct Answer: B

QUESTION 38
Why should a network architect implement BGP EVPN in the network?

A. It allows VMs to remain stationary within a server to prevent potential application degradation.
B. It allows MAC and IP information to be shared over the VPN, enabling Layer 2 and Layer 3 traffic.
C. It allows VPN traffic to traverse the service provider core using only Layer 2, without a Layer 3 connection end to end.
D. It allows the network to route traffic correctly without knowing the location of the end host.

Correct Answer: C

QUESTION 39
What is the purpose of the origin code in the BGP path selection algorithm?

A. It indicates how the route was originated.
B. It specifies the time for which the path has been in the BGP routing table.
C. It indicates how the route was injected into the BGP process.
D. It specifies the router ID that originated the route

Correct Answer: A

QUESTION 40
How do CSC VPN services use BGP to support connectivity between customer sites?

A. BGP sends labels to the CSC-PE router so that traffic can traverse the backbone carrier.
B. BGP uses address families for IPv6 support in networks that use IPv4 and IPv6 between customers in different geographies.
C. BGP eliminates the need for an IGP to run within the backbone carrier core and provides more efficient label distribution.
D. The BGP AS-Override feature allows the CSC network to use the same autonomous system number.

Correct Answer: A