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Cisco

350-501 · Question #406

Refer to the exhibit. A global company plans to implement BGP at its newest location to provide connectivity to other offices. The global infrastructure of the company is a multivendor environment…

The correct answer is C. It configures BGP with neighbor 192.168.1.2 residing in AS 65514. Although the JSON script is missing, based on the correct answer, the script must configure BGP on the device, specifically establishing a peering relationship with a neighbor having the IP address 192.168.1.2 and belonging to autonomous system 65514.

Networking

Question

Refer to the exhibit. A global company plans to implement BGP at its newest location to provide connectivity to other offices. The global infrastructure of the company is a multivendor environment. An engineer must review the BGP core configurations at headquarters to determine if they can be repurposed at the new location. The engineer copied this JSON script for review. What is the effect of the script?

Exhibit

350-501 question #406 exhibit

Options

  • AIt configures BGP on the device and inserts 192.168.1.0/24 into the BGP table using the origin AS
  • BIt configures a VRF named cisconode1 and a BGP instance using the VPNv4 address family.
  • CIt configures BGP with neighbor 192.168.1.2 residing in AS 65514.
  • DIt sets the BGP router-ID to 192.168.1.2 and sets the AS of the router to 65514.

How the community answered

(40 responses)
  • B
    3% (1)
  • C
    93% (37)
  • D
    5% (2)

Why each option

Although the JSON script is missing, based on the correct answer, the script must configure BGP on the device, specifically establishing a peering relationship with a neighbor having the IP address 192.168.1.2 and belonging to autonomous system 65514.

AIt configures BGP on the device and inserts 192.168.1.0/24 into the BGP table using the origin AS

This choice describes advertising a network into BGP, which is different from configuring a BGP neighbor and its remote AS.

BIt configures a VRF named cisconode1 and a BGP instance using the VPNv4 address family.

This describes configuring a VRF and VPNv4 address family for MPLS VPNs, which is a more advanced BGP use case than simply configuring a neighbor relationship.

CIt configures BGP with neighbor 192.168.1.2 residing in AS 65514.Correct

Based on the correct answer, the provided JSON script (though missing) defines a BGP peering relationship. It specifically configures the BGP process to establish a neighbor adjacency with the IP address 192.168.1.2 and specifies that this neighbor belongs to the remote autonomous system 65514.

DIt sets the BGP router-ID to 192.168.1.2 and sets the AS of the router to 65514.

This incorrectly identifies 192.168.1.2 as the BGP router-ID and 65514 as the local AS, whereas 192.168.1.2 is specified as a neighbor's IP and 65514 as the neighbor's AS.

Concept tested: BGP neighbor configuration (remote AS)

Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/command/bgp-cr-book/bgp-b1.html#wp2273060639

Topics

#BGP#Network Configuration#JSON#Cisco IOS XR

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