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350-501 · Question #602

Refer to the exhibit. The network is running OSPF, and access to the internet is provided through RF. User traffic is growing, and the engineering team wants to mitigate the future potential for…

The correct answer is A. Implement MPLS and install a Cisco MPLS TE tunnel to route high-priority traffic via a preferred. To mitigate congestion from growing server traffic and maintain better network performance, implementing MPLS Traffic Engineering (TE) tunnels allows for explicitly routing high-priority traffic along preferred or less congested paths.

MPLS and Segment Routing

Question

Refer to the exhibit. The network is running OSPF, and access to the internet is provided through RF. User traffic is growing, and the engineering team wants to mitigate the future potential for congestion when the servers are experiencing heavy use. Which action must the team take to maintain better network performance?

Exhibit

350-501 question #602 exhibit

Options

  • AImplement MPLS and install a Cisco MPLS TE tunnel to route high-priority traffic via a preferred
  • BImplement ACLs to manage traffic flowing over individual links.
  • CImplement class maps to categorize traffic and apply them to policies to manage traffic flow.
  • DImplement OSPF point-to-point links to eliminate the need for DR election and the associated

How the community answered

(49 responses)
  • A
    78% (38)
  • B
    12% (6)
  • C
    4% (2)
  • D
    6% (3)

Why each option

To mitigate congestion from growing server traffic and maintain better network performance, implementing MPLS Traffic Engineering (TE) tunnels allows for explicitly routing high-priority traffic along preferred or less congested paths.

AImplement MPLS and install a Cisco MPLS TE tunnel to route high-priority traffic via a preferredCorrect

MPLS Traffic Engineering (TE) tunnels provide explicit control over traffic paths, allowing an engineer to bypass standard IGP shortest-path routing and direct high-priority server traffic through specific, less congested, or preferred network links, thereby mitigating future congestion.

BImplement ACLs to manage traffic flowing over individual links.

ACLs are used for security filtering and access control, not for traffic engineering or directing traffic over specific paths to manage congestion.

CImplement class maps to categorize traffic and apply them to policies to manage traffic flow.

Class maps and policy maps (QoS) prioritize or shape traffic on existing links but do not change the fundamental routing path of traffic across the network to relieve congestion.

DImplement OSPF point-to-point links to eliminate the need for DR election and the associated

Implementing OSPF point-to-point links simplifies OSPF adjacency formation by eliminating DR/BDR elections but does not provide mechanisms for traffic engineering or congestion mitigation through explicit path selection.

Concept tested: MPLS Traffic Engineering for congestion management

Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_mpls/configuration/xe-16/irm-xe-16-book/irm-mpls-te-overview.html

Topics

#MPLS Traffic Engineering#Network Performance Optimization#Congestion Management#Path Control

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