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300-540 · Question #63

Refer to the exhibit. An engineer must design a solution that creates a low-latency slice based on a link latency measurement by using the MPLS performance measurement. The solution must create a secu

The correct answer is A. Segment routing. The requirements in the scenario match the capabilities of Segment Routing (SR-MPLS) combined with MPLS Performance Measurement (MPM): 1. Low-latency slice creation Segment Routing allows deterministic paths using: SR-TE (Traffic Engineering) Colored or intent-based policies Path

Data Center Interconnect (DCI)

Question

Refer to the exhibit. An engineer must design a solution that creates a low-latency slice based on a link latency measurement by using the MPLS performance measurement. The solution must create a secure slice that minimizes transport costs and meets transport SLAs beyond best effort. What must be used?

Exhibit

300-540 question #63 exhibit

Options

  • ASegment routing
  • BIPsec VPN
  • CAWS Direct Connect
  • DTransit VPC for AWS

How the community answered

(39 responses)
  • A
    82% (32)
  • B
    5% (2)
  • C
    3% (1)
  • D
    10% (4)

Explanation

The requirements in the scenario match the capabilities of Segment Routing (SR-MPLS) combined with MPLS Performance Measurement (MPM): 1. Low-latency slice creation Segment Routing allows deterministic paths using: SR-TE (Traffic Engineering) Colored or intent-based policies Path selection based on link latency, loss, bandwidth, or utilization MPLS Performance Measurement supplies real-time data such as: Round-trip delay This allows SR-TE to compute paths with minimum latency. 2. Secure slice with minimized transport cost Segment Routing supports: Slicing through SR Policies Steering encrypted traffic (IPsec/GETVPN) through specific SR tunnels Traffic separation without requiring additional MPLS LSP state in the core Optimizing transport cost via constraint-based TE 3. Transport SLA enforcement beyond best effort SR-TE + MPM provides: SLA-aware intent routing Guaranteed performance paths Automatic re-optimization if links violate latency or loss SLAs

Topics

#segment routing#MPLS performance measurement#network slicing#transport SLA

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