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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…

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…

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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