MPLS
MPLS (Multi-Protocol Label Switching) is a way to direct data traffic in computer networks, similar to how express lanes work on a highway. Instead of checking detailed address information at every stop, MPLS uses simple labels to quickly move data through the network. Companies use this technology because it's faster and more reliable than traditional networking, especially for services like voice calls, video conferencing, and cloud applications. Think of it as a premium delivery service for network data, where packages (data) get special tags that help them reach their destination more efficiently.
Examples in Resumes
Designed and implemented MPLS networks across 20 office locations
Managed MPLS and MPLS-VPN services for enterprise customers
Reduced network downtime by 40% through MPLS implementation
Typical job title: "Network Engineers"
Also try searching for:
Where to Find Network Engineers
Online Communities
Professional Networks
Industry Events
Example Interview Questions
Senior Level Questions
Q: How would you design an MPLS network for a company with multiple locations?
Expected Answer: A senior engineer should explain how they would assess business needs, plan for redundancy, consider bandwidth requirements, and implement quality of service measures. They should mention experience with different carriers and cost considerations.
Q: How would you troubleshoot MPLS connectivity issues?
Expected Answer: Should describe a systematic approach to identifying problems, including checking label distribution, verifying routing protocols, and testing end-to-end connectivity. Should mention experience with monitoring tools and carrier coordination.
Mid Level Questions
Q: What are the benefits of MPLS over traditional routing?
Expected Answer: Should explain how MPLS improves network performance, enables better traffic management, and supports different types of services like voice and video. Should be able to give real-world examples.
Q: Explain how you would set up quality of service in an MPLS network.
Expected Answer: Should describe how to prioritize different types of traffic (voice, video, data), configure traffic policies, and ensure critical applications get proper bandwidth.
Junior Level Questions
Q: What is MPLS and what is it used for?
Expected Answer: Should be able to explain that MPLS is a network technology that uses labels to forward data packets efficiently and describe basic uses like connecting office locations.
Q: What are the basic components of an MPLS network?
Expected Answer: Should identify core components like label edge routers, label switching routers, and explain their basic functions in simple terms.
Experience Level Indicators
Junior (0-2 years)
- Basic understanding of MPLS concepts
- Network monitoring and basic troubleshooting
- Understanding of IP networking
- Basic router and switch configuration
Mid (2-5 years)
- MPLS configuration and deployment
- Traffic engineering and QoS implementation
- Troubleshooting complex network issues
- Working with service providers
Senior (5+ years)
- MPLS network design and architecture
- Large-scale implementation experience
- Advanced troubleshooting and optimization
- Project management and team leadership
Red Flags to Watch For
- No understanding of basic networking concepts
- Lack of troubleshooting experience
- No knowledge of quality of service principles
- Unable to explain MPLS benefits in business terms
Need more hiring wisdom? Check these out...
Unlocking Team Potential: Personality Mapping for Dynamic Management
Lost in Translation? How a Hybrid Mentorship Database Bridges Cross-Regional Talent
Micro-Internships: The Game-Changer in Project-Based Learning
