A Guide on WAN Design Principles
Importance :
Understanding WAN Design Principles is essential as it allows IT professionals to effectively design and implement wide area networks, ensuring connectivity and streamlining communication across wide geographical areas for corporations. It's part of important certifications like CompTIA Network+.
What it is :
WAN (Wide Area Network) Design Principles are fundamental principles or guidelines that guide the design and implementation of a wide area network. It includes considerations of efficiency, cost, performance, reliability, security, and scalability.
How it Works :
In a WAN design, locations are interconnected using telecommunication links, allowing data exchange. Principles such as redundancy ensure the network continues to operate even if a part fails, and principles such as scalability ensure the network can grow with the organization.
Exam Tips: Answering Questions on WAN Design Principles :
1. Understand and summarise each principle in your own words.
2. Think about real-world examples of how the principles are applied.
3. Practice questions to test your understanding and application of the principles.
4. Use the process of elimination in multiple-choice questions.
5. Always read questions carefully to understand exactly what is being asked.
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WAN Design Principles practice test
WAN Design Principles involve identifying and considering key factors while designing a WAN for an organization. These factors are critical to ensuring the WAN is reliable, secure, and capable of scaling as the organization grows. Some of these principles include: 1) Redundancy: having backup systems, like alternate communication paths or backup circuits, to maintain network availability during failures. 2) Scalability: designing the WAN so that it can grow with the organization and handle future needs, like increased bandwidth or new sites. 3) Security: protecting the WAN against external and internal threats and deploying proper security measures, like firewalls and encryption. 4) QoS (Quality of Service): implementing mechanisms to prioritize critical applications and traffic types for optimal performance. 5) Cost: considering the overall finances related to the implementation, maintenance, and upgrading of the WAN infrastructure. A well-designed WAN should cater to these factors and provide a good balance between performance, cost, and future growth needs.
Time: 5 minutes Questions: 5
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CompTIA Network+ Preparation Package (2024)
- 2378 Superior-grade CompTIA Network+ practice questions.
- Accelerated Mastery: Deep dive into critical topics to fast-track your mastery.
- Unlock Effortless CompTIA Network+ preparation: 5 full exams.
- 100% Satisfaction Guaranteed: Full refund with no questions if unsatisfied.
- bonus: If you upgrade now you get upgraded access to all courses