QuestionQ144
Network DesignCompany XYZ is determining which WAN transport mechanism(s) to use. Its two primary requirements are:
- a technology that can provide DPI, SLA, secure tunnels, privacy, QoS, scalability, reliability, and simple management
- a cost-effective technology
Which WAN technology(ies) should be included in Company XYZ’s design?
- A Both technologies should be used. Each should be used to back up the other one; where the primary links are MPLS, the Internet should be used as a backup link with IPsec (and vice versa).
- B MPLS meets all these requirements and it is more reliable than using the Internet. It is widely used with clearly defined best practices and an industry standard.
- C Software-defined WAN should be the preferred choice because it complements both technologies, covers all the required features, and it is the most cost- effective solution.
- D Internet should be the preferred option because it is cost effective and supports BFD, IP SLA, and IPsec for secure transport over the public Internet.
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