For a small office/home office, broadband cable is the most realistic WAN access technology in the answer set. SOHO designs prioritize cost, availability, ease of installation, and adequate Internet access for a small number of users. Broadband cable and similar consumer or business broadband services fit that model. Frame Relay and ISDN are legacy WAN technologies and are not preferred for a modern SOHO architecture. A dedicated leased line can work, but it is expensive and excessive for most small office requirements. Cisco CCNA 200-301 v1.1 includes SOHO, WAN, and cloud/on-premises topology recognition under Network Fundamentals. The exam is testing design fit, not theoretical maximum control. Broadband access gives the site shared Internet connectivity without the cost and provisioning burden of carrier private circuits. The preferred WAN access technology for this use case is broadband cable access.
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