ROC Fundamentals Practice Exam 2026 - Free Practice Questions and Study Guide

The correct answer identifies the provisioning modes available to DOCSIS 3.0 and 3.1 modems, which can handle both Internet Protocol versions: IPv4 and IPv6. Additionally, it clarifies that these modems can also operate in an alternate provisioning mode, as well as a dual-stack provisioning mode.

The dual-stack mode allows a modem to support both IPv4 and IPv6 simultaneously, accommodating networks that require compatibility with both IP versions. This mode is particularly essential as the Internet transitions from IPv4 to IPv6, ensuring that devices can communicate with each other regardless of the IP version they use.

Alternate provisioning mode can refer to methods of provisioning based on different operational environments or deployment scenarios. Acknowledging these various modes is critical for network operators to ensure compatibility and flexibility in service delivery.

The other choices do not encompass the full range of applicable provisioning modes for DOCSIS 3.0 and 3.1 modems, either omitting important modes like alternate provisioning or not fully capturing the dual-stack functionality that is a critical aspect of modern networking. Therefore, the choice that includes IPv4, IPv6, and both alternate and dual-stack modes accurately reflects the capabilities of these modems.