What technique allows both IPv4 and IPv6 to run at the same time on a router?

Question

Options

• AIPv4 tunnelling
• BDual Stack
• CIPv6 Tunneling
• DIPv6 .....

• A
  3% (1)
• B
  87% (34)
• C
  8% (3)
• D
  3% (1)

Explanation

Dual Stack (B) is the IPv6 transition mechanism where a network device simultaneously runs both a full IPv4 protocol stack and a full IPv6 protocol stack. This allows the router to natively communicate with both IPv4-only and IPv6-only devices without requiring any translation or tunneling. Each interface can be assigned both an IPv4 and an IPv6 address. Dual stack is the preferred long-term coexistence mechanism because it avoids the complexity and overhead of tunneling or translation. IPv4 Tunneling (A) encapsulates IPv6 packets inside IPv4 - it does not allow both to run natively simultaneously. IPv6 Tunneling (C) encapsulates IPv4 inside IPv6, also not a simultaneous native operation. Dual stack is the fundamental answer to running both protocols concurrently.

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