200-301 · Question #705
which type of IP address of ipv6 that also exist in IPv4 but barely used?
The correct answer is C. anycast. Anycast is a type of IP address assignment where a single IP address can be assigned to multiple interfaces, and packets addressed to it are delivered to the "nearest" interface according to routing protocols. While theoretically present in IPv4, it is rarely implemented or used,
Question
Options
- Aunicast
- Bmulticast
- Canycast
- Dbroadcast
How the community answered
(44 responses)- A7% (3)
- B2% (1)
- C89% (39)
- D2% (1)
Why each option
Anycast is a type of IP address assignment where a single IP address can be assigned to multiple interfaces, and packets addressed to it are delivered to the "nearest" interface according to routing protocols. While theoretically present in IPv4, it is rarely implemented or used, but it is a fundamental part of IPv6.
Unicast addresses are very commonly used in both IPv4 and IPv6 for one-to-one communication.
Multicast addresses are widely used in both IPv4 and IPv6 for one-to-many communication.
Anycast addressing exists in both IPv4 and IPv6, but it is much more commonly and formally implemented in IPv6 for services like DNS, where a client connects to the nearest server. Its use in IPv4 is niche and not standardized in the same way.
Broadcast addresses are commonly used in IPv4 for one-to-all communication within a segment, but they do not exist in IPv6.
Concept tested: IPv4/IPv6 address types (Anycast)
Source: https://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/ipv6-deployment/whitepaper_c11-508545.html
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