Question

Which of the following relate to IPv4 link-local addresses? (Select 3 answers)

a. FE80::/10
b. Non-routable IP address
c. Public IP address
d. APIPA address
e. 169.254.0.0/16
f. Routable IP address

Answer 1

IPv4 link-local addresses are non-routable IP addresses used within a single network. They are referred to as APIPA addresses when assigned automatically by Windows systems, and they fall within the 169.254.0.0/16 address range.

Step-by-step explanation:

The question pertains to IPv4 link-local addresses, which are used in situations where a device cannot obtain an IP address from a DHCP server. The correct answers are:

• Non-routable IP address: Link-local addresses are designed to be used for communication within a single network segment and are not routable across multiple networks.
• APIPA address: The Automatic Private IP Addressing (APIPA) is a feature of Windows operating systems that assigns a random IP address from the special link-local range 169.254.0.0/16 when a DHCP server is not available.
• 169.254.0.0/16: This is the designated address range for link-local addresses in IPv4. Any address within this range is automatically a link-local address.

Options a. FE80::/10 and f. Routable IP address do not apply to IPv4 link-local addresses; FE80::/10 pertains to IPv6, and link-local addresses are not routable. Option c. Public IP address is also incorrect because link-local addresses are by definition private and non-routable.